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Kristallnacht—The Night of Broken Glass On the night of November 9, 1938, Nazi Storm Troopers and German citizens launched a massive, government-coordinated attack on Jews throughout Germany. The mobs burned synagogues, destroyed businesses, ransacked Jewish homes, and brutalized the Jewish people. Kristallnacht or the...
The history of blimps dates back to the year 1783. It was in this year when the Montgolfier brothers of Annonay France sent the first hot air balloon aloft. Ever since that historic event inventors have been refining designs for steerable airships, or dirigibles - blimps. The earliest of blimp designs consisted of taki...
OU TORAHDedicated by the Jacobs and Chill Families in Memory of Harold and Pearl Jacobs Dora Bas Rivka Silver O'H Lost: Ten Tribes Hoshea, the last king of Israel (the Northern Kingdom of the Ten Tribes) reigned for nine years. He was conquered by Assyria and became a vassal state. Israel paid Assyria a yearly tribute....
King James Bible - Old Testament Author/Context The King James' Bible is an English translation of the Bible from the original languages, including Aramaic, Hebrew and Greek. The Old Testament originally existed as an oral tradition. The dates for the first written copy of this tradition are constantly debated. The wri...
Read the sentence given below: - I have a black and white cow. This sentence means that I have a cow which is partly white and partly black. But If I say ‘I have a black and a white cow’, I have two cows – one black and the other white. Hence when two or more adjectives qualify the same noun, the article is used only b...
A project of In his study of immigration to the United States, historian Maldwyn Jones referred to the phenomenon of immigration as "the most persistent and pervasive influence in [the United States'] development" (Jones 1). Jones' observation was true then and continues to be accurate today. The story of immigration t...
To reduce its dependence on fossil fuel imports, Central America has embraced alternative energy in recent decades. Non-fossil fuel resources now account for 64.9 percent of electricity capacity in the region. But the largest source of this renewable energy—hydropower—cannot only be considered clean energy. Hydropower ...
May 18, 2001 Astronomers from the United States, France, and elsewhere may have seen a snippet of the solar system's formation in reverse, while taking the first-ever detailed look inside the disintegrating heart of Comet C/1999 S4 (LINEAR) or "Comet C/LINEAR." A special collection of reports in the 18 May issue of the...
\|more useful options\| If I am off the mark, here, I trust our local computer scientists will set me straight. Quoth the Camel's glossary: Anything you can legally say in a spot where a value is required. Typically composed of literals, variables, operators, functions, and subroutine calls, not necessarily in that order...
Not long ago, geologically speaking, Costa Rica did not exist. A mere 50 million years ago, this narrow mountainous strip of land was part of the ocean floor, along with the rest of the Central American isthmus between Guatemala and Colombia. Although that may sound like a long time ago in earth's history, the dinosaur...
humidity, Encyclopædia Britannica, Inc.the amount of water vapour in the air. It is the most variable characteristic of the atmosphere and constitutes a major factor in climate and weather. A brief treatment of humidity follows. For full treatment, see climate: Atmospheric humidity and precipitation. Atmospheric water ...
Aristotle was Plato's student. Aristotle managed to be a devoted student even though he disagreed with Plato on his theories. Plato the teacher believed in Forms which he thought where prior to the physical world, and that Forms are eternal, unchanging and indivisible. Aristotle believed that the physical world was pri...
Around one year of age, the way that infants respond to different sensory stimuli (sight, touch, movement, smells, sounds) begins to look different in infants who will later be diagnosed with autism compared to those with other developmental delays or those with typical development . Specifically, infants who were late...
Multi-year Arctic ice in 2012. The bright white central mass shows the perennial sea ice. The larger light blue area shows the full extent of the winter sea ice including the average annual sea ice during the months of November, December and January. The Arctic experienced an extended period of warm temperatures about ...
Example OutputScreen capture of Google Earth map showing the locations of litter and trashcans in a park or school ground. User-generated data will differ. This chapter is designed to be used as a professional development activity for educators. It can also be used with students. It is written primarily for students in...
Center on the Social and Emotional Foundations for Early Learning Using Environmental Strategies to Promote Positive Social Interactions T. Bovey • P. Strain Painting at an easel, playing a game on a classroom computer, doing a puzzle, and playing on a swing are all examples of preschool activities that young children ...
The desire to find a passage through the New World to China drove most early European explorers. By 1536, France laid claim to what would become New France, now much of southeast Canada. By 1625, the people of the Jesuit missions adopted the role of both explorers and missionaries as they attempted to convert Indians t...
A favorite American pastime in fall is to pack a picnic basket and set off with loved ones on a Sunday drive along one of the nation’s many scenic byways. It’s a time of year when people enjoy crisp cool weather and marvel at the transforming landscape as tree leaves turn from lush green to gorgeous shades of yellow, o...
After Reconstruction ended in 1876, the quality of life for Southern blacks drastically deteriorated. States adopted "Jim Crow" laws restricting the voting rights of African Americans and requiring them to use separate public facilities. The Ku Klux Klan and other groups terrorized blacks, forcing them to live in fear ...
Teaching Resources for Constitution Day September 17, 1787, was a seminal day for America. Earlier that year in May, spurred by inadequacies in the Articles of Confederation and the need for a strong centralized government, 55 delegates representing 12 states met in Philadelphia to "take in to consideration the situati...
It was common in the First and Second World War for the Canadian government to officially appoint war artists to record various events on the battlefield. War artists lived the life of a soldier, but worked as a journalist. Their role was mainly educational: to record military conflicts and the experiences of the men a...
The Andromeda galaxy's dusty pink arms contrast with older stars that glow blue in a striking new image from the Spitzer Space Telescope. Using about 3000 separate exposures, Pauline Barmby of the Harvard-Smithsonian Center for Astrophysics in Cambridge, US, and her team found that the spiral galaxy has about a trillio...
In the traditional classroom, parts of speech and sentence patterns are taught primarily through worksheets made up of isolated, meaningless sentences. Students are assigned to label sentence parts or to correct usage errors such as subject verb agreement. Over ninety years of educational research has not produced a si...
Become a fan of h2g2 El Niño1 is a climate phenomenon affecting the Pacific, Atlantic and Indian Oceans, occurring approximately every three to seven years. Officially, it is a sustained sea surface temperature greater than 0.5°C more than normal across the central tropical Pacific Ocean. If this condition persists for...
Respect. Every student—and every teacher—wants it, but too often, it's in short supply. How can students learn to demonstrate respect in a world where selfish behavior, mean-spirited stereotyping, bullying, and violent conflict are commonplace? The authors in the September issue of EL discuss ways educators can prevent...
The funny thing about this sonnet is that there's no real location. In fact, there's no real action in the poem. It's more of an intellectual argument than an evening or a story. We're really just getting the speaker's voice reciting his poem out there in a galaxy of poem-outer-space. There aren't any details about sit...
Thanks to the MErcury Surface, Space Environment, GEochemistry, and Ranging (MESSENGER) spacecraft, and a mission that took more than 10 years to complete, scientists now have a good picture of the solar system's innermost planet. On March 17, MESSENGER completed its one-year primary mission, orbiting Mercury, capturin...
PERMAFROST IN CANADA Except for relatively few areas where adequate observational data exist, maps which show the distribution of permafrost have been based on broad extrapolations and an assumed relationship between air temperature and ground temperature. According to Figure 2 (Heginbottom et al. 1995), the permafrost...
The Arctic tundra, vast plains filled with grasses, flowers, mosses and lichen, is located north of the taiga forests in Earth’s north polar region. Like all types of tundra, this is a very cold and windy place. There is little precipitation. Most of the precipitation is snow which insulates the small plants and ground...
The little sketch is a bird's eye view of the stones, and shows the great trilithons, the biggest stones in the monument, each made of two pillars capped with a third stone lintel, which stand in a horseshoe in the centre of the circle. Only three are now standing, but the drawing, found in Douai, northern France, sugg...
Thin Lens Formula and Optical Instruments Given the laws of reflection and refraction, one can see in principle how the passage of light through an optical instrument could be traced. For each of a number of initial rays, the change in the direction of the ray at each mirror surface or refractive index interface can be...
.. The history of miscegenation in this country...demonstrate[s] how society has used skin color to demarcate lines between racial groups and to determine the relative position and treatment of individuals within racial categories. (Jones, 2000, p. 1487) Prior to the civil war lighter skinned blacks were more likely to...
A gamma-ray burst (GRB), the most powerful explosion known in the Universe, may have hit the Earth in the 8th Century. In 2012 researchers found evidence that our planet had been struck by a blast of radiation during the Middle Ages, but there was debate over what kind of cosmic event could have caused this. Now a stud...
Polish–Soviet border agreement of August 1945 \|Territorial evolution of Poland in the 20th century The Border Agreement between Poland and the USSR of 16 August 1945 established the borders between the Union of Soviet Socialist Republics (USSR) and the Republic of Poland. It was signed by the Provisional Government of ...
CureSearch for Children's Cancer funds and supportstargeted and innovative children's cancer research with measurableresults, and is the authoritative source of information and resourcesfor all those affected by children's cancer. Imaging tests take pictures of places inside the body to see if there is a tumor or infec...
When determining true south, the key thing to remember is that the times reflected on a clock do not necessarily match up with what is actually happening. This means that it is necessary to make a few basic observations and calculations, starting with determining when the sun is at its highest point in the sky. Then, b...
"International Women’s Day is an occasion to review how far women have come in their struggle for equality, peace, and development. It is also an opportunity to unite, network, and mobilize for meaningful change.” - United Nations Department of Public Information The first International Women’s Day was March 8, 1911, b...
What is atmosphere? Atmosphere is the huge blanket of gas that circles the entire Earth. Without it, life as we know it could not exist. This blanket of gas starts at ground level and stretches 600 miles into the sky. However, most of this life-supporting shell is squashed down into a layer only six miles thick. The to...
Applied scientists led by Caltech's Kerry Vahala have discovered a new type of optical soliton wave that travels in the wake of other soliton waves, hitching a ride on and feeding off of the energy of the other wave. Solitons are localized waves that act like particles: as they travel across space, they hold their shap...
Instead of ASSIGNING vocabulary, TEACH it in context! This worksheet will help students practice the essential skill of determining vocabulary in context using key passages from Chapter 6 of F. Scott Fitzgerald's American classic The Great Gatsby. This 2-page worksheet includes key excerpts with 5 vocabulary words. For...
§ 2. The Native British 1. What are the ways of expressing national (‘ethnic’) identity? The United Kingdom is a land of great diversity, partly in its landscape, but more importantly in the human sphere. There are four territorial divisions, Scotland, England, Wales and Northern Ireland (or Ulster). They all carry a s...
This GCSE mathematics lesson consolidates calculating the circumference of a circle and the perimeter of circular shapes. Students are encouraged to use a calculator throughout although answers could be left terms of π. Differentiated Learning Objectives - All students should be able to calculate the circumference of a...
“The shot heard around the world” was fired on April 19, 1775 at Lexington, Massachusetts. Although this engagement and the one that followed at neighboring Concord weighed against the Americans, their willingness to fight for their rights was at last put to the crucial test, and there was no going back. These initial ...
In this page 3rd grade worksheet2 you can find mixed question in all the topics.Each of the sheets are given in the form of quiz. Online math 4 all gives collections of work sheets from all the grades.You may practice each set of worksheets and also you check your answers that will help you to evaluate the knowledge. T...
Newswise — The common wisdom is that the invention of the steam engine and the advent of the coal-fueled industrial age marked the beginning of human influence on global climate. But gathering physical evidence, backed by powerful simulations on the world's most advanced computer climate models, is reshaping that view ...
Because in order for a solution to conduct electricity, it must be an electrolyte - that is, it must contain free ions (charged particles). HCl, or hydrochloric acid, dissolves freely in water, with its ionic bonds releasing to create H+ and Cl- ions in solution. This happens because Hydrogen is able to release its ele...
1. Describe an instructional design scenario in which Gagne’s “Conditions of Learning” are applicable. As an instructional design theorist, Robert Gagné, theorized that there were five major groups or categories of learning in his book “Conditions of Learning”. These categories are intellectual skills, cognitive skills...
Geophysicist Maria T. Zuber applied her knowledge of Earth science to one of the world’s most universally studied astronomical bodies—the moon—at this year’s annual Neekeyfar Lecture on Math and Science, hosted Tuesday by the Undergraduate Council’s Student Advisory Board on Science. “Basically every human who has live...
November 19 marked World Toilet Day, a day designated by the United Nations to draw attention to the need to improve sanitation conditions around the world. According to the United Nations, a $1 investment in providing safe water and sanitation generates a $4.3 return in the form of reduced health care costs. The Unite...
Modes of disposal of the corpse and attendant rites The form of the disposal of the dead most generally used throughout the world in both the past and present has been burial in the ground. The practice of inhumation (burial) started in the Paleolithic era, doubtless as the most natural and simplest way of disposal. Wh...
Bangalore is largely dependent on groundwater. The largest source of water in Bangalore apart from Cauvery water is from borewells. We are pulling water that has been down there for hundreds of years, that is somebody else’s right as much as it is ours. And the breach of this right can be clearly seen with unequal reso...
We have started learning our procedures and routines in our classroom. We learned about PAW Pride and how we are to act in the cafeteria, hallways, restrooms, and at recess. We explored with the some of the different math manipulatives we will be using this year. In science, we learned about our five senses and how the...
"What are we doing to help kids achieve?" Formative assessment can be a double edged sword. It can be and often is extremely helpful. Some quick short three or four well worded questions at the beginning of a unit provides information about student abilities. A teacher can skip teaching information that kids already kn...
History Optional Paper-1 Solution – 2007: Q.6 Q.6 Show that the administrative system in India reached a very high level during the Chola period. During the Chola period, a strong and well organized administrative system evolved. The emperor was at the top of the administration. The extent and resources of the Chola Em...
Mutually Exclusive vs Independent Events People often confuse the concept of mutually exclusive events with independent events. In fact, these are two different things. Let A and B be any two events associated with a random experiment E. P(A) is called the “Probability of A”. Similarly, we can define probability of B a...
Essay, Research Paper In the epic poem, The Iliad, Homer describes a social occasion in which character s values, the values of that character s culture and the themes those values develop can be derived. The funeral games, held by Achilles in honor of his late friend Patroclus, is a perfect example of such an occasion...
Subject: Reading & Language Grade Level: Kindergarten Time Frame: 45 min. - CCSS.ELA-Literacy.RF.K.1D-Recognize and name all upper- and lowercase letters of the alphabet. Phonics and Word Recognition - CCSS.ELA-Literacy.RF.K.3a Demonstrate basic knowledge of letter-sound correspondences by producing the primary or most...
A new map of the world's seafloor, that offers thousands of unseen seamounts on ocean floor, has been developed by a team of scientists. The map provides a more vivid picture of the structures that make up the deepest, least-explored parts of the ocean, along with new clues about the formation of the continents. The re...
Opposition to the Bill of Rights The Federalist Papers, specifically Federalist No. 84, are notable for their opposition to what later became the United States Bill of Rights. Hamilton didn't support the addition of a Bill of Rights because he believed that the Constitution wasn't written to limit the people. It listed...
Lesson 6 of 7 Objective: SWBAT recognize and interpret figurative language in context. Introduction to Hyperboles This unit's purpose is to give students opportunities to understand an author's choices for using literary devices and how those choices add meaning to the text, which falls in line with the underlying idea...
There is good evidence that in order to build fluency, children need to engage in reading large amounts of meaningful text (Anderson et al., 1988; Taylor et al.,1990). Many young children enjoy reading aloud and can practice with a partner or in small groups to achieve greater fluency (Anderson et al., 1985). As childr...
A Facebook meme that went viral a few years ago shows a student sitting across the desk from a professor. Holding an essay in his hands, the professor says to the student, “I like the words you used in your essay—I just think you should have put them in a different order.” Although there is no research to confirm it, t...
Gastroesophageal reflux disease (GERD) is a digestive disorder that’s referred to as pediatric GERD when it affects young people. Nearly 10 percent of teens and preteens in the United States are affected by GERD according to GIKids. GERD can be difficult to diagnose in children. How can parents tell the difference betw...
Dietitian Orla Walsh: What's the difference between an allergy and intolerance? Our resident dietitian Orla Walsh explains the science behind food allergies and food intolerances 'Food hypersensitivity' is when someone experiences any sort of negative reaction from eating a particular food. Approximately 1 to 10pc of a...
This fall, students in grade 9 humanities set out to create their own comic book. To accomplish this, and help them understand comic book/graphic novel techniques, a comprehensive unit of study was created. Below are the steps and stages completed, with the attempt of personalizing learning for all students. Step 1: In...
Measles starts with fever, runny nose, cough, red eyes, and sore throat. It’s followed by a rash that spreads over the body. Measles virus is highly contagious virus and spreads through the air through coughing and sneezing. Make sure you and your child are protected with measles, mumps, and rubella (MMR)vaccine Learn ...
Vikings are Scandinavian seafaring warriors active across Europe and the North Atlantic from the eighth through the 11th centuries. This time period is called the "Viking Period" in Scandinavian history. Because the period is broad and the geographical spread of the Vikings was wide, it's difficult for archaeologists a...
LESSON FOUR: UNDERSTANDING PRIMARY SOURCES People of all times leave clues with which historians interpret history. These clues, called primary sources, include photographs, audio recordings, diaries, letters, videos, and personal narratives. What clues help us understand the lives of people in the past? The students w...
Astigmatism is a very common condition that affects the crispness and clarity of your vision. It is caused by an irregular curvature of either the cornea or lens – the two structures of the eye that focus light. A good illustration is this: an eye without astigmatism is round like a basketball, while an eye with astigm...
Tsunami waves generated by the main shock of the Japan earthquake on March 11, 2011, damaged the backup generators at the Fukushima Daiichi plant. Although all three of the reactors that were operating were successfully shut down, the loss of power caused cooling systems to fail in each of them within the first few day...
No Name-Calling Week Students discuss if they have ever heard someone being bullied or called a name; if so, as each child shares, they hold hands and form a linked circle. They then talk about what they can say or do when they witness name-calling or bullying. 14 Views 46 Downloads New Review Identity-Based Bullying W...
Blood clots show that platelets are doing their job Sometimes, accidents happen during Christmas season. You may cut your finger open when preparing a holiday meal. However, you know that if you are a healthy individual, the cut will form a blood clot and start to heal on its own, even without medical care from your lo...
How do gender inequality and gender norms impact HIV, tuberculosis and malaria? Despite global gains, gender inequalities, harmful practices, sexual violence and discrimination against women and girls continue to put their health at great risk. Globally, women and girls tend to have unequal power in sexual relationship...
There are so many ways you can enhance Spanish learning with song recordings at home or in a classroom. Depending on your specific students, their ages and personalities, as well as your teaching style, circumstances, or goals/objectives, below are some ideas that may fit your needs. - Students listen to a song, and se...
Use this fun activity to describe the similarities and differences of insects by creating a flip book about them that is focused on compare and contrast! My students absolutely LOVE making books. Why not make a Venn Diagram even more fun by making it into a book where students have more room to describe what they obser...
Students learn lessons each day. While many of these lessons pertain to their coursework, children pick up much more than book smarts from school, where they first learn to cultivate friendships and build lasting relationships. In addition to a new curriculum, new teachers and new schedules, students also might make ne...
\|Albania Table of Contents The communists gained a foothold in Albanian politics during World War II, when they became the founders and leaders of the National Liberation Movement (NLM), which came into existence during the Italian and German occupations. Hoxha, a former schoolteacher who became first secretary of the ...
All animals that inhabit the land, from worms and slugs to insects, reptiles, birds and mammals, evolved from creatures that emerged from the sea. Animals with back bones, vertebrates, descended from large salamander-like animals that crawled from the water some 360 million years ago. That little salamander-shaped crea...
While Langston Hughes wrote a myriad of plays, short stories, and essays, he is primarily known for his poetry, especially the verses he wrote during the Harlem Renaissance. Scholars and critics regularly refer to him the “African American Poet Laureate of Democracy,” creating a parallel between Hughes and Walt Whitman...
The Doppler Effect is the change in frequency of a wave that results from an object’s changing position relative to an observer. A well-known example of the Doppler Effect is when an ambulance zooms by you and makes a “wheee-yow” sound. The high-pitched “whee” is caused by sound waves that are bunched together because ...
Johannes Gutenberg (1398–1468) died poor, estranged, and with relatively no recognition for any work done on the printing press. The infamous “struggling artist” would be a suitable description of our late friend, who started a reformation of sorts. It really isn’t too much of a stretch to say that Johannes Gutenberg w...
Hydrolysis in this context means the effect of water on the ions of the salt. Salts of strong acids and bases Salts are ionic compounds. When they dissolve in water they dissociate 100% producing free aqueous ions. \|NaCl Na+(aq) + Cl-(aq)\| When both ions come from strong acid and bases, they have no interactions with t...
On this day in 1535 the city of Lima - currently the capital of and largest city in Peru - was founded by Francisco Pizarro (shown below, at right) in the fertile area at the mouth of the Rímac River. Following Pizarro's war against the Inca Empire, which came to an end after his defeat of the Inca ruler Atahualpa, he ...
The classical theory of economics, which dominated in the 18th and early 19th centuries, laid the foundation for much of modern economics. Sometimes referred to as laissez faire economics, classical theory emphasized growth, free trade, and competition, as free from government regulation as possible. Under classical th...
The oceans are among the largest sources of life on Earth and is undoubtedly the largest ecosystem. Scientists traditionally divide the ocean into five zones, each based on how much light penetrates them. The deeper the zone, the less light can reach it. Each zone is host to unique plant an animal life that have adapte...
The Proclamation of 1763 was a law that Great Britain passed that forbade the colonists from moving west of the Appalachian mountains because England was worried that the colonists would be attacked by the Indians. (Native Americans.) The colonists trade ships could not leave the harbor until the colonists paid for the...
The Nazca Lines are a set of geoglyphs in the desert of Nazca in Peru declared a UNESCO World Heritage Site in the year 1994. The figures range from simple lines and triangles to more complex figures such as a hummingbird, a spider, an astronaut, a dog and more. The lines are drawn into the sand and have remained prese...
The younger brother of Malcolm IV, William was a dramatic contrast to his brother, being warlike and wilful where his predecessor had been pious. He succeeded to the throne on Malcolm's early death in 1165, and his reign was the longest in Scottish history until that of James VI, four centuries later. He was an effecti...
\|\| Home. \| Universe Galaxies And Stars Archives. \| \| \|\| Universe \| Big Bang \| Galaxies \| Stars \| Solar System \| Planets \| Hubble Telescope \| NASA \| Search Engine \|\| Quantum Theory of Physics. Max planck explained the black body problem in 1900 and set in motion a whole new branch of physics. Current thinking would have...
Activity: Pythagoras' Theorem Got a Lot of Shoes? Let's Learn Pythagoras' Theorem! What you'll need: - pen and paper 1st: Gather up as many shoes as you can. 2nd: Since Pythagoras' Theorem only works for 90 degree triangles, line your shoes up to form the letter L, like this: 3rd: Label one line of shoes A, and the oth...
During the year 1839, the Opium War erupted between the countries of Great Britain and China. As a result, the island of Hong Kong was placed under the control of the British nation on January 20, 1841. By August 29, 1842, Hong Kong was officially given to the government of the United Kingdom with the signing of the Tr...
Nutation is the bending movements executed by some plant organs, such as stems, leaves, roots, etc., by which the part is inclined successively in various directions. Nutations are due to the unequal rate of growth of different sides of the organ, an inequality which, so far as is known at present (c. 1915), is depende...
Life on one of Jupiter's moons?NASA scientists say Europa's icy sheath masks potential breeding ground for simple organisms Europa, the second of Jupiter's four large inner moons, appears to be able to support organic life. In reporting this, Ray Reynolds and Steven Squyres of the NASA Ames Research Center emphasize th...
When we think about volume from an intuitive point of view, we typically think of it as the amount of "space" an item occupies. Unfortunately assigning a number that measures this amount of space can prove difficult for all but the simplest geometric shapes. Calculus provides a new tool that can greatly extend our abil...
Paleoecologists inter-situ Plan to Curb Island Extinctions Lida Pigott Burney collecting Image © paper in David Burney at the National Tropical Botanical Garden, Hawaii, and colleague Lida Piggott Burney of the Makauwahi Cave Reserve, Kalaheo, have been examining human-caused extinctions on the Hawaiian island of Kauai...
2Lesson 2 – Heat Transfer Aims: recall that energy transfer may take place by conduction, convection and radiation.describe the role of convection in everyday phenomena.describe how insulation is used to reduce energy transfers from buildings and the human body. 3HOT COLD 1. conduction 2. convection 3. radiation Heat i...
COMPLETING YOUR SCIENCE FAIR PROJECT • CONDUCT YOUR EXPERIMENT: During experimentation, keep detailed notes of each and every experiment, measurement and observation in a logbook. Do not rely on memory! What questions arise from your research? Take plenty of pictures during your experiment. Be sure to have a definite w...
Over 500 active volcanoes have been noted in history, with approximately 20 currently being active on the earth’s surface today. North America is the third most active region behind Indonesia and Japan in the number of currently active volcanoes, with more than 50 eruptions recorded in the last four centuries. While no...
High School Physics/Velocity Velocity is a concept that combines the ideas of speed and direction. A velocity, thus, is comprised of two components. The magnitude of the velocity is the instantaneous speed at a particular point in time. The direction component can be expressed in a number of ways. Traditionally, we may...
Introduction to Bonding Lesson 3 of 8 Objective: Students will be able to use electronegativity values to decide if a bond is ionic or molecular, and describe differences in physical characteristics for substances with each type of bond. In this lesson students first use the electronegativity values of elements in a co...

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