text
stringlengths
255
17.6k
The head of the state and is responsible for ensuring that the state's laws and regulations are carried out. The governor also oversees state agencies and appoints officials to those agencies. The highest elected office in a state or territorial government in the United States. The governor is the head of state and hea...
Dred Scott was born a slave in Virginia around 1799. In 1834, a man named Dr. Emerson bought Dred Scott and they moved to Illinois, a non-slave (free) state. In 1836, they moved to Minnesota, also a non-slave state. There, Scott married another slave named Harriet. In 1838, the Emersons and the Scotts moved to Missouri...
Mrs C. Temple (Subject Leader) Currently, all pupils study French at Key Stage 3. Our curriculum is based on developing a good understanding of the structures and vocabulary needed to be able to understand and use French in everyday situations. - Nouns and adjectives in French - Key verbs: avoir (to have); être (to be)...
Ever wonder which fraction problems need inverted and multiplied, or which ones call for finding the least common denominator before you can do anything else? Keeping track of the procedures used for adding, subtracting, multiplying and dividing these fractions can be tricky for grade schoolers (and their parents!). He...
The Andrew Jackson era began in 1828 with an inauguration attended by hundreds of frontiersmen, celebrating the election of one of their own. Jackson was born in South Carolina but had moved to the frontier like many others. America was on the move west. With the deaths in 1826 of John Adams and Thomas Jefferson, Ameri...
A hazard ratio is a way to evaluate the potential hazard of something compared to something else. One of the most common places where this is used is in the creation and testing of drugs. The pharmaceutical company may run a test to determine what type of impact a new drug has. This can be done to test its ability to a...
No maps made by Ptolemy are extant. Rather, only the texts of his geographic works, which include instructions for making maps, survive. For Ptolemy, gathering information about the earth and places on it is critical to making accurate maps: "It remains for us to turn our attention to the method of making maps. There a...
Obsessive-compulsive disorder (OCD) for parents and carers This webpage explains what obsessive-compulsive disorder (OCD) is, who it affects and what can be done to help. Some people have thoughts, ideas or pictures that come into their mind over and over again. They are difficult to get rid of and can feel silly or un...
Table of Contents Public choice is a theory that attempts to explain how authorities make political decisions seeking their benefit personal. This, instead of optimizing the wellness common. This means that the rulers act based on individual interest. This, instead of maximizing the benefit of its represented. The theo...
- Eating a balanced diet, with plenty of fruits and vegetables, is essential for a child’s physical and mental growth. - Parents should limit sugary drinks and processed foods, as they can lead to unhealthy body weights, high cholesterol, heart disease, and diabetes. - Healthy substitutes such as roasted potatoes or wh...
Historians have varying theories regarding the nature of the relationship between Mary and Abraham Lincoln. Some claim that it was a happy marriage while others claim that Mary was known to become so angry, on occasion, that she ran her husband out of the house with a broom. What we do know is that they were devoted to...
What would happen if we woke up some morning to the news that a massive asteroid had just been discovered and is on a collision course with Earth? This terrifying scenario is not very likely to happen anytime soon but the thing is, we can never be sure when it will happen and someday it will. Right now, space agencies ...
The ultimate goal of learning is to educate students in the most straightforward and understandable manner. If we recall childhood, we learned and retained those concepts better, which were taught to us through non-conventional ways like experiments or diagrams or games. Multiple studies have proved the positive effect...
Do your high school science students have trouble when it comes to naming chemical compounds? Maybe they just can’t grasp the concept of the mole. Or meiosis. It’s no small feat to not just reach, but also generate excitement about tough science concepts with all of your students. But where there’s a tough-to-teach sci...
Law is the body of norms that govern behavior in a society. It is a body of knowledge that should be accessible to the public and be capable of being studied, internalized, and applied to situations. Its purpose is to protect people from abuse of power and to settle disputes. In addition, it should be based on the rule...
Direct Air Capture is a key technology in the pursuit of meeting the global goal of Net Zero by 2050. The rising levels of CO2 in the atmosphere are only going to accelerate the worst effects of climate change. The world not only needs to reduce emissions, but they need to be actively removed from the atmosphere. Howev...
HIV/AIDs can be spread from one person to another through the following: HIV is spread mainly by: - Having unprotected sex with someone who has HIV. - Sharing needles, syringes, rinse water, or other equipment used to prepare injection drugs with someone who has HIV. - Being born to an infected mother. HIV can be passe...
This quiz deals with subjects composed with a singular noun and plural vocabulary or pronouns, as well as complex sentences. It`s a fun quiz, as it also covers special names that can be confusing, like collective names and names that end with an “s” but remain singular. Once your students have a solid understanding of ...
NASA's Perseverance rover will be a target for orbital lasers When NASA’s Perseverance rover touches down on Mars in February 2021, it will carry with it a set of pristine mirrors that will serve as targets for future orbital spacecraft equipped with high-precision lasers. The laser-bouncing experiment could help scien...
We are here to help! ACHIEVING LITERACY FOR ALL BY AGE 8 We have an equity problem in California that impacts 65% of students. Equity x Literacy Children with higher rates of trauma have more difficulty learning. Children from low socio-economic families are more likely to face chronic trauma than children from high so...
The act of discerning quality and value of literary texts. A way of thinking about a situation/idea/character. For example, an author or audience may be subjective, supportive or antagonistic towards something or someone. The group of readers, listeners or viewers that the writer, designer, filmmaker or speaker is addr...
Learn Irregularly spelled words As a Grade 3 learner, you find difficulty to read some words because they should be read differently. Some words have their letters not to be sounded. That would be the focus of this module. You will be learning some irregularly-spelled words with the help of your family or learning budd...
Cells Use Loop Extrusion to Keep DNA Optimized Loop extrusion is a technique used in various machines for repairs and maintenance. Here are a few examples from the early days of computing and other technologies: - Audio technicians would extrude audio tapes in reels and cassettes to fix wrinkles or splice broken ends t...
Crucial piece of Antarctic one of most rapidly warming spots on Earth Explore This Story A piece of the Antarctic critical to policing the island continent’s influence on sea levels is one of the most rapidly warming spots on Earth, new analysis reveals. “The issue is really important to everybody,” lead researcher Dav...
Simply begin typing or use the editing tools above to add to this article. Once you are finished and click submit, your modifications will be sent to our editors for review. ...the surface traced by a moving straight line (the generatrix) that always passes through a fixed point (the vertex). The path, to be definite, ...
The sclera is the protective outer layer of the eye, which is also the white part of the eye. It’s connected to muscles that help the eye move. Scleritis is a disorder in which the sclera becomes severely inflamed and red. It can be very painful. Scleritis is believed to be the result of the body’s immune system overre...
Rationale: To improve comprehension, students need to know and understand the story structure. Students must learn to ask themselves questions to help remember important ideas about the stories. When readers learn to use story grammar automatically in facilitating comprehension, they are able to become skilled readers....
In order to understand the earthquake hazard in an area, one must know what the earthquake history has been. Because the interval between large earthquakes on any given fault is often in the neighborhood of hundreds or even thousands of years, it is necessary to study when large earthquakes have occurred on the faults ...
Prisoner Exchange System "The Fate Of Black Soldiers" By the summer of 1863, the prisoner exchange system that had been negotiated between Union and Confederate military leaders had ceased to function. The primary reason for the breakdown was the Southern policy of not treating captured black soldiers as prisoner of wa...
By GreatSchools Staff Are your kids reading at grade level? Are there any gaps in their phonics or comprehension? Since learning to read is a long and complex process, some students hit college only to discover their skills aren't where they should be. How do you know if your children are on track? Our grade-by-grade g...
Our Scouts develop their cooking skills in various ways in our Scout Programs. We want our Scouts to have at least basic cooking skills because they will need them in the future. It is important to learn how to use pots and pans and how to cook basic dishes. Often the only food someone might be able to cook are hamb...
B. Rosemary Grant / Science via AP file A species of ground finch (Geospiza fortis) on Daphne Major in the Galapagos Islands appears to have sped up the trill of its tune to differentiate itself from a similar species that colonized the island in 1983, researchers say. More than a dozen species of birds in the Galapago...
Definition of the Magnetic Field With a brief history of electromagnetism, and a general understanding of what conditions give rise to a magnetic field, we may now precisely define the magnetic field. Magnetic Field Acting on a Charge When we defined the electric field, we first established the electric charge, and rel...
Carbon dioxide concentrations in the atmosphere have increased due to the use of fossil fuels in electricity generation, transportation, industrial processes, and space and water heating. A few percent of global CO2 emissions are produced during the manufacturing of cement. Deforestation provides another source of carb...
Scientists from several institutions have been studying 602 tree ring chronologies from the western United States covering the past 2,000 years. Wider rings correspond to wetter years, and by overlapping the patterns of rings of one tree with the rings of another, scientists can reconstruct periods that are longer than...
Students will practice creating patterns using the letters in their name. Students will start by writing their name, one letter at a time, in each box. Continue until each box is filled, leaving blank boxes. Next, students will color each letter a different color (ex. all the letter "A" in "Amy" would be colored pink; ...
Exploration - History of Business in the U.S. Significance: Before 1492, the Americas were a largely unexploited region, full of resources that promised opportunity and prosperity. Early European explorers were often motivated by curiosity about unknown and undiscovered lands, but most great exploration ventures were e...
Pilot is a nautical term that has its roots in ancient Phoenician maritime history. The pilot is the chief person duly qualified to steer ships into or out of a harbor or through certain difficult waters. His familiarity with the water he is traversing allows the ship to be safely navigated to its port. Pilots are in c...
What is a statistic? A statistic is a number or amount compared to an earlier number or amount of the same thing. Statistics refer to the quantity of work done or the value of it in money. A down statistic means that the current number is less than it was. An up statistic means the current number is more than it was. W...
A similar procedure was adopted in the U.S. in response to the actions of isolationist senators who attempted to talk out, or filibuster, a bill to arm U.S. merchant ships. President Woodrow Wilson urged the Senate to change its rules to thwart what he called a "little group of willful men", to which the Senate respond...
Heat vs Temperature Heat and temperature are two terms that are used very often in the study of physics and chemistry. The two concepts refer to same physical state of an object but are different from each other in many ways. People use the terms interchangeably which is erroneous. Of course heat of a body increases wh...
The traditional (eighteenth-century) location of the Luiseños was a region of great environmental diversity, along the coast and inland along streams, south of present-day Los Angeles but north of the Tipai-Ipais. Today most Luiseños live on reservations in San Diego and Riverside Counties. The Luiseño population was r...
4.10 North Carolina and the women's suffrage amendment Jenny McElroy, August 1920 -- North Carolina and the Women's Suffrage Amendment, This Month in North Carolina History, August 2008. Provided by UNC Libraries / North Carolina Collection. When the Nineteenth Amendment came before the North Carolina legislature in Au...
If you are not clear about what a square-wave grating is, you might want to read the tutorial that gives a basic description of gratings before continuing. Fourier Analysis is a mathematical procedure used to determine the collection of sinewaves (differing in frequency and amplitude) that is neccessary to make up the ...
Comprehending What We Read!! Rationale: Students read more and come in contact with unfamiliar concepts and new vocabulary the older they get. Students must use comprehension strategies to discern these unfamiliar concepts. One comprehension strategy that children can use is question- answering strategies. The strategy...
The Stuarts - Puritans Towards the end of Elizabeth's reign, an extreme branch of the Protestant religion was becoming more popular. They called themselves Puritans. This picture clearly shows the simple, plain clothing worn by the Puritans. Their clothing was usually black, white or grey and they lived a simple and re...
During the last ice age, vast sheets of ice extended well beyond the polar regions. By about 12,000 years ago, the ice sheets had significantly shrunk—and so had the Northern Hemisphere’s variety of large mammals. In North America, about five dozen kinds of mammals, big and small, went extinct as the ice slowly retreat...
Dien Bien Phu General Navarre, the French commander in Vietnam, realised that time was running out and that he needed to obtain a quick victory over the Vietminh. He was convinced that if he could manoeuvre General Vo Nguyen Giap into engaging in a large scale battle, France was bound to win. In December, 1953, General...
> Play video How exciting would it be to be part of a group of students who actually use a spacecraft to conduct their own science investigation at Mars? It sounds like science fiction but it's science fact. It's called the Mars Student Imaging Project and it's open to students grades 5 through college. One group of mi...
Shade varies by habitat To define degrees of sun and shade, and the needs and tolerances of various plants, I look to natural habitats. In nature, full sun is analogous to meadows, prairies, and other open country. Cultivated plants that require a full day of direct summer sun -- 10 or more hours -- are native to these...
“Can you show me another way?” Multiple representations show students there is more than one correct way to do the math. This is an important message in itself. Multiple representations also allow students to learn new mathematical concepts and procedures. For example, division can be thought of as sharing or grouping....
The American burying beetle is one of nature's most efficient scavengers, breaking down dead animals and recycling their nutrients back into the environment. A hundred years ago, the insect was common across North America. Today, it's down to a handful of small populations, inhabiting less than ten percent of the speci...
One of the most difficult aspects of Lewis and Clark’s cross-continental journey was figuring out how to transport the tons of goods and supplies they had brought. As transportation conditions changed along the river, the logistics of handling so much baggage on land became impractical or downright impossible. At three...
Although there were similar incidents in Greece as Nazi Germany assumed control of Greece from defeated Italy, in Corfu and Rhodes for example, the Kefalonia Massacre is the most well known because it is thought to have been the second largest slaughter of prisoners of war during World War II. The events were precipita...
Most teachers are creative people. We have to plan for multiple classes each day keeping our methods and activities fresh and interesting for both our students and ourselves. Not many, though, would consider themselves creative enough to be art teachers. Art can be an intimidating subject full of specialized knowledge ...
CORRESPONDING TEACHER'S TEXT The White House is an enduring symbol of our nation’s leadership. It is also the most recognized structure in America. From the beginning, the White House was meant to be a flexible structure. With America not yet a quarter of a century old when John Adams inhabited the President’s House in...
It can be difficult to distinguish between the common cold and influenza in the early stages of these infections, and can be a symptom in children. The symptoms most reliably seen in influenza are shown in the table to the right. Since antiviral drugs are effective in treating influenza if given early, it can be import...
British colonization of the AmericasBritish colonization of the Americas began in the late 1500's. Colonies were establish in North and South America , in the Caribbean and a protectorship in Hawaii British North America The English established colonies along the east coast of North America from Newfoundland as far sou...
A symbol can serve as the name of a function. This happens when the symbol's function cell (see Symbol Components) contains a function object (e.g., a lambda expression). Then the symbol itself becomes a valid, callable function, equivalent to the function object in its function cell. The contents of the function cell ...
IBM and the Georgia Institute of Technology announced Wednesdat that their researchers have demonstrated the first silicon-based chip capable of operating at frequencies above 500GHz, which is over a hundred of times higher compared to currently shipping microprocessors. To reach the speed, the scientists had to cool t...
Catawba - Orientation Identification. The Catawba are an American Indian group who live in North and South Carolina. The meaning of the name "Catawba" is unclear. It may be derived from the Choctaw katapa, meaning "separated" or "divided." Other scholars have traced it to a Catawba word meaning "people on the edge (or ...
This worksheet can be used as homework or as a formal assessment. Students are asked to identify the three addition properties (Zero Property, Commutative Property, and Associative Property). Also, they are asked to solved several problems using the different properties. In addition, students work on several problems t...
When people get avian flu (or any influenza), the virus leaves the lungs and immune system weak and damaged, making them susceptible to secondary infection by other pathogens, especially if the person’s immune system was already weak before the influenza infection. Bacterial pneumonia is an especially common secondary ...
The first direct evidence that early Europeans were unable to digest milk has been found by scientists at UCL (University College London) and Mainz University. In a study, published in the journal 'PNAS', the team shows that the gene that controls our ability to digest milk was missing from Neolithic skeletons dating t...
Go back to the Acid Base Menu I. Short Historical Introduction In the late 1880's, Svante Arrhenius proposed that acids were substances that delivered hydrogen ion to the solution. He has also pointed out that the law of mass action could be applied to ionic reactions, such as an acid dissociating into hydrogen ion and...
Most tunicates have a relaxing life, sucking water in and filtering out plankton. The Predatory Tunicate is more active and go-getting, even though it's got a stalk and is stuck to the sea floor. It's perfectly clear what they do. They have what is effectively a big mouth. When little creatures wander in, the big mouth...
Lesson Plans for Secondary School Educators Unit Two: Runes, Riddles, and a Ring of Power Writing in Runes. After receiving the handout called Anglo-Saxon Runes, the class should have no trouble using this ancient alphabet. As an initial exercise, have each student write his or her name in runes. The more advanced stud...
History Of Pan American World Airways Pan American World Airways was one of several carriers that was created and flourished as a result of the Air Mail Act of 1925 (Kelly Act). The Air Mail Act of 1925 was the first major piece of legislation created by Congress in 1925 that would effect the aviation industry. The Act...
Boolean rules for simplification Boolean algebra finds its most practical use in the simplification of logic circuits. If we translate a logic circuit's function into symbolic (Boolean) form, and apply certain algebraic rules to the resulting equation to reduce the number of terms and/or arithmetic operations, the simp...
Chemical composition detected by an X-ray device indicates where on Earth an ancient clay tablet originated. Clay tablets were used as media for the written word before college-ruled binder paper became popular. Previously, portions of such a tablet had to be destroyed to do a physical analysis. A professor, Yuval Gore...
In many mountainous areas, rock layers thousands of feet thick have been bent and folded without fracturing. How can that happen if they were laid down separately over hundreds of millions of years and already hardened? If the earth’s fossil-bearing sedimentary layers were laid down over 460 million years, they could n...
Unit of Study ❑Topical X Skills-based ❑ Thematic In this unit of study, students will apply the properties of exponents. They will represent very small or very large numbers in scientific notation, perform operations and learn how to interpret when “E” appears on the calculator. Students will provide examples of linear...
Last week our reading theme was "How Things Grow" and we learned about what plants need to grow. One of the stories we read talked about seeds in different types of fruit and we classified fruit into the categories "one seed" and "many seeds." Even though it seems kind of babyish for first graders, we also did a fruit ...
Supplementary angles are two angles whose sum is 180 degrees while complementary angles are two angles whose sum is 90 degrees. Supplementary and complementary angles do not have to be adjacent (sharing a vertex and side, or next to), but they can be. Two concepts that are related but not the same are supplementary ang...
Applying the Pythagorean Theorem The Pythagorean Theorem has been known for at least 2,500 years. You use the Pythagorean Theorem when you know the lengths of two sides of a right triangle and you want to figure out the length of the third side. The Pythagorean Theorem: The sum of the squares of the legs of a right tri...
How Ultrasound Works Ultrasound works in the same fashion that sonar works for ships at sea. They send out a sound signal and it bounces back. However, when it bounces back, it bounces back with information on what the shape is. Therefore, if there was a deep underwater mountain, the sound would signal that there was a...
This page of the glossary covers A to C. You can navigate to the next section from the links at the bottom of this page. Ablation Occurs where more glacial ice is lost by melting and evaporation each year than is replaced by the build up of snow. Accretion The build-up of sediment solely by the action of the forces of ...
This Webquest is designed for second graders. It's primarily used for my second grade students to review basic math concepts. Links included are for greater than/less than, subtraction and addition problems. The coolmathforkids.com site is great for upper grades, too! In addition, at parent conference time, you can giv...
Halley's Comet (also known as Comet Halley and pronounced to rhyme with "valley") is a famous periodic comet which becomes visible to the naked eye when it approaches the Sun, about every 76 years. The last appearance was in 1986 and the next one will be in 2061. It is named for astronomer Edmund Halley (1656-1742). Ha...
Fracking is a method to stimulate or improve fluid flow from rocks in the subsurface. Advancements in extraction technologies have enabled drillers to reach previously inaccessible gas in geological formations. The technique involves pumping water-rich fluid into a borehole until the fluid pressure at depth causes the ...
Electricity is the name given to an effect resulting from the presence of stationary or moving electric charges and the effects they cause. The word electricity was coined by William Gilbert (1544–1603), an English physicist and physician known primarily for his original experiments on the nature of electricity and mag...
1 The practice of allowing students to learn at their own pace and according to their own preferred learning style, and to cover those areas of the syllabus or lesson which are necessary to their learning. It is an approach which necessitates the teacher having a clear understanding of the starting point and learning n...
Radiators and convector's are types of heat exchangers designed to transfer thermal energy from one medium to another for the purpose of cooling and heating. The majority of radiators are constructed to function in vehicles, buildings, and electronics. One might expect the term "radiator" to apply to devices which tran...
Dew-covered webs provide an opportunity for you to view the web’s construction, revealing the fine threads typically formed by the spider during the previous night. The Garden Orb-web produces a sizeable web, with a defined central hub of meshed thread. Outside of this there is a narrow spiral, known as the strengtheni...
Heart rate is defined as the number of heartbeats per unit of time. Typically, this value is expressed as beats per minute (bpm). Heart rate is actually the frequency of the cardiac cycle, which refers to the events related to the flow or blood pressure that occurs from the beginning of one heartbeat to the beginning o...
Thermochemistry is the branch of chemistry that deals with the heat of reactions. In an introductory chemistry course, thermochemistry will focus mainly on the heat evolved or absorbed in chemical reactions. A student may be asked to calculate the amount of heat evolved when two elements form a covalent bond. They may ...
Asthma is a disease of the lungs in which the airways become blocked or narrowed causing breathing difficulty. This chronic disease affects 20 million Americans. Asthma is commonly divided into two types: allergic (extrinsic) asthma and non-allergic (intrinsic) asthma. There is still much research that needs to be done...
The weather is classified as a savanna climate, according to the Köppen classification. The basin has two distinctive periods of precipitation: dry from about April through September rainy with heavy rain from October through March, with 80% of the annual precipitation during the wet season. The Pantanal floodplain cou...
One hundred and forty-five years ago, the 15th Amendment to the U.S. Constitution was ratified, guaranteeing equal votes to all men regardless of "race, color, or previous condition of servitude." Fifty years ago, the Voting Rights Act of 1965 was passed by Congress to try to make the 15th Amendment's guarantee, which ...
Female Action Heroes - Lesson Level: Grades 6 to 8 This lesson was adapted from “Gender Issues in Sailor Moon” by Alice Te of the Toronto Board of Education. In this lesson, students identify stereotypical images of girls and women as represented by female action heroes. After viewing an excerpt from children’s televis...
Just as different animals have different life cycles, so too do plants. Understanding the basic life cycles of plants, their differences as well as their similarities, can make you a better gardener by preparing you for each life cycle's unique aspects. Without understanding the differences in basic plant life cycles, ...
Willkommen, bienvenue, welcome... You don't have to be fluent in a language to use it to say words of welcome and support to another human being. You just need a sense of fun, a willingness to have a go, and a concern for others' welfare. Learning a few words in an unfamiliar language is a fun challenge for any age gro...
Scientists have found evidence of a huge asteroid that struck the Earth early in its life with an impact larger than anything humans have experienced. Tiny glass beads called spherules, found in north-western Australia were formed from vaporised material from the asteroid impact, said Dr Andrew Glikson from The Austral...
This section requires knowledge of Transfer Functions A system is often defined in terms of the poles and zeros of its transfer function. You will see later that the location of the poles and zeros gives a wealth of information about the behavior of a system. This document is only concerned with the creation of a pole-...
Veins are responsible for transporting blood from parts of the body back to the heart. There are four types of veins; pulmonary, systemic, superficial and deep veins. The inner structure of veins consists of valves that keep the movement of blood from backing up.Continue Reading Blood enters into veins through arteriol...
Neutrinos are “ghost particles,” so called because they are essentially without mass and they do not interact with matter or gravity. These unique particles are produced in huge numbers during the intense atomic decay process as stars burn through their hydrogen. The great physicist Wolfgang Pauli was led to the discov...
Science Unit 3- Chapter 3 Home > Preview The flashcards below were created by user on FreezingBlue Flashcards. An ion is an atom or molecule in which the total number of electrons is not equal to the total number of protons, giving the atom a net positive or negative electrical charge A chemical bond is an attraction b...
Lesson 3/Week 3: Crystals Establish what a pattern is: draw a series of three (or more) incomplete patterns on the white board and ask the kids to finish each one. You can either invite the kids up to finish each pattern or you can poll them and then fill it in yourself. |All Images from PublicDomainPictures.net| "Reme...
On this day in history, November 10, 1782, the last battle of the American Revolution is fought as American militiamen attacked Shawnee villages near Chillicothe, Ohio in retaliation for attacks by Loyalists and Indians against Sandusky, Ohio, Lexington, Kentucky and other places. General George Rogers Clark and over a...
Compared to other animals it is usually pretty obvious when you see a fish. If you look in a river, lake, or ocean and see something swimming around underwater without coming up to the surface to get air then it is most likely a fish. But, do you know exactly what makes a fish a fish as opposed to some other animal? It...