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• enlarge this image The Paiute peoples of the Great Basin are widely known for their basketry, a fine example of which is shown above. This basket, probably made in the nineteenth century, was used by the Paiute to carry and store water, a precious resource in the arid Great Basin country. It is in the collections of ...
Climatologists have extended the record of global temperatures back more than 10,000 years, to the dawn of agriculture, showing how fast humans are changing the climate. The iconic "hockey stick" graph is one of the most striking pictures of how temperatures have changed on Earth throughout history. It uses a number of...
Task 2: Thinking about Attention - How important is attention to the learning process? - How hard is it to keep students' attention engaged in what is happening in the classroom? - What can we do to help our students pay attention? - Attention is what makes the difference in learning. - In my case, I have only one stud...
You are hereHome › Now showing results 161-170 of 193 This is an activity about comparing images of the Sun in different wavelengths of light. Learners will examine solar images taken by the SOHO spacecraft to look for differences in the features that are visible in the various wavelengths of light.... (View More) This...
Who was Saint Francis of Assisi? Question: "Who was Saint Francis of Assisi?" Answer: Though never officially ordained to the priesthood, Giovanni di Pietro di Bernardone, known today as Saint Francis, is one of the most famous religious figures in history. Nicknamed “Francesco” by his father, Francis was a Catholic fr...
Developing School Readiness Skills From 0-12 Months Learn how children develop early learning skills from birth to 12 months. These skills include: Language and Literacy, Thinking Skills, Self-Control, and Self Confidence Babies come into the world filled with curiosity about the people, objects, and places they encoun...
Cooperative Learning: is a teaching strategy in which small teams, each with students of different levels of ability, use a variety of learning activities to improve their understanding of a subject. Each member of a team is responsible not only for learning what is taught but also for helping teammates learn, thus cre...
Research a minimum of five peer-reviewed articles that can be used in support of your content. All teachers have a unique way of performing their instructional duties. They are each different and have multiple personalities with which to get the job done effectively. One teacher may do better, for example, conducting a...
Standardized Writing Tests Q: Our state requires a writing test as part of third grade evaluations. What can I do from home to help my son prepare? An effective way to have third graders prepare for a standardized writing test is to have them practice organizing paragraphs. A fun way to review paragraph structure is to...
The Stars and Stripes came into being on June 14, 1777, when the Second Continental Congress authorized a new flag to symbolize the new nation, the United States of America. The commemoration of this day as the birthday of the flag developed slowly. The Stars and Stripes first flew in a Flag Day celebration in Hartford...
and the Beanstalk Growing Independence and Fluency Rationale: An important step in reading fluency is being able to read faster. Reading fluently means reading is fast, smooth, and has expression. A way increase reading fluency is to read and reread a text in order to familiar with the words in the passage. When a chil...
Name of teaching resource Teaching in a Digital World – Prezi Who should this digital teaching resource be used with? This resource is designed for a classroom of year three students. How should it be used? This resource could be built to educate children in any classroom. It could be used in any grade as it can be aim...
Volume or capacity is one of the characteristics of a substance or body in space. The unit of measurement of the volume are cubic centimeters, cubic meters or liters, in the English system of units, the volume is also measured in gallons and barrels. The method of measuring the volume depends on the shape of the object...
By Leslie Grady If you take a quick look at the global temperature record over the past 15 years, you’d think that global warming has stopped, or at least slowed drastically, and that burning fossil fuels isn’t a problem. But you’d be wrong. The atmosphere isn’t warming as fast but the planet is still warming, with mos...
A brief history The term Siletz is an umbrella for approximately 30 small bands, numbering 15,000 in all, that existed for thousands of years on or near the coast of northern California and up to southern Washington. Larger tribes from south to north were the Cheteo, Shastacosta, Makanontni, Tututini, Joshua, Six, Take...
In early times, astronomy only comprised the observation and predictions of the motions of objects visible to the naked eye. In some locations, such as Stonehenge, early cultures assembled massive artifacts that possibly had some astronomical purpose. In addition to their ceremonial uses, these observatories could be e...
NEWPORT, Ore. – The Axial Seamount, located some 300 miles off the Oregon Coast, has become one of the most intensely studied volcanoes on Earth – and it may provide clues to better understand how and when terrestrial volcanoes erupt. Three new papers published this week detail the workings of the most active undersea ...
Ancient Greek language Ancient Greek refers to a group of dialects used between approximately the 9th century BC and the 9th century AD. It adopted its current alphabet, the Greek alphabet, approximately around 800 BC, being an adaptation of the Phoenician alphabet, thanks to trade between Greece and Phoenicia. The mos...
As a special education teacher, I am constantly trying to create an environment for my students with learning differences that is personalized, differentiated and yet as close to their peers’ experience as possible. In this inclusive classroom, all students work and collaborate throughout the day as much as possible. T...
How to help keep your brain cells healthy while most of those around you are loosing theirs. We all loose thousand of brain cells a day during adulthood. Fortunately we start with a 100 billion – so we should all still have a few left by the end of the day. Whilst the volume of our grey matter peaks about 7 years old, ...
Probability is used to find the number of occurrence of an event out of possible outcomes. Probability should always lies between 0 and 1. Single-event probability is used to find the probability for a single event that occurs for an experiment. For example, consider tossing a coin, we will get single event (either hea...
Bacteria have been long regarded as something, only capable of giving rise to infections and diseases. The misconception might soon change. Thanks to the fervent efforts of students from The University of Texas at Austin and UCSF who have created the first-ever bacterial photographs. An intercollegiate Genetically Engi...
Using Google Earth For this project you will research a region of France. You will be divided into small groups or "home" groups of four or five students each. Each "Home" Group will be responsible for geo-tagging at least four specific, unique highlights of the region assigned. Each member of the group will be assigne...
The Amazon, the world’s largest river, used to be a large wetland connected to the Caribbean until 14 million years ago, when the uplift of the Andes mountains caused an enormous change in continental drainage, blocking westward flow, creating the river as we know it today formed, flowing into the Atlantic Ocean. Accor...
Flash CS4 Resources Basics of regular expressions Introduction to using regular expressions A regular expression describes a pattern of characters. Regular expressions are typically used to verify that a text value conforms to a particular pattern (such as verifying that a user-entered phone number has the proper numbe...
In the early years of the 17th century, Italian composers (including Jacopo Peri, Claudio Monteverdi and Francesca Caccini) developed a style of music called monody, in which a singer's elaborate melody would be accompanied by one or more instruments playing a rhythmically independent bass line with added improvised ha...
and, in case you thought this wasn't relevant to today's lecture: The Footprints of Winter - Epigenetic marks laid down during the cold months of the year allow flowering in spring and summer. Many plants that grow in climates with a cold winter require growth for several months at low temperatures—a process called ver...
Strep throat is the most common of bacterial infections that cause sore throat. It accounts for about 5% - 15% of all sore throats in adults and 20% - 30% in children. It's called "strep" throat because the bacterium that causes it belongs to the class known as group A streptococcus (GAS). The initials GAS are sometime...
It appears that North America and Asia are on a collision course to link up as a single, unified supercontinent in the next hundred million years, according to new research from Yale geologists — but not in quite the same way other scientists have predicted. The findings are published in the journal Nature. Here's a qu...
- Education and Science» - History & Archaeology» - History of the Americas The Hessian Mercenary and the United States. During the American revolutionary War, the Colonists who settled the Thirteen Colonies of America rose up to demand an end to the abuses by the Crown. The subjects who lived in the new world where a ...
Annie Besant was a prominent Theosophist, social reformer, political leader, women’s rights activist, writer and orator. She was of Irish origin and made India her second home. She fought for the rights of Indian and was the first woman president of Indian National Congress. Annie Besant was born as Annie Wood on Octob...
To understand how cartesian coordinates are used on maps and in mathematics to describe locations and linear equations. Also to understand the relationships between co-ordinates that are reflected across the x and y axis. Students will be able to draw up a cartesian plane, correctly locate and plot coordinates on the p...
Tuesday, September 25, 2007 The Kelvin-Helmholtz mechanism is an astronomical event that occurs when the surface of a star or a planet cools. As a result of this cooling, the pressure drops, and the star or planet compresses to compensate. This compression, in turn, heats up the core of the star/planet. This mechanism ...
Here begins our series of articles on the History of Christmas. The Advent Season — Advent means the “coming” of the Christ Child — is marked by the four Sundays before Christmas and is celebrated in the church calendar as one the most festive seasons of the year. As we shall see, many of the traditions, customs, and s...
In spring 1592, Japanese ships landed in Busan, Korea, intending to invade the country and find passage to China. This was the beginning of the Imjin War, or Seven Years War, between Korea and Japan, and the beginning of a difficult relationship between the two East Asian countries. In the late 1800s, Japan was an emer...
Rain is so closely studied by meteorologists that it’s easy to imagine that it long ago gave up its secrets to science. Not so. Rain drops are not fully understood and perhaps their greatest secret is how they form. Meteorologists know the general details, of course. As water vapour rises, it cools to form a fine mist ...
In 1901, Australia became a constitutional democracy with the formation of our federation. This meant that people formally became a part of the decision-making process. In a democracy such as ours, it is essential that people have a good understanding of how the system of government works. This section outlines some of...
Rubella is a viral disease that causes fever, rash and swollen glands. Illness is usually mild, but if a woman gets rubella during pregnancy, it can cause miscarriage, stillbirth or birth defects in her unborn child. Rubella is more common in winter and spring. A person can get rubella at any age. In the United States,...
PASADENA, Calif.--The surface landscape of Mars, divided into lowlands in the north and highlands in the south, has long perplexed planetary scientists. Was it sculpted by several small impacts, via mantle convection in the planet's interior, or by one giant impact? Now scientists at the California Institute of Technol...
is a cephalopod of the order Octopoda that inhabits many diverse regions of the ocean, especially coral reefs. The term may also refer to only those creatures in the genus Octopus . In the larger sense, there are around 300 recognized octopus species, which is over one-third of the total number of known cephalopod spec...
Lesson 1 (from Chapter 1) The Death of Superman is a graphic novel featuring several editions of separately published works. This lesson is about the concept of a graphic novel, how it is compares to other forms of literature, and why it was chosen to present this chapter in the Superman saga. 1) Class Discussion: What...
At the center of the Sun lies its core, where hydrogen fuses into helium, creating energy. The core is estimated to be about 280,000 miles (450,000 km) in diameter. The core of the Sun is the only location in the Sun that produces a significant amount of heat through fusion. From the core out, there is the radiative la...
Scientists have one more reason to think an asteroid strike wiped out dinosaurs 65 million years ago. That reason: the discovery of young Triceratops bones in Montana. Young, in this case, is still tens of millions of years old. But the fossils, either from a Triceratops or a Torosaurus, were discovered in a relatively...
“Students must connect new knowledge to previous knowledge in order to learn.” ~ Ambrose (How Learning Works. 2010) Why are login passwords so hard to remember? Because eight-character strings of digits, symbols, and letters do not carry inherent meaning. Our minds cannot hold on to meaningless or arbitrary information...
An Introduction to String Functions in Python 3 Python has several built-in functions associated with the string data type. These functions let us easily modify and manipulate strings. We can think of functions as being actions that we perform on elements of our code. Built-in functions are those that are defined in th...
Dinosaurs were in decline for tens of millions of years before the Earth was struck by an asteroid, ending their dominion over the planet. What was killing off dinosaurs near the end of their reign? Scientists previously thought that dinosaurs evolved from their smaller ancestors over a period of at least 10 million ye...
Paris Climate Talks Outcomes Over 13 days in December, representatives from 196 countries gathered in Paris to negotiate a universal agreement on climate, commonly referred to as COP21. The resulting Paris climate pact forms a first ever commitment by 195 nations to take concrete actions to reduce carbon emissions in o...
This lesson is on the cardiac conduction system and covers: About 1% of the cells of the heart are apart of the cardiac conduction system. This group of cells are self-exciting and produce electrical signals, or electrical impulses, that stimulate heart contractions. They act as a pacemaker, and drive our heart contrac...
When you pick up an item from the floor and place it on a desk, you are applying a force onto that object and displacing it. In other words, you are doing work on it and allowing the object to gain energy. If the object is moved at a constant speed then it is not gaining kinetic energy (energy of movement) but is gaini...
About Right Whales Right whales are the rarest of all large whales. There are several species, but all are identified by enormous heads, which can measure up to one-third of their total body length. These whales' massive heads and jaws accommodate hundreds of baleen “teeth.” Rights and other baleen-feeding whales use a...
The Remainder theorem, sometimes called the Little Bezout theorem states the following: If is a polynomial function, then the remainder of when divided by is equal to . Say we wanted to find the remainder of divided by . We evaluate which gives 1. The other way to find the remainder would be by polynomial long division...
A blog by the staff of the Thomas Ford Memorial Library What forces shaped the culture, politics, and economy of the American South? The factors were many – it was not one man’s doing – but NPR correspondent and author Steve Inskeep suggests that one particular man in the early 19th century played a key role in a strug...
Definition: In maths, an array refers to a set of numbers or objects that will follow a specific pattern. An array is an orderly arrangement, often in rows, columns or a matrix. Arrays are used in multiplication and division as it shows a great visual to show how multiplication can be shown as repeated addition and div...
2008 ozone hole larger than last year The 2008 ozone hole – a thinning in the ozone layer over Antarctica – is larger both in size and ozone loss than 2007 but is not as large as 2006. Ozone is a protective atmospheric layer found in about 25 kilometres altitude that acts as a sunlight filter shielding life on Earth fr...
This topic gives an overview of; Look at the following patterns of dots. Think of similar other situations in which two algebraic expressions have to be multiplied. Ameena gets up. She says, “We can think of area of a rectangle.” The area of a rectangle is l × b, where l is the length, and b is breadth. If the length o...
America and Canada are both distinguished countries, but what important factors separate and bring the two together? At first glance, America and Canada share many similarities because they are geographic neighbors. However, the two countries also have many differences as well. In Margaret Atwood’s, A View from Canada,...
On Christmas Day in 1879 the combination of fog and smoke was so dense over London that it was virtually dark at noon. Nowadays, with many people staying at home and fewer vehicles on the road, the ambient air quality on Christmas Day is typically very good. However air in the home may be at its worst. On Christmas, in...
By the late 10th century, Europe and the Middle East were divided into Christian and Muslim spheres of influence. Christian pilgrims from Europe regularly visited Muslim-controlled Jerusalem in reasonable safety. Such pilgrimages were very popular. The were believed to be one of the major acts by which a person could r...
Write the Sight Words: "Live" Does your child need practice memorizing sight words? This worksheet will help your child learn the sight word "live" by having him trace the different letters and then write the word in a sentence. After he finishes this worksheet he will have used the sight word in a complete sentence an...
Presentation on theme: "Chapter 11 Slavery and the Old South Nash, Jeffery. The American People, 6 th ed. Pearson Longman. Nash, Jeffery. The American People, 6 th ed. Pearson."— Presentation transcript: Chapter 11 Slavery and the Old South Nash, Jeffery. The American People, 6 th ed. Pearson Longman. Nash, Jeffery. Th...
Now researchers suggest that by resurrecting ancient enzymes they could estimate the temperatures in which these organisms likely evolved billions of years ago. The scientists recently published their findings in the journal Proceedings of the National Academy of Sciences. "We need a better understanding of not only ho...
The idea that Mars once had oceans is a controversial one: It's been proposed before, and formations that look like shorelines have been found in images from a variety of spacecraft. Now scientists, after analyzing data from the European Space Agency's Mars Express mission, have concluded that the northern plains of Ma...
In a study to compare different types of gestures at comparable stages of communicative development, psychologists who analyzed video footage of a female chimpanzee, a female bonobo and a female human infant found remarkable similarities among the three species. This is the first time such data have been used to compar...
View of Earth’s major lithospheric plates The theory of plate tectonics is a unifying theory that helps explain many seeming unrelated geologic phenomena. The theory states that Earth’s lithosphere is broken into numerous slabs or plates which are in constant motion driven by heat flow from within the Earth’s interior ...
Students will watch a DVD which focuses on why we are losing billions of tons of soil each year to erosion and what we can do to prevent our soil from polluting our waterways. Students will then participate in a soil identification activity where students will compare the properties of various soils. Roanoke Valley’s s...
Mathematical Archaeoastronomical Theories (A) Calculation of declination with the Stonehenge Geometry accounts for the well-known alignment of Stonehenge. As mentioned, the Sun rises over the Heel Stone, as viewed from the center of the site, at the summer solstice. This can easily verified, referring to the above figu...
Physics Notes on Conservation of Linear Momentum Linear momentum is a vector quantity because it equals the product of a scalar quantity m and a vector quantity v. Its direction is along v, it has dimensions ML/T, and its SI unit is kg.m/s . If a particle is moving in an arbitrary direction, p must have three component...
Statistics/Different Types of Data Data are assignments of values onto observations of events and objects. They can be classified by their coding properties and the characteristics of their domains and their ranges. Identifying data type When a given data set is numerical in nature, it is necessary to carefully disting...
In the mid-1700s, a group of workers in the textile mills of Rochdale, England were faced with a strange situation: they had just gone on strike in protest of dangerous working conditions and unfair wages, but it failed. It was during the Industrial Revolution, and those who had more money oversaw the quality of food a...
Volume and Surface Area of a Rectangular Solid The volume is the space that a figure occupies so to find the volume of a rectangular solid multiply the length times the width times the height of the rectangular solid. Length times width is the area of the base and that is stacked on top of itself to fill up the solid w...
Dirk Schulze-Makuch and David Darling, We Are Not Alone: Why We Have Already Found Extraterrestrial Life. Oneworld, 2011 The title is somewhat misleading, as we have not (yet) found extraterrestrial life but only some, hotly disputed, evidence suggestive of the existence of microorganisms on the planet Mars. The search...
BepiColombo is on its way to Mercury, but for some reason that brings it back to Earth. On 10 April 2020, BepiColombo will make a flyby of Earth, coming within just a couple of thousand kilometres of our planet’s outer atmosphere. Why? The spacecraft needs to shed ‘orbital energy’, and it will use our planet’s gravity ...
Battle of Kettle Creek February 14, 1779 - Wilkes County, Augusta The Battle of Kettle Creek was fought during the American Revolution on this day in 1779. 600 loyalists from Georgia and the Carolinas were camped on the creek, which flows into the Little River in Wilkes County, Georgia’s backcountry in those days. The ...
Stem Cell Hall of Awards In the late 1800s, a German scientist named Hans Driesch separated the cells of a two-celled sea urchin embryo. He shook it apart, put them in a careful environment and watched as each cell developed into a new embryo and eventually into a new sea urchin, thus creating twins. Ernest McCulloch a...
And New Drugs The body fights disease by generating antibodies that bind to invading organisms. The body can make different antibodies by shuffling and reshuffling their constituent parts, but it can’t make a special antibody each time it is faced with a new pathogen. So it uses only the antibodies that will work best ...
If we have a detector on earth of 1 m^2, one can measure something called the “solar constant” or “apparent brightness” which is called “b_sun” ‘b’ as in brightness, a measure of the flux of energy per square meter of detector on earth. b_sun = 1361 W/m^2 that is the intensity of the sun’s radiation in the vicinity of ...
We have been having a lot of fun with cuisenaire rods in Kindergarten! The last time I was with this class, they explored ways to build the orange rod using the other lengths. As the students worked, I heard a lot of “A white and a blue make an orange.” and “Two yellows make an orange.” After reading the beginning port...
The worksheets on this page are all about color words or names. No where does the child have to rely on memory to know how to spell a color word, all of the words are present on the worksheets. The work here might help the child learn to recognize the color names. Side-themes are shapes and simply color theory. Trace C...
TLS and Web Certificates Explained TLS and Web Certificates Explained How Transport Layer Security (TLS) works, as well as the differences between untrusted and trusted web certificates. Join the DZone community and get the full member experience.Join For Free TLS stands for 'Transport Layer Security' and it's basicall...
History of Canada Canadian history does not begin with the arrival of European explorers over 500 years ago; people have been living in the country that we now call Canada for thousands of years. Canada’s original inhabitants Centuries before Europeans began to settle in North America, explorers who came here found thr...
Ancient Egyptians have a great history of achievements and successes: how they conquered the world, and succeeded in many fields, like agriculture, architecture, and medicine. Not only have they proved themselves in professional fields, but they also followed a well-planned hierarchy that guaranteed civil rights for al...
After a decade of research, an international team decoded the genes of the tsetse fly – the transmitter of trypanosomiasis, or sleeping sickness. Human trypanosomiasis is a widespread tropical disease in Africa and can be fatal if not treated. Treatments are limited, but new knowledge of the tsetse fly, which carries t...
Scientists believe that global sea levels could rise far more than predicted, due to accelerating melting in Greenland and Antarctica. The long-held view has been that the world’s seas would rise by a maximum of just under a metre by 2100. This new study, based on expert opinions, projects that the real level may be ar...
This can be separated into three components, each of them transported by another mechanism (see figure): - dissolved load: ions, molecules and atoms emanating from the solution of solid substances. These are carried in solution. - suspended load: solid particles which are small and light enough to be held in suspension...
Fictional stories are used in both schools and at home to pique children’s interest and transport their imaginations into other worlds and adventures. While most children relish the chance to read books independently from a variety of genres, they also enjoy listening to the careful weaving of plots and intrigue delive...
Euclidean space geometry: scalar product, norm and distance Learning this material has spillover effects for Stats because everything in this section has analogs for means, variances and covariances. Definition 1. The scalar product of two vectors is defined by . The motivation has been provided earlier. Remark. If mat...
What are all of the possible meanings of the rose in this collection? Analyze all instances of its appearance in the collection. Describe the political climate in which this collection was published. Was Irish nationalism a viable political force at the time? Which poems bear on Yeats's relationship with Maud Gonne? Wh...
The students will become junior geologists as they explore the world of the Earth’s crust, rocks, minerals, and landforms. Our junior geologists investigate the layers of the earth, their properties, and how and why they formed. Students then learn the difference between rocks and minerals. They learn how the three mai...
We hear different sounds from different vibrating objects because of variations in: - Sound-wave frequency - A higher wave frequency simply means that the air pressure fluctuates faster. We hear this as a higher pitch. When there are fewer fluctuations in a period of time, the pitch is lower. - Air-pressure level - Thi...
Every sentence in the English Language is a systematically arranged group of words. Each word in a sentence performs a specific function. In this chapter, we are going to learn the functions of ‘noun’ in a sentence. Meaning of Noun: Noun is a word or a group of words that shows the name of a ‘thing’. Here, ‘a thing ’ i...
The scientific definition of distance describes the length of a line between two points, or how far apart two objects are. The scalar measurement uses the curved line of the path between two locations as opposed to a vector, or straight line which begins and ends with '0.' Distance is the scalar measurement of a length...
Compression refers to the region of a longitudinal wave where the particles are closest to each other, while rarefaction refers to the region of a longitudinal wave where the particles are farthest apart from each other. This basic foundation of a longitudinal wave, including compression and rarefaction, differs from o...
Elementary Idea of Inflation Inflation is often defined in terms of its supposed causes. Inflation exists when money supply exceeds available goods and services. Or inflation is attributed to budget deficit financing. A deficit budget may be financed by the additional money creation. But the situation of monetary expan...
In historiography, the Western Roman Empire consists of the western provinces of the Roman Empire at any one time during which they were administered by a separate independent Imperial court, coequal with (or only nominally subordinate to) that administering the eastern half. Both "Western Roman Empire" and "Eastern Ro...
What Happens Next? What to do: - Read a story to children, stopping short of the ending. - Have children draw how they think the story ends. - Ask children to share their pictures with a small group (younger children) or the whole class (older children) to see the variety of endings they invented before the rest of the...
Understanding Animations and Films Through a Deeper Cultural Understanding Sound for Multimedia Activity Description: Provide a brief description of the activity Students are to choose the following: 1. An animation scene that has the original language used with English subtitles and with a version with English languag...
Steam trains get their power by burning coal in a firebox. This heats up water in a boiler, making steam. The steam drives a piston to and fro and the piston turns the wheels via connecting rods and cranks. It takes about three hours for the crew to get up enough steam to get a locomotive moving. Coal and water are oft...
Recent study sheds new light on the environmental conditions necessary for sand wedge formation. Sand wedges are cold-climate features formed by the repeated infilling of ground thermal contraction cracks by sand. They are commonly considered akin to ice wedges, which form by the refreezing of surface melt waters into ...
Modern robotics (as, in fact, in any electronics), there is one drawback: its operation requires a high-capacity battery or a permanent connection to the power source through the wire. But a group of researchers from the University of Washington has created a robot without wires and bulky batteries. The robot, called R...
This video covers Lewis dot structures of single atoms, as well as how to calculate the number of valence electrons using the periodic table. There are two slightly different methods of writing these. I cover both, but before your first quiz you should as your teacher exactly how they want these single-atom Lewis dot s...

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