Do you know what a meteor is, or what scientists mean when they are talking about cryogenics? Our collection of science terms explains the meaning of some of the most common scientific ideas. Are vampires real?
Switching Between Everyday and Scientific Language
What is an out-of-body experience? Are crop circles proof that aliens exist? HowStuffWorks explores what is real and what is urban legend with this collection of Science Versus Myth articles. Many of us take public transportation or fly in airplanes on a regular basis, but have you ever wondered how all of these things work? This collection of transportation articles help explain how people get from place to place.
Carbon Capture-to-fuel Is Here September 22, September 21, Scientists Have Devised a Revolutionary Way to Redefine the Kilogram Researchers have come up with the most precise determination of Planck's constant ever, making it possible to reframe the idea of what a kilogram even is. Science Solves the Problem of the Stingy Shampoo Bottle If you care about lost shampoo, you're going to be doing hair flips of joy when you read about what's in store for future plastic shampoo bottles.
How Dyson Spheres Work. What's the Baader-Meinhof phenomenon? Cobalt: Essential for Batteries and Bright Blues. September 22, September 20, Although much has been discovered recently about dinosaurs, there is still a great deal more to learn about our planet and its ancient inhabitants. Diamond may well be the world's most versatile engineering material as well as its most famous gemstone. The superiority of diamond in so many diverse industrial applications is attributable to a unique combination of properties that cannot be matched by any other material.
For example, diamond is the strongest and hardest known material and has the highest thermal conductivity of any material at room temperature. Diamond that does not meet gem-quality standards for color, clarity, size, or shape is used principally as an abrasive, and is termed "industrial diamond.
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Synthetic industrial diamond is superior to its natural diamond counterpart because it can be produced in unlimited quantities, and, in many cases, its properties can be tailored for specific applications. Glaciers are made up of fallen snow that, over many years, compresses into large, thickened ice masses. Glaciers form when snow remains in one location long enough to transform into ice. What makes glaciers unique is their ability to move. Due to sheer mass, glaciers flow like very slow rivers.
Some glaciers are as small as football fields, while others grow to be over a hundred kilometers long. Presently, glaciers occupy about 10 percent of the world's total land area, with most located in polar regions like Antarctica and Greenland. Glaciers can be thought as remnants from the last Ice Age, when ice covered nearly 32 percent of the land, and 30 percent of the oceans.
An Ice Age occurs when cool temperatures endure for extended periods of time, allowing polar ice to advance into lower latitudes. For example, during the last Ice Age, giant glacial ice sheets extended from the poles to cover most of Canada, all of New England, much of the upper Midwest, large areas of Alaska, most of Greenland, Iceland, Svalbard and other arctic islands, Scandinavia, much of Great Britain and Ireland, and the northwestern part of the former Soviet Union.
Gold is a gleaming symbol of California's bounty and wealth. It was the lure, the promise of California for hundreds of thousands of argonauts who overwhelmed California during the Gold Rush. Gold unleashed the forces that rocketed California to immense growth and development.
Science News for Students
It sparked a swirl of hopes and dreams, myths and legends, contributions and conflicts. But the legacies of the Gold Rush are complex--sometimes triumphant, sometimes troubled. It what seemed the blink of an eye, California's first people were overrun by a world rush.
Miners saw nature as a force to be overcome to get at the golden treasure. Other rushes followed gold: agriculture, oil, real estate, motion pictures, military industry, computers. California became the nation's industrial, agricultural, and population leader. But the bounty and beauty of the region have paid a price for these achievements.
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The scales have not always been balanced. Immigrants still come, but the gold they seek is mostly metaphorical; not precious metal but opportunity. Yellowstone National Park is home to some 10, thermal features, over hundred of which are geysers. In fact, Yellowstone contains the majority of the worlds geysers. Within Yellowstone's thermal features can be seen the product of millions of years of geology at work.
Much of Yellowstone sits inside an ancient volcanic caldera the exploded crater of a volcano. The last major caldera forming eruption occurred , years ago. This brief video looks at the many ways science impacts our lives.
Once students have watched the video, hold a class discussion with them to go over their thoughts about the video. Talk about the examples from the video and help students identify the related science. You could ask them questions like:. Middle and high school students who are interested in the historical aspects of how science has changed lives over time may find the comparisons as they relate to health care alone illuminating. We offer a comparison between the s and the 21st century on pages of the book Your Health: The Science Inside.
In this part of the lesson, students should engage in an activity that will help them identify and understand the role that science has played in their lives. To begin, break your class up into groups of five students. Elementary For elementary school students, you may want to do this part as a class activity.
Record their examples under the categories. We have provided some examples for you on the Science in My Life teacher sheet. Then, as a class, you could narrow down the choices to ones that students could work on in groups.
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For K-2 students, they could discuss how the product or discovery has impacted their lives. They also could talk to their parents or caregivers about the product or discovery to get some more information about it. For students, they should conduct some research on the topic they chose to address the questions on the student sheet:.
Once students have listed their examples, they should narrow down the list to the three most important to them personally. Then they should choose one of these to focus on. They should conduct some research on that topic to address these points on the student sheet:. Elementary For K-2 students, they should do a drawing of their topic.
Once they have finished their drawings, they can share them with the class and explain how the product or discovery has impacted their lives. You also could take the finished drawings and hang them up around the room. For students, they can use the student sheet to create an infographic, poster, or PowerPoint. Once they have finished their projects, they should present them to the class, explaining how the product or discovery has impacted their lives.