Category Archives: middle

The Science of Garbage

What do your students know about garbage? Standards-based, 5-day lesson plan from the National Science Teachers Association (NSTA). Learn More 00000

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3M Young Scientist Lab

Discovery Education Young Scientist Lab –  A one stop shop for all things STEM with our new Young Scientist Lab web portal for teachers, students and parents who are seeking a place to explore the world of scientific innovation and … Continue reading

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Why Do Autumn Leaves Change Color?

Scientific American editor Mark Fischetti explains how the leaves of deciduous trees perform their annual chameleon act, changing from various shades of green to hues of bronze, orange and brilliant red. Why Do Autumn Leaves Change Color? Wonderful video on … Continue reading

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TED ED How to visualize one part per million

“Parts per million” is a scientific unit of measurement that counts the number of units of one substance per one million units of another. But because it’s hard to conceptualize really large numbers, it can be difficult to wrap our … Continue reading

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Why the metric system matters

For the majority of recorded human history, units like the weight of a grain or the length of a hand weren’t exact and varied from place to place. Now, consistent measurements are such an integral part of our daily lives … Continue reading

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What is Wind?

Wind is everywhere- the air is constantly moving, sometimes gently, sometimes violently. Find out how pressure, temperature and rotation of the earth come together to make wind. 00000

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Explore the Intricate Life of a Tree

Help students appreciate the critical role trees play in sustaining life on Earth with this interactive from the National Arbor Day Foundation. Did you know that a tree’s rings can provide a record of the environmental factors that affected its … Continue reading

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Fracking fallout: 7.9 million at risk of man-made earthquakes

People in parts of Colorado now face the same earthquake risk as those in California. Government scientists believe these quakes are mostly triggered by human activity, primarily the disposal of waste water as part of oil and natural gas drilling. Learn … Continue reading

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The Sun’s surprising movement across the sky

Suppose you placed a camera at a fixed position, took a picture of the sky at the same time every day for an entire year, and overlaid all of the photos on top of each other. What would the sun … Continue reading

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ESRI Atlas for a Changing Planet

This single story map contains live web maps on a variety of themes – population density, forest cover, bioclimates, sea level rise, temperature, and much more, and thus can serve as a starting point for numerous investigations and discussions in … Continue reading

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