What is Matter?
In this matter worksheet, students answer 6 questions about matter. Students distinguish between homogeneous and heterogeneous mixtures, they identify elements and compounds and they distinguish between pure substances and mixtures.
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Theory of Everything: What is Matter?
Ever wonder why matter, well, matters so much? In the follow-up to the Theory of Everything video, pupils discover how the Pauli Exclusion Principle, which governs electron behavior, ultimately dictates how matter throughout the universe...
2 mins 9th - 12th Science
What is Dark Matter and Dark Energy?
All matter in the universe only adds up to five percent of the universe — the video explains the other 95 percent. It describes what we know about dark matter and dark energy. With more to learn, scientists share the excitement of their...
6 mins 9th - Higher Ed Science CCSS: Adaptable
What is Heat? -Heat vs. Temperature
What is the difference between heat and temperature? By examining the properties of wood, metal, and plastic, high school chemists explore the concept of heat vs. temperature. Ensure that your high schoolers are following the procedure...
9th - 12th Science CCSS: Designed