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Lesson Plan
Curated OER

Matter and Energy

For Teachers 9th - 12th
Does the change in energy of matter lead to a change in mass? Upcoming chemists compare the mass of equal-volume, but different-temperature liquids and materials both before and after a chemical reaction has occurred. In another...
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Lesson Plan
Curated OER

Density Lab Activities

For Teachers 6th - 9th
Students participate in several density lab activities in order to clarify the misconceptions that solids sink and liquids float. Students work with triple beam balances to find mass of objects to calculate density.