Cornell University
Chemical Reactions
Investigate the Law of Conservation of Mass through a lab exploration. Individuals combine materials to initiate chemical reactions. They monitor for signs of reactions and measure the masses before and after the reactions for comparison.
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GUM: More, Less, or the Same?
Students confirm the law of conservation of matter by weighing chewing gum before and after it is chewed.
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Balancing Bottles
Pupils explore the Law of Conservation of Matter using effervescent tablets. In this mass and energy instructional activity, students investigate how mass is conserved in the reaction of effervescent tablets and water. They will discuss...
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The Chemistry of Ice Cream
In this chemistry of ice cream activity, students investigate colligative properties and how they affect freezing points while making ice cream. Students answer short answer questions to determine if freezing is an endothermic or...
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Photovoltaics and Solar Energy
Students experiment with photovoltaic cells and determine the energy use of their appliances. In this renewable energy instructional activity, students calculate the energy emitted by a photovoltaic cell through an inquiry-based lab....
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Solar
Students study solar energy. In this renewable energy instructional activity students complete several lab activities using different controls and variables.