Lesson Plan
Beyond Benign

Exothermic and Endothermic Reactions

For Teachers 9th - 12th Standards
How can you tell the difference between endothermic and exothermic reactions? Chemistry scholars perform and observe two chemical reactions, measure the temperature throughout, then draw conclusions about changes in energy from their...
Lesson Plan
Science 4 Inquiry

Enzymes in Action

For Teachers 9th - 12th Standards
Enzymes play a role in almost every function in the human body. Scholars explore three variables related to the use of enzymes. They observe a catalase reaction, experiment with substrates, and examine reactions rates.