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Activity: Vaccination and Herd Immunity
Categories: Lab/Student Activity
"Our bodies are bombarded by bacteria and viruses. For those that make their way inside, our immune system is on guard, waiting not only to kill the invaders but also to create memory cells that will... read more
Guidelines for Constructive Demonstrations/Activities
Categories: Lab/Student Activity, Teacher Demonstration
The demonstrations/activities in this resource have been designed to challenge students' thinking as well as initiate lively classroom discussions that support constructivist learning. These short... read more
Teacher Demo: Limiting Reagent - Is More Better?
Categories: Lab/Student Activity, Teacher Demonstration
This demonstration/activity introduces students to the concept of limiting reagent in a chemical reaction. Too often, students think that one can produce more product by using larger quantities of... read more