Teacher Demo: Convection

This demo models how convection occurs in the atmosphere and hydrosphere by showing what happens at the interface of a hot fluid and a cold fluid. This simulates what happens when cold and hot air masses meet, as well as why/how the ocean regulates climate.

Teacher Demonstration: Plant Tropisms

This student activity illustrates how plants grow away from or towards a stimulus by continuing cell growth and elongation on one side of the stem while ceasing cell growth and elongation on the opposite side of the stem. This connects to the curriculum by allowing...

Teacher Demo/Student Activity: Disappearing Beaker

This demonstration will amaze and astound! As you pour vegetable oil into a small Pyrex beaker placed inside a larger Pyrex beaker, the smaller beaker will magically disappear! It could be a teacher demo or a student activity.

Student Activity: Investigation of Leaf Stomata

This short student activity enables students to experience creating their own microscope slide and to practice using a microscope. The activity reinforces the necessity of finding and focussing on a sample under the microscope first under low power before increasing...
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