Contributed by Catherine Little.
Students often have a hard time accepting and believing that white light is a composition of many colours of light. In this activity, students construct a homemade colour wheel in order to blend the primary colours together and see white. Click on the link below to download a printer-ready description of this activity
Categories: Gr 9-10 Science
Concept attainment exercises often use verbal or written forms of thought. The attached student exercise uses visual imagery to teach the concepts of Elements, Compounds and Mixtures at the atomic... read more
Categories: Gr 9-10 Science, Gr. 11-12 Physics
How do you measure the distance to something so incredibly far away light a star? Â As you'll see in this video from Scientific American, the math involved is actually quite simple and relies on a... read more
Categories: Gr 9-10 Science, Gr. 11-12 Biology
The amount of air that you move in and out of your lungs while breathing normally is called TIDAL VOLUME. This amount of air provides enough oxygen for a person who is resting. It is possible to... read more
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