How do fingers snap?

It’s friction – and surprisingly fast motion that allows us to snap our fingers. Use this explainer resource to investigate how we can snap our fingers in this resource for Year 4, 7 and 8 students studying forces and energy … Continued

Flirting with the enemy: fish using sharks to exfoliate

Rubbing against the sharks’ sandpaper-like skin might remove parasites and skin irritants for bold fish. Learn about this dangerous relationship observed between sharks and fish in this resource for Year 3, 4 and 6 Biology students learning about features of … Continued