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Listed under:  Science  >  Scientific inquiry  >  Evaluation  >  Hypothesis testing
Video

Catalyst: Do heavier things fall faster?

Will a medicine ball or a basketball hit the ground first when dropped at the same time from the same height? In this clip, Catalyst's Dr Derek Muller investigates what influences the speed at which objects fall. Derek challenges some people in a market to make a prediction and explain their thinking, before he finally ...

Video

Experimentals: Do different things fall faster?

Want to find out what happens when you drop a watermelon and an apple from the top of a building? In this clip, Bernie Hobbs and Ruben Meerman, investigate whether the mass of an object influences how fast it falls. Bernie and Ruben ride the 'Giant Drop' at Dreamworld, drop a watermelon and apple from an eighth floor balcony, ...

Video

Mirrors Simulation (sk-Intel)

Students explore the reflection of light by plane mirrors and operate a simple periscope using ray diagrams.

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Lens Simulation (sk- Intel)

Students learn about the application of light refraction by completing a series of tasks based on light refraction using both concave and convex lenses.