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Listed under:  Science  >  Scientific inquiry  >  Research questions
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, ...

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For good measure

If you had to measure the rain level for the whole globe, how would you go about it so you could have as accurate a reading as possible? Rain gauges are great for measuring rain in small areas, but why might they not be as good for measuring large areas? Watch this video to see how the Global Precipitation Measurement (GPM) ...

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 ...

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Robot biomimicry

This 9 minute video segment from Catalyst shows how inspiration from the world of animals has helped in the mechanical design of robots and adhesive materials.

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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.