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How fast do you fall? A quick quiz

By David, 24 April 2019 Quiz

From objects in free fall to the fall of the dinosaurs, we’ve got some tricky teasers for you today. Hope you don’t trip up!

#1 If you drop a hammer off a tall building, how fast will it be falling after one second?

Gravity accelerates objects at about 9.8 metres per second every second, and 9.8 metres per second is about 35 kilometres per hour.

#2 Where in the Solar System is Charon?

Charon is Pluto’s biggest moon.

#3 How many legs does a silverfish have?

Silverfish are insects, so they have six legs.

#4 What’s the elemental symbol for potassium?

Potassium was sometimes called kalium, so its symbol is K.

#5 The extinction that killed off the dinosaurs happened at the end of which geological period?

Dinosaurs emerged during the Triassic and went extinct at the end of the Cretaceous, although birds are descended from dinosaurs and are still with us today!

Was I right?

Results

Congratulations! You’re a real science whiz!

Oh dear! Better brush up before the next quiz!

If you’re after more fun science for kids, subscribe to Double Helix magazine!

 

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