Wholly for your enjoyment, we’ve included several hole-related questions in this quiz. Don’t peek at the answers, or your victory might seem …. hollow!


Congratulations! You\’re a real science whiz!

Oh dear! Better brush up before the next quiz!

#1. What is the largest confirmed crater in the Solar System?

The Utopia basin is about 3300 kilometres wide, making it about half as wide as Mars itself!

#2. Ignoring the ankle and foot, how many bones are there in a typical human leg?

There is one thigh bone (femur), a shin bone (tibia) and a bone running behind it called the fibula or calf bone, and a kneecap (patella).

#3. In 2016, scientists announced that something was happening to the ozone hole over the Antarctic. What was it?

The ozone hole has been slowly healing since the 1990s, but it may take more than 50 more years to heal completely.

#4. Which element makes up most of the weight of polystyrene?

Polystyrene contains equal numbers of hydrogen and carbon atoms, but carbon atoms are a lot heavier than hydrogen, so they make up a lot more of the weight.

#5. What is the name for the region around a black hole that nothing can escape from?

The event horizon is the point of no return around a black hole, which nothing can escape from.

Was I right?


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


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