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Breaking it down – a quick quiz

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This quiz is all about breaking things apart. From division to composting, see if you can rip and tear your way through this quiz!

#1. Vermicomposting uses what animal to break down food scraps and other organic waste?

Vermicomposting is also called ‘worm farming’ and it uses lots of worms to speed up composting.

#2. Which of the following plastics is the best at breaking down?

Compostable plastics are the only plastics that will break down properly in a home compost heap.

#3. If you use electricity to break water molecules apart, what chemicals do you end up with?

Water is made of hydrogen and oxygen atoms, and if you break it apart with electricity, you get oxygen gas and hydrogen gas.

#4. When you divide one number by another, what is the name for the bit left over that doesn’t divide evenly?

The bit left over after a division is called the remainder.

#5. Bacteria reproduce by splitting into two cells, but what happens to their DNA?

The first step of a bacteria splitting happens when its DNA copies itself. The two copies stick to different sections of the cell wall, and then the cell splits so each part has a copy of the DNA!

Was I right?

Results

Congratulations! You are 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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