Bubble investigation

Which bubble blower makes the best bubbles?

We made a solution with washing up liquid, glycerin and warm water. Then we made wands with pipe cleaners and bubble blowers with with straws and string, plastic cups and cardboard cups. We wanted to see which bubble blowers made the best bubbles. We discovered that cardboard cups
make the biggest bubbles.

What happens to plastic when you recycle it?

We visited Wallsend recycling centre to see how plastic is recycled. The large plastic items from industrial pipes to children’s toys were shredded into smaller and smaller pieces until they were less than half a square centimetre. Then they were sorted into two different types of plastic. Finally the tiny pieces were bagged up and ready to be made into new items.
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