Did you know it’s possible to turn milk into plastic? All you need to do is warm it up with a little bit of vinegar. This would make a good exploration when looking at chemical changes. It’s called Casein Plastic, and in the early 1900’s it was a...
Ask someone to make a paper plane and usually they’ll make a paper dart. These fly well, but there are lots of other ways you can produce a plane from paper. If you strictly want to just use a single piece of paper, then try the ring flyer. If you want to bend...
