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...
Here’s a quick idea to help students visualise how the Moon and Earth move relative to the Sun. It can be quite hard for children to understand their motion relative to each other, so a real model that they can move around may help them to grasp the idea. You...