The Royal Observatory Greenwich is the home of Greenwich Mean Time and the Prime Meridian of the World.
They have created a range of resources to help with lesson planning. Many of these resources have a mix of worksheets, videos and teacher guidance.
The activities suitable for key stage 2 students cover moons (including the Moon), our solar system, magnetism, shadows and the spinning Earth.
This short video and accompanying worksheet explains where asteroids and meteoroids come from, what they are made from and how they may sometimes fall to Earth. It also looks at how comets are formed and the role they may have played in bringing water to Earth.