A fantastic resource to use is https://storytimefromspace.com/ where you can find astronauts broadcasting from the International Space Station (ISS) reading stories and conducting science experiments.
World Book Online's Science Power section also has a great range of earth & Space resources. Access them at https://www.worldbookonline.com/sciencepower/home and use our Username SGPS and password school details.
Tynker Code the Solar System activity https://www.tynker.com/hour-of-code/solar-system