The shape and size of shadow depends on distance and angle to the light source. Multiple light sources cast multiple shadows. 00:49 - pause the video ... how we can use science equipment to ...

All three of these astronomical alignments provide astronomers with opportunities to study our solar system and galaxy. And, all three involve shadows! What’s the difference between the three, you ask ...

This video works as an introduction to the topic or as a refresher. It's a great way to get pupils physically active while they learn too. KS2 Science: The Solar System from the TARDIS.