When parts of the Earth face the Sun, it's daytime. When they are in the shade, it's night time. SEYMOUR: Hello, Seymour Science here! As we all know, sometimes it’s day… and sometimes it’s ...

Learn about the force of gravity that pulls all objects towards the Earth. Day and night Learn how day and night happens every day. How do reactions power rockets? Tim Peake and Fran Scott explore ...