Northern Ireland Key Stage 1

A solar eclipse happens when the Moon passes between the Earth and the Sun. The Moon stops the Sun’s light from reaching the

Have you noticed the Moon is brighter some nights than others? And it looks like the Moon changes shape? We call these changes the phases of the Moon.

An Orrery is a moving, mechanical model of the Solar System. It shows how all of the planets orbit around the Sun.

Comets are large balls of ice, rock and dust but you can think of them as large dirty snowballs that travel through the Solar System. 

Impact craters are made when a space rock (called a meteorite or asteroid) hits a rocky planet or moon. The impact makes a round hole in the surface, called a crater.

In the UK, we experience 4 seasons each year. These are Spring, Summer, Autumn, and Winter. But why do we have seasons? 

This animation shows you why we have seasons. Watch carefully what happens and read the words that appear on the screen.