The Earth in Space
The Sun is at the centre of the solar system and provides all our energy, The Earth is a planet in orbit around the Sun (path of the orbit shown by the blue line). The Moon is a satellite in … Continue reading →
Tag Archives: Gravity
Forces
A force is any kind of PUSH or PULL. The unit of force is the newton (N). A force can be measured using an instrument called a force meter (sometimes called a newton meter or spring balance) Using a force … Continue reading →
