1.
A push or a pull on an object. Starting with an F. (5)
2.
The force that pulls things towards Earth. Starting with a G. (7)
3.
A force that slows things down when they touch. Starting with an F. (8)
4.
How much matter something has. Starting with an M. (4)
5.
The pull of gravity on something. Starting with a W. (6)
6.
The invisible gas around us. Starting with an A. (3)
7.
The force that happens when two surfaces rub. Starting with an F. (8)
8.
How fast something moves. Starting with an S. (5)
9.
The star at the centre of our solar system. Starting with an S. (3)
10.
Orbits the Earth and changes shape in the sky. Starting with an M. (4)
11.
The planet we live on. Starting with an E. (5)
12.
The path one object takes around another. Starting with an O. (5)
13.
The invisible line the Earth spins around. Starting with an A. (4)
14.
One of the four parts of the year caused by Earth's tilt. Starting with an S. (6)
15.
The time it takes Earth to spin once. Starting with a D. (3)
16.
When the side of Earth faces away from the Sun. Starting with an N. (5)
17.
Made when light is blocked by something. Starting with an S. (7)
18.
The rise and fall of the sea caused by the Moon. Starting with a T. (4)
19.
Needed to make things move or work. Starting with an E. (6)
20.
When something is moving or changing position. Starting with an M. (6)
