G4.5.2 (3) GRAVITY AND SATELLITES

1. a. What is a natural satellite?

1. a. What is a natural satellite?

A natural satellite is a body in space that orbits a larger body

b. Give an example.

a. What is an artificial satellite?

An artificial satellite is also a body in space that orbits a larger body, but it is made by people

b. Give an example.

A satellite that is not a natural body like the Moon but an object made by humans.

• gravity

• artificial

  satellites

A pulling force.

• gravity

• artificial

  satellites

9. Explain why you drew one arrow thicker than the other.The Earth is bigger than the satellite.

This means the Earth exerts a greater force of gravity on

the satellite than the satellite exerts on the Earth

• false

• true

10. What type of satellite is shown on the diagram?

11 What launches the satellite into space?

12. Why is it necessary for the satellite to travel at over

37600km/h when it leaves the surface of he Earth?

13. When the satellite travels at 27200km/h, what path does it follow?