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What is the force that pulls objects with mass toward each other?
Gravity
What is a satellite?
An object that orbits a larger body in space
What type of satellite is the Moon?
A natural satellite
What is a human-made satellite called?
An artificial satellite
What force keeps the Moon in orbit around Earth?
Gravity
Why doesn’t the Moon crash into Earth?
Because it is moving forward while gravity pulls it toward Earth
What launches artificial satellites into space?
Rockets
What is the curved path an object follows around another object called?
Orbit
What is the speed and direction an object moves called?
Velocity
What is the Moon?
Earth’s natural satellite
What does gravity do between Earth and the Moon?
It pulls them toward each other
Which object has stronger gravity the Earth or the Moon?
The Earth
What is a space station?
A large artificial satellite where astronauts live and work
What happens if a satellite moves too slowly?
It falls back toward Earth
Why doesn’t Earth crash into the Sun?
Because it is moving forward while the Sun’s gravity pulls it
What is gravitational force?
The pulling force between objects with mass
