WG Orbiting the Earth

What is the main force that causes objects to fall back to Earth when thrown?

• Magnetism

• Gravity

• Wind

• Electricity

What does mass primarily determine about an object?

• Its resistance to motion change

• Its ability to float

• Its color

• Its temperature

What happens to an object if it reaches escape velocity?

• It moves away forever

• It falls back to Earth

• It stays in orbit

• It stops moving

Why are astronauts weightless in space?

• They have no mass

• They are too far from Earth

• They are in free fall around Earth

• There is no gravity in space

How can gravity affect light, even though light has no mass?

• It makes light heavier

• It changes the color of light

• It bends the path of light

• It stops light from moving