Understanding the Pull of Gravity

What is gravity?

• A. A measure of an object's weight

• B. A force that pulls objects toward the center of the Earth

• C. A type of energy transfer

• D. A property of air resistance

What keeps the planets in their orbits around the Sun?

• Magnetic force

• Gravity

• Wind resistance

• Friction

Why does the Sun have a stronger gravitational pull than Earth?

• It is closer to us

• It is larger and more massive

• It rotates faster

• It is made of gas

Which two factors determine the strength of gravitational pull?

• Shape and size

• Distance and color

• Mass and distance

• Volume and speed

Why do stars in other parts of the universe have little gravitational pull on us?

• They are not massive enough

• They are too far away

• They are surrounded by other stars

• They lack gravitational force

What remains constant regardless of the planet you are on?

• Weight

• Mass

• Gravity

• Orbit

What happens to weight as gravitational pull increases?

• It decreases

• It remains constant

• It increases

• It fluctuates randomly

What force prevents humans from floating off into space on Earth?

• Magnetic force

• Gravity

• Friction

• Inertia

Which celestial body exerts the greatest gravitational pull on Earth?

• The Moon

• The Sun

• Mars

• Jupiter

What causes the planets to orbit the Sun instead of drifting into space?

• The Sun’s heat

• The Sun’s gravity

• Magnetic fields

• Air pressure