Gravity Quiz

What is gravity?

• A force that makes everything spin around the Earth

• A force that pushes everything away from the Earth

• A force that makes everything fall towards the Earth

• A force that makes everything float in space

What does mass refer to?

• The size of an object

• The color of an object

• The weight of an object

• The amount of matter in an object

What is the difference between mass and weight?

• Mass and weight are both constant

• Mass never changes, weight can change

• Weight never changes, mass can change

• Mass and weight are the same thing

What causes ocean tides?

• Gravitational pull of the Earth

• Gravitational pull of the sun

• Gravitational pull of the planets

• Gravitational pull of the moon

What does gravity keep around the Earth?

• Clouds

• Rocks

• Water

• Atmosphere

Who discovered the law of universal gravitation?

• Galileo Galilei

• Albert Einstein

• Nikola Tesla

• Sir Isaac Newton

What did Sir Isaac Newton realize when he saw an apple fall from a tree?

• There was a force at work

• The apple was pushed by the wind

• The tree was pulling the apple down

• The apple was falling sideways

What did Albert Einstein discover about gravity and light?

• Light is not affected by gravity

• Light and gravity are unrelated

• Gravity pulls on light

• Gravity pushes light away

What is the strongest gravitational pull in the universe?

• Supernovas

• Neutron stars

• Galaxies

• Black holes

What happens to the gravitational pull when two objects are closer together?

• It stays the same

• It decreases

• It disappears

• It increases