Gravity-CKLA G3 U7 L11

What is gravity?

• A type of light

• A planet in our solar system

• A type of energy

• A force that makes everything fall towards the Earth

What does gravity depend on?

• The name of the objects

• The temperature of the objects

• The mass of the objects

• The color of the object

What is mass?

• The color of an object

• The amount of matter in an object

• The brightness of an object

• The amount of space an object takes up

What would happen without gravity?

• We would become invisible

• We would float off into space

• We would fly

• We would turn into stars

Who discovered the law of universal gravitation?

• Galileo Galilei

• Albert Einstein

• Thomas Edison

• Sir Isaac Newton

What does the gravitational force between two objects do as they get closer?

• It increases

• It decreases

• It becomes constant

• It disappears

What celestial bodies have the strongest gravitational pull in the universe?

• Comets

• Stars

• Planets

• Black holes

What causes ocean tides?

• The sun's heat

• The moon's gravitational pull

• Fish swimming in the sea

• Ships moving in the ocean

What did Albert Einstein discover about gravity?

• It doesn't exist in space

• It is strongest on the moon

• It also pulls on light

• It can only pull on planets

If you drop a brick and an apple from the same height, what will happen?

• Both will hit the ground at the same time

• The brick will hit the ground first

• The apple will hit the ground first

• Neither will hit the ground