What is Gravity Unit 3 Lesson 4 HMH

What is gravity?

• a force that pulls objects towards the sun.

• a force that pulls objects towards the Earth.

• a type of energy that Earth produces underground.

• a type of energy that surrounds all living and nonliving things.

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Weight is a measure of the force of gravity. An object that weights 100 pounds on Earth weights about 16 pounds on the moon, about 38 on Mars and 236 on Jupiter. Which has the greatest gravity?

• Earth

• Jupiter

• Mars

• Moon

Vincent pulls an apple from the bottom of a pile. All the other apples fall to the ground. What force brought the apples down?

• gravity pulling on each apple.

• gravity pulling on the first apple.

• gravity pulling on the top apple

• gravity pulling on the ground.

Tags

NGSS.3-PS2-1

NGSS.5-PS2-1

When a baseball player hits a fly ball high into the air, the fielder must wait for it to come down to catch it. If there were suddenly no gravity on Earth, how would a fly ball be different?

• It would not go as high.

• It would stick to the bat.

• It would never come down.

• It would come down more slowly

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Gravity is pulling the skydivers towards the Earth.

• True

• False

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

Objects fall because a force pulls them to the ground. A force is a push or a pull.

• True

• False

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

The force that causes objects to fall to the ground is called _______________.

• gravity

• push

• pull

Tags

NGSS.5-PS2-1

Gravity is a force. Other forces oppose, or act again gravity. The force of a rocket opposes gravity.

• True

• False

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

The air pushes ______________ on this hang glider. The push of the air opposes the pull of gravity.

• up

• down

• over

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2