Gravity and Inertia

What is weight?

• how much fat is on your body

• how strong you are

• how strongly your body is being pulled down by gravity

• when you have to stand in line

Tags

NGSS.MS-PS2-4

Gravity is based on an object's

• mass

• size

• roundness

• brightness

Tags

NGSS.MS-PS2-4

What would happen to Earth if there were no inertia?

• Earth would crash into the sun

• Earth would fly out to space

• Earth would collapse

• Earth would orbit the moon

Tags

NGSS.MS-PS2-2

What would happen to Earth if there were no gravity?

• Earth would crash into the sun

• Earth would fly out to space

• Earth would collapse

• Earth would orbit the moon

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

If you dropped a bowling ball and a golf ball in a vacuum, which one would hit the ground first?

• bowling ball

• golf ball

• they would hit at the same time

• they would not hit the ground

Inertia tells us that we need ____________ to get an object moving or to make it stop.

• a force

• gravity

• friction

• strength

Tags

NGSS.3-PS2-1

On which object would you weigh the most?

• Earth

• The moon

• Jupiter

What forces cause a planet to orbit?

• gravity and orbit

• gravity and inertia

• gravity and mass

• gravity and weight

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What two forces affect gravity?

• mass and inertia

• mass and distance

• mass and force

• mass and weight

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Gravity on the moon is about 1/6 the gravity felt on the earth. This is because

• the moon is much less massive than the earth

• the earth has a molten core and the moon doesn't

• the moon is so much further from the sun than the earth.

• the moon is so far away from the earth

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4