Gravity and Inertia

Because of inertia, a moving object will keep ________.

• at rest
• moving
• in one spot
• inertia 

Tags

NGSS.HS-PS2-1

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.HS-PS2-4

Gravity is based on an object's

• mass

• size

• roundness

• brightness

Tags

NGSS.HS-PS2-4

What keeps the planets in orbit around the sun?

• gravity and inertia together

• gravity

• inertia

• neither gravity or inertia

Tags

NGSS.HS-PS2-4

NGSS.HS-ESS1-4

Why do the planets in our solar system orbit the sun?

• because the sun is the brightest object

• because the sun was there first

• because the sun has the most mass

• because nothing can orbit planets

Tags

NGSS.HS-PS2-4

NGSS.HS-ESS1-4

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.HS-ESS1-4

NGSS.HS-PS2-1

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.HS-PS2-4

NGSS.HS-ESS1-4

What two forces affect gravity?

• mass and inertia

• mass and distance

• mass and force

• mass and weight

Tags

NGSS.HS-PS2-4

What forces cause a planet to orbit?

• gravity and orbit
• gravity and inertia
• gravity and mass
• gravity and weight

Tags

NGSS.HS-PS2-4

NGSS.HS-ESS1-4

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.HS-PS2-4