Gravity

What two things determine the gravity of an object?

• mass & weight

• mass & distance

• density & mass

• volume & distance

Tags

NGSS.MS-PS2-4

A brick and a pencil are dropped at the same time from the same height. Which one would hit the ground first?

• brick

• pencil

• both would hit at the same time

Tags

NGSS.3-PS2-2

NGSS.5-PS2-1

Which is a use of air resistance?

• swimming in a pool

• opening a parachute

• falling asleep

• going to the moon

What keeps the planets in orbit around the sun?

• gravity

• friction

• density

• distance

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

When NASA scientists send a man into outer space in a rocket, what force must the rocket overcome as it leaves the Earth's surface?

• weight

• mass

• gravity

• density

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

When will the forces of gravity between two objects be the GREATEST?

• when the masses of both objects are small and the objects are far apart

• when the masses of both objects are large and the objects are close together

• when the masses of both objects are small and the objects are close together

• when the masses of both objects are large and the objects are far apart

Tags

NGSS.MS-PS2-4

When will the gravity between two objects be the LEAST?

• when the masses of both objects is small and the objects are close together

• when the masses of both objects is small and the objects are far apart

• when the masses of both objects is large and the objects are close together

• when the masses of both objects is large and the objects are far apart

Tags

NGSS.MS-PS2-4

A boy throws a baseball up in the air. Why does the baseball fall back down to the ground?

• the mass of the baseball decreases, causing it to fall

• the weight of the ball causes the ball to fall

• the force of gravity causes the ball to fall

• the density of the ball causes the ball to fall

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Which statement about gravity is true?

• gravity causes objects to pull towards one another

• gravity causes objects to push away from each other

• gravity only takes place between planets

• the moon doesn't have any gravity

Tags

NGSS.MS-PS2-4

When you drop a hammer and a feather, why does the feather fall slower?

• air resistance causes the feather to slow down

• gravity pulls harder on the hammer than the feather

• gravity pulls harder on the feather than the hammer

• air resistance causes the hammer to fall slower

Tags

NGSS.MS-PS2-2