3U3 Forces and Motion

A car is rolling on a level street. What can make the car stop moving?

• A force that pushes straight up

• A force that pushes straight down

• A force that pushes the same direction the car is moving

• A force that pushes the opposite direction that the car is moving

Tags

NGSS.MS-PS2-2

What causes a change in the speed of a moving object?

• force

• temperature

• change in mass

• change in location

Tags

NGSS.MS-PS2-2

Ava's mother pushed her backward on the swing. Predict how Ava will move.

• She will move backward then stop.

• She will move toward her mother.

• She will move back and then forward to where she started and then stop.

• She will move back and then forward and keep swinging.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Four cars are taking part in a long race. A timer keeps track of how long it takes for each car to go from the starting line to the finish line. Here are the results. Which car is slower than all of the other cars?

Car 85 traveled 80 Kilometers in 22 minutes.

Car 72 traveled 80 Kilometers in 30 minutes.

Car 28 traveled 80 Kilometers in 19 minutes.

Car 44 traveled 80 Kilometers in 26 minutes.

• Car 28

• Car 44

• Car 72

• Car- 85

A class sent four toy cars down the same ramp. Which car was the fastest?

Car 1 12 seconds

Car 2 15 seconds

Car 3 17 seconds

Car 4 18 seconds

• Car 1

• Car 2

• Car 3

• Car 4

Tags

NGSS.MS-PS3-1

A class measures the time it takes for two different trucks to drive across the parking lot. How can they tell which truck is faster?

• The truck that starts moving first is faster.

• The truck that takes less time is faster.

• The truck that has bigger tires is faster.

• The truck that takes more time is faster.

Tags

NGSS.MS-PS3-1

The pull of gravity on Earth is caused by

• Air pressure

• The mass of the Earth

• Volcanoes erupting.

• Earht's orbit around the sun.

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

During a storm, the clouds make raindrops. How does gravity affect the rain during the storm?

• It causes the drops to form.

• It causes the drops to stick together.

• It causes the drops to fall from the clouds to Earth's surface.

• It causes the drops to move a bit sideways as they fall.

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Which statement about Earth's gravity is true?

• Gravity can make a ball move in any direction.

• Gravity can only make a ball move downward.

• Gravity cannot affect a ball that is already moving.

• Gravity cannot affect a ball if it is not moving.

Tags

NGSS.MS-PS2-2

A push or pull exerted on an object

• Time

• Distance

• Position

• Force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2