Force & Motion Unit (+Weather Standard) Review

Jack and Nolan are analyzing a graph for a science project. Which graph represents a car that is decreasing in speed?

• Graph A

• Graph B

• Graph C

• Graph D

Tags

NGSS.MS-PS3-1

Below is a distance time graph that shows the motion of Chase on a walk. Which statement best describes Chase's motion?

• Chase walks slowly at first, then increases their speed, stops, and very quickly returns to the starting point.

• Chase walks up a hill at the beginning, and then has a flat surface, and then walks down a hill at the end.

• Chase is going faster and faster in the last two minutes.

• Chase starts out moving very fast, slows down in the middle of the walk, and then speeds up again at the end.

Ellie went on a walk, and kept track of their time and distance. The data is displayed in the graph. Which best describes Ellie's walk?

• Ellie went up a hill, and then down a hill.

• Ellie walked very quickly at the beginning of the walk, but then slowed down at the end.

• Ellie walked slowly at the beginning of the walk, and faster at the end.

• Ellie walked at a steady pace, and then returned to the starting point.

Brynn's job at the bookstore requires her to move several heavy boxes of books. How can Brynn use the least amount of force to move the boxes?

• by packing the books in larger boxes

• by packing the books in smaller boxes

• by stacking the boxes and pulling them out of the storage room

• by stacking the boxes and pushing them out of the storage room

Tags

NGSS.MS-ETS1-1

NGSS.MS-PS3-1

After throwing a basketball through the net, Anna observed the ball as it hit the ground. Which is most likely responsible for the ball hitting the ground?

• friction

• gravity

• mass

• speed

Tags

NGSS.MS-PS2-4

Vincent climbs onto a skateboard ramp halfway between the top and the bottom of the ramp. Because gravity acts on Vincent, which is most likely to happen?

• He won’t move.

• He will roll up the ramp.

• He will roll down the ramp.

• He will float above the ramp.

Tags

NGSS.MS-PS2-2

Ayah is pushing a wheelbarrow of rocks. She stops and unloads half of the rocks. How will this affect the force needed to move the wheelbarrow?

• Gravity is increased, making the wheelbarrow easier to move.

• Gravity is decreased, making the wheelbarrow harder to move.

• Friction is increased, making the wheelbarrow harder to move.

• Mass is decreased, making the wheelbarrow easier to move.

Tags

NGSS.MS-PS2-2

Katie was pulling a sled with her puppy in it. Katie’s sister then got into the sled with the puppy. How would the sled’s speed most likely change after Katie’s sister got into the sled?

• The speed would increase due to the change in mass.

• The speed would decrease due to the change in mass.

• The speed would increase due to the change in friction.

• The speed would decrease due to the change in gravity.

Tags

NGSS.MS-PS2-2

How fast was a train moving if it traveled 100 meters in 10 seconds? (speed = distance ÷ time)

• 1 meter per second

• 10 meters per second

• 90 meters per second

• 100 meters per second

Callie was driving to New York City. She traveled 100 miles in the first hour of the trip and 20 miles in the last hour of his trip. Which can we say about Callie's drive? (speed = distance ÷ time)

• Callie drove less than 120 miles.

• Callie drove faster the first hour of his drive.

• Callie drove slower the first hour of his drive.

• Callie drove the same speed for the entire drive.