Force and Motion Review

What can the students do to increase the speed that the marble will roll down the ramp?

• add a layer of carpet to the board

• lower the height of the board

• use a longer board for the ramp

• replace the board with smoother board

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A rocket is traveling toward space. What force must the rocket act against as it moves away from Earth?

• inertia

• gravity

• magnetism

• momentum

Tags

NGSS.MS-PS2-4

The elves needed to move two boxes of toys across the workroom to Santa's sleigh. They needed to use more force to push Box 2 than Box 1.

Which is the most likely reason they used more force with Box 2?

• Box 2 was taller than Box 1.

• Box 2 was heavier than Box 1.

• Box 2 had stronger sides than Box 1.

• Box 2 contained more objects than Box 1.

Tags

NGSS.MS-PS2-2

A 30 gram ball rolls along a flat surface at a constant speed in the same direction over 20 inches in 5 seconds. Which is the speed of the ball? (speed = distance ÷ time)

• 4 inches per second

• 100 inches per second

• 15 inches per second

• a million bajillion inches per second

How fast does a reindeer fly if it traveled 400 miles in 4 hours at a constant speed? (speed = distance ÷ time)

• 100 miles per hour

• 125 miles per hour

• 200 miles per hour

Kyle and John are taking a road trip. The car travels a greater distance during the second hour of the trip than the first hour. Which can most likely be concluded?

• The car is moving at a constant speed during the entire trip.

• The car is moving faster during the first hour of the trip than in the second hour.

• The car is moving faster during the second hour of the trip than in the first hour.

• The car is moving in a different direction the second hour of the trip than in the first hour.

The graph shows Jake's trip from home to school. He left home and walked to school. Which reason describes his actions between T and U?

• Jake made it to the top of a hill.

• Jake returned home to get his lunch.

• Jake returned home to get his lunch.

• Jake took a break and sat on a park bench.

As Chris and his dad add presents to their Christmas shopping cart, which will most likely occur?

• The cart will become easier to move because the items will increase the mass of the cart.

• The cart will become easier to move because the items will decrease the mass of the cart.

• The cart will become more difficult to move because the items will increase the mass of the cart.

• The cart will become more difficult to move because the items will decrease the mass of the cart.

Tags

NGSS.MS-PS2-2

Billy rolls a toy truck filled with marbles across the kitchen floor. He then dumps the marbles before rolling it back to his starting location. How would the speed of the truck most likely change on the way back?

• The speed would increase due to friction.

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

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

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

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

Greg’s family is planning a trip, and want to choose the method of transportation that travels with the most speed. Which should Greg’s family choose? (speed = distance ÷ time)

• a bus traveling 60 km every two hours

• a car traveling 60 km every four hours

• a train traveling 120 km every four hours

• a plane traveling 120 km every two hours