Force Unit Review

Reorder

Racing each toy car by pushing them with the same force and on the same surface, order each car in the order of they crossed the finish line (left to right)

• Toy 2

• Toy 1

• Toy 4

• Toy 3

1

2

3

4

• 1
• 2
• 3
• 4

Multiple Choice

Which toy car would take the most force to stop?

• toy 1

• toy 2

• toy 3

• toy 4

Hotspot

At which point did Cooper move this box of treats the fastest?

Multiple Choice

Cooper has a truck filled with rocks. Which most likely happens when

Cooper empties the rocks from his truck?

• an increase in the force needed to move the truck

• a decrease in the force needed to move the truck

• an increase in friction will act on the truck

• an increase in gravity will act on the truck

Hotspot

Which graph matches a person moving a heavy object, taking a small break and continuing to move the object

Hotspot

Which graph matches Cooper heading to the kitchen for some treats, stops because he heard someone coming and runs back to his bed before he gets caught?

Multiple Choice

When increasing the mass of an object, what must be done to be able to move the object with the same speed?

• applying increased force

• applying decreased force

• apply more friction

• increase gravity

Multiple Choice

Which best describes what happened to Cooper when he was moving his box of treats from minutes 3 to 4 minutes?

• Cooper was moving his box of treats across the floor with the same force

• Cooper took a break and stopped moving

• Cooper added a lot more treats to his box and was moving the box with the same force

• Cooper took his box of treats back to his bed

Dropdown

Cooper can move a box of toys easier if there was​

Select answer

friction because the surface will be smoother and slide easily. If he tries to move the same box on a rough surface, there will be​

Select answer

friction.

Dropdown

Cooper will need to use

Select answer

force if there is a rougher surface because it has more friction. When Cooper places the box on a smoother surface, he will need

Select answer

force to move the box because it will have less friction.

Categorize

Options (14)

a car going around a corner

ice skating

using brakes to stop a bicycle quickly

pushing a heavy box across the room

gripping tires on a race track

using sandpaper to smooth wood

traction on a steep hill

shoes with rubber soles on wet surfaces

climbing with climbing shoes

sliding down a slide

using a lubricant on machinery

gliding on rollerblades

using a non-stick pan for cooking

Best Doggie Ever

Organize scenarios under the proper heading

More friction is best

Less friction is best

Cooper

Multiple Choice

Cooper ran 2.4 seconds back to his bed before he was caught having all of his treats. If he needed to run faster, what would be the best estimate of how long it would take to get back to his bed?

• 2.6

• 2.3

• 2.4

• 2.5

Labelling

Which describes the direction of the object throughout the graph.

Drag labels to their correct position on the image

moving away slowly

moving away quickly

object stopped

moves back to where it started

Multiple Choice

At what time did Cooper stop moving?

• between 0 and 2 seconds

• between 2 and 4 seconds

• between 4 and 6 seconds

• between 1 and two seconds

Multiple Choice

What will happen when Cooper adds more treats to his box as he moves it across the floor with the same force?

• the box will move faster

• the box will move slower

• the box will move at the same rate as before

• the box will not move at all

Multiple Choice

Cooper gave up, he took some of the treats out of the box and continued to move the box across the floor. How will removing treats change the force needed to move the box?

• Cooper will not need any force to move the box

• Cooper will need the same amount of force to move the box

• Cooper will need less force to move the box

• Cooper will need more force to move the box

Multiple Choice

Cooper dropped his ball down the steps, what force caused the ball to reach the bottom of the steps?

• mass

• speed

• friction

• gravity

Multiple Choice

When Cooper pushes his ball across the grass, he noticed the ball did not roll very far. Which of the following would REDUCE FRICTION to make the ball roll farther?

• push the ball harder

• push the ball on a rougher surface

• use a smoother ball

• use his tail