Free Printable Science 8 Semester Exam - 2025

Free Printable Worksheets

Worksheets

Science 8 Semester Exam - 2025

Total questions: 29

Worksheet time: 17mins

Name

Class

Date

1.

Choose ALL examples that describes kinetic energy (There can be more than 1 answer)

a)

Dog playing fetch

b)

Running a marathon

c)

Apple hanging on a tree

2.

Which point has the greatest gravitational potential energy?

a)

Point 1

b)

Point 2

c)

Point 3

3.

Which point has the greatest kinetic energy?

a)

Point 1

b)

Point 2

c)

Point 3

4.

The more mass an object has:

a)

The greater it's kinetic energy

b)

The smaller it's kinetic energy

c)

Kinetic energy stays the same

5.

The more mass an object has:

a)

The greater it's potential energy

b)

The smaller it's potential energy

c)

Potential energy stays the same

6.

The more velocity an object has:

a)

The greater it's kinetic energy

b)

The smaller it's kinetic energy

c)

Kinetic energy stays the same

7.

The more height an object has from the earth's groung :

a)

The greater it's potential energy

b)

The smaller it's potential energy

c)

Potential energy stays the same

8.

Which is NOT an example of an object accelerating?

a)

Change direction

b)

Change in mass

c)

Change in speed

9.

What is the Total Net Force of the box below?

a)

0 N

b)

100 N to the left

c)

100 N to the right

10.

Is the box below Balanced or Unbalanced?

a)

Balanced

b)

Unbalanced

c)

None of the above

11.

Is the box below going to accelerate or have no acceleration?

a)

Accelerate

b)

Not Accelerate

12.

A box has two forces acting on it. One force is pushing it 100 N upward. Another force is 50 N downward. What is the net force on the box?

a)

50 N upward

b)

100 N upward

c)

50 N downward

13.

According to Newton's Third of Motion, when a hammer strikes and exerts force on a nail, the nail

a)

Creates friction with the hammer

b)

Disappears into the wood

c)

Exerts an equal and opposite force on the hammer.

14.

When two objects having different masses collide, they move away from each other at different speeds. Which is true of the forces exerted at the moment of impact?

a)

The forces exerted when they collide are equal and opposing.

b)

The forces exerted when they collide are unequal and opposing.

c)

The forces exerted when they collide are equal and in the same direction.

15.

For each scenario below determine which of Newton’s 3 Laws is represented.

A full grocery cart requires more force to push than an empty cart.

a)

1st Law

b)

2nd Law

c)

3rd Law

16.

For each scenario below determine which of Newton’s 3 Laws is represented.

A golf ball continues to roll until friction and gravity stop it.

a)

1st Law

b)

2nd Law

c)

3rd Law

17.

For each scenario below determine which of Newton’s 3 Laws is represented.

A pencil on a table will stay there until someone picks it up.

a)

1st Law

b)

2nd Law

c)

3rd Law

18.

For each scenario below determine which of Newton’s 3 Laws is represented.

A bird pushes down on the air with its wings in order to fly.

a)

1st Law

b)

2nd Law

c)

3rd Law

19.

For each scenario below determine which of Newton’s 3 Laws is represented.

Several dogs pulling a sled cause it to go faster than just one dog pulling a sled.

a)

1st Law

b)

2nd Law

c)

3rd Law

20.

For each scenario below determine which of Newton’s 3 Laws is represented.

A picture hanging on the wall does not move.

a)

1st Law

b)

2nd Law

c)

3rd Law

21.

Click the dot that has the greatest kinetic energy.

A

B

C

D

22.

Click the dot that has the greatest gravitational potential energy.

A

B

C

D

23.

The kinetic energy of the bicycle would be the greatest at the (a)

Choose from the below words

bottom

top

24.

At which point does the water in the waterfall have the greatest gravitational potential energy?

a)

Point 1

b)

Point 2

c)

Point 3

d)

Point 4

25.

As you walk you are exerting a force on the ground, and the ground will exert a force back to you.

Which of Newton's Law of motion best represents the scenario above?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

26.

A bird pushes down using its wings the air to fly upwards.

Which of Newton's Law of motion best represents the scenario above?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

27.

Several dogs pulling a sled causing it to go faster than just one dog pulling a sled.

Which of Newton's Law of motion best represents the scenario above?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

28.

A picture hanging on the wall does not move.

Which of Newton's Law of motion best represents the scenario above?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

29.

A pencil on the floor will stay there until some one picks it up.

Which of Newton's Law of motion best represents the scenario above?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

100 %

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