8th Physical Science Final Exam Review: Physics & Earth Science

Question 1

Energy cannot be _________ or _________, only __________ between objects.

Accepted Answer

created, destroyed, transferred

Question 2

Which object is accelerating?

Accepted Answer

All of these objects are accelerating.

Question 3

Identify the boundary.

Accepted Answer

divergent

Question 4

Man pushes forward with 25 newtons of force. Wheel friction is 5 N. What is the net force?

Accepted Answer

20 newtons forward

Question 5

Identify the object that has kinetic energy.

Accepted Answer

A rolling skateboard

Question 6

Using this diagram, which claim can you make?

Accepted Answer

All of these are supported

Question 7

What evidence does NOT support continental drift?

Accepted Answer

Land bridges

Question 8

Identify the FAST change:

Accepted Answer

earthquakes

Question 9

Metal is a poor choice for an ice cream container because:

Accepted Answer

It is a good conductor.

Question 10

The main geological action that created this area is:

Accepted Answer

erosion

Question 11

A push or pull that can change an object's motion is....

Accepted Answer

a force

Question 12

Which direction does the heat transfer with these hands and hot tea?

Accepted Answer

Heat from the cup moves into the hands

Question 13

Friction is a force that:

Accepted Answer

opposes motion

Question 14

Identify the action and reaction (force pair) in a rocket launch.

Accepted Answer

A: Rocket fuel pushes downward, R: Fuel pushes rocket up

Question 15

When the forces on an object are balanced....

Accepted Answer

the object will not change its motion

Question 16

What is plate tectonics?

Accepted Answer

The study of the formation and movement of Earth's plates.

Question 17

Objects at rest tend to stay at rest until....

Accepted Answer

an unbalanced force is applied

Question 18

When will heat energy stop transferring?

Accepted Answer

When objects reach equilibrium

Question 19

Insulators are....

Accepted Answer

Good at blocking the transfer of heat

Question 20

What is the estimated age of Earth?

Accepted Answer

4.6 billion years

Question 21

What is the biggest takeaway from our studies in Earth Science?

Accepted Answer

The Earth is always changing.

Question 22

The layer we live upon is the:

Accepted Answer

crust

Question 23

Which of the following is NOT matter?

Accepted Answer

heat

Question 24

According to Newton's 2nd Law, an object with large mass requires ___________ to accelerate.

Accepted Answer

a large force

Question 25

If the forces on an object do NOT cancel each other out, we say that they are....

Accepted Answer

unbalanced

Question 26

What factor does NOT affect the amount of kinetic energy (KE) in an object?

Accepted Answer

gravity

Question 27

How will these waves sound different?

Accepted Answer

Top is quieter, bottom is louder

Question 28

What is the speed of the object?

Accepted Answer

3 m/s

Question 29

Where are earthquakes MOST likely to happen on Earth?

Accepted Answer

a transform boundary between crustal plates

Question 30

What factors affect the amount of gravitational potential energy in an object?

Accepted Answer

all of these

Question 31

What is happening in the center of this diagram?

Accepted Answer

New crust is being created

Question 32

In Earth's history, which happened first?

Accepted Answer

First multicellular life

Question 33

Marco runs 30 meters in 6 seconds. What is his speed?

Accepted Answer

5 m/s

Question 34

Identify the boundary type:

Accepted Answer

convergent

Question 35

Mr. Strianse moves at 6 m/s. He needs to get to the woodshop, 42 m away. How long will it take?

Accepted Answer

7 s

Question 36

Mr. Citro takes 25 s to walk the length of the hallway that is 100 m long. What is his speed?

Accepted Answer

4 m/s

Question 37

What is the net force on the cart?

Accepted Answer

5N right

Question 38

When ENERGY is carried on a medium from one place to another, we call that....

Accepted Answer

a sound wave

Question 39

Which car is the slowest?

Accepted Answer

Car D

Question 40

Identify the method of heat transfer.

Accepted Answer

conduction

Question 41

Identify the medium.

Accepted Answer

air

Question 42

Light and sound are different because.....

Accepted Answer

Only sound needs a medium to travel.

Question 43

How are velocity and speed related?

Accepted Answer

Velocity is speed AND direction of that motion

Question 44

Who won this 4 mile race?

Accepted Answer

Juan

Question 45

Objects in motion tend to.....

Accepted Answer

stay in motion at the same velocity

Question 46

The bus stops short but you keep going forward. What is inertia?

Accepted Answer

The tendency of objects to resist a change in their motion

Question 47

Identify what is happening to the blue and green light waves:

Accepted Answer

absorbed

Question 48

Identify the method of heat transfer.

Accepted Answer

radiation

Question 49

Identify the object that has gravitational potential energy.

Accepted Answer

A bird's nest on a high branch

Question 50

Identify what is happening to the RED light waves on their way to the eye:

Accepted Answer

reflected

Question 51

Identify the method of heat transfer:

Accepted Answer

convection

8th Physical Science Final Exam Review: Physics & Earth Science

Questions 51

8th Physical Science Final Exam Review: Physics & Earth Science

Questions 51