Quiz about Physical Science Review

Question 1

Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?

Accepted Answer

Electrical to light

Answer

Chemical to light

Answer

Electrical to chemical

Answer

Chemical to electrical

Question 2

Which of the following shows an energy transformation from chemical energy to electrical to light energy?

Accepted Answer

A battery causes a flashlight to shine.

Answer

A bolt of lightning lights the night sky.

Answer

A candle glows brightly in the dark.

Answer

A fire in a fireplace lights up a room.

Question 3

Energy transformations occur when...

Accepted Answer

energy changes from one form to another

Answer

energy is created through conduction

Answer

two forces slide together that are touching

Answer

a chemical reaction takes place

Question 4

"Energy can be transformed from one form into another or transformed from one region or another, but energy cannot be created or destroyed."
Which law is this?

Accepted Answer

Law of Conservation of Energy

Answer

Law of Conservation of Mass

Answer

Newton's Second Law

Answer

Newton's Third Law

Question 5

What energy transformations occur when a human eats a Big Mac?

Accepted Answer

Chemical Energy

Answer

Convection

Answer

Thermal Energy

Answer

Kinetic Energy

Question 6

Energy due to motion is ____________ energy.

Accepted Answer

Kinetic

Answer

Potential

Answer

Energy

Answer

Friction

Question 7

__________ is stored energy.

Accepted Answer

Potential

Answer

Kinetic

Answer

None of the above

Answer

All of the above

Question 8

What kind of energy is in a moving skateboard?

Accepted Answer

Kinetic

Answer

Potential

Question 9

What kind of energy is in a stretched rubber band?

Accepted Answer

Potential

Answer

Kinetic

Question 10

Energy can not be created or destroyed, only converted from one form to another.

Accepted Answer

true

Answer

false

Question 11

At which point is potential energy greatest?

Accepted Answer

W

Answer

X

Answer

Y

Answer

Z

Question 12

At which point is kinetic energy greatest?

Accepted Answer

X

Answer

W

Answer

Y

Answer

Z

Question 13

When a pendulum swings, at which point is kinetic energy highest?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 14

When a pendulum swings, at which point is potential energy at its greatest?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 15

What does the strength of gravity between two objects depend upon?

Accepted Answer

Mass & distance

Answer

Mass & weight

Answer

Gravity & inertia

Answer

Inertia & mass

Question 16

What force brings the pencil down?

Accepted Answer

Gravitational

Answer

Applied

Answer

Magnetic

Answer

Normal

Question 17

An _______ force must act on an object for it to CHANGE it's motion

Accepted Answer

unbalanced

Answer

balanced

Answer

gravitational

Answer

electrical

Question 18

What is defined as a push or pull?

Accepted Answer

force

Answer

motion

Answer

vector

Answer

speed

Question 19

This type of force resist motion between two surfaces that are pressed together

Accepted Answer

friction

Answer

contact

Answer

gravity

Question 20

If the net force is equal to zero, the forces acting on the object are

Accepted Answer

balanced

Answer

unbalanced

Question 21

Balanced forces do not change the objects speed or

Accepted Answer

direction

Answer

distance

Answer

time

Answer

mass

Question 22

What is the net force?

Accepted Answer

4000 N left

Answer

5000 N right

Answer

4000 N right

Answer

40 N left

Question 23

What is the net force in this picture?

Accepted Answer

50 Newtons to the left

Answer

50 Newtons to the right

Answer

950 Newtons to the right

Answer

950 Newtons to the left

Question 24

The force of gravity acting on an object is the object's ______.

Accepted Answer

weight

Answer

mass

Answer

matter

Answer

friction

Question 25

The amount of matter in an object is

Accepted Answer

mass

Answer

pressure

Answer

weight

Answer

force

Question 26

A person would weigh less on on the Moon than on the Earth because . . .

Accepted Answer

Moon has less mass and therefore less gravity

Answer

Moon has more mass, and therefore more gravity

Answer

Moon has less mass, and therefore more gravity

Answer

Moon has more mass, and therefore less gravity

Question 27

Letter "C" shows ...

Accepted Answer

No movement

Answer

Steady increase in speed

Answer

A return home

Answer

a person walking away

Question 28

The letter "A" shows...

Accepted Answer

A person walking away from a starting point

Answer

A person returning to a starting point

Answer

A person not moving

Answer

A person resting

Question 29

Which line shows no movement?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 30

Which graph shows a person returning to the start line?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 31

What is the transfer of heat by movement of liquids or gases?

Accepted Answer

convection

Answer

conduction

Answer

radiation

Question 32

What is the transfer of heat by direct contact?

Accepted Answer

conduction

Answer

convection

Answer

radiation

Question 33

What is a transfer of heat energy by electromagnetic waves through space?

Accepted Answer

radiation

Answer

conduction

Answer

convection

Question 34

What happens when ice cubes melt in a glass?

Accepted Answer

Heat is transferred from the warmer water to the ice cubes.

Answer

Heat travels from the ice to the warmer water.

Answer

No energy is transferred.

Question 35

In heat transfer, heat always flows from the _?_ substance to the _?_ substance.

Accepted Answer

hotter to colder

Answer

colder to hotter

Answer

hotter to hotter

Answer

colder to colder

Question 36

Warm air is __________ dense than cold air and rises creating convection currents.

Accepted Answer

less

Answer

more

Question 37

In what way does the Sun warm Earth?

Accepted Answer

radiation

Answer

convection

Answer

conduction

Answer

condensation

Question 38

A large piece of ice is placed on the sidewalk on a warm day. What will happen to the ice?

Accepted Answer

It will melt to form liquid water

Answer

It will melt to form water vapor

Answer

It will not change at all.

Answer

It will freeze to form liquid water.

Question 39

Which change can occur when  you add heat energy to water?

Accepted Answer

The water can change from a liquid to a gas

Answer

The water can change from a liquid to a solid

Answer

The water can change from a gas to a liquid

Answer

The water can change from a solid to a liquid

Question 40

When water molecules slow down and move closer together ...

Accepted Answer

the water turns into ice.

Answer

the water separates into hydrogen and oxygen.

Answer

the water turns into liquid nitrogen.

Answer

the water turns into water vapor.

Question 41

The molecules of a substance slow down when . . .

Accepted Answer

energy is taken away.

Answer

energy is added.

Question 42

Molecules have energy and _________ stop moving

Accepted Answer

never

Answer

rarely

Answer

always

Answer

sometimes

Question 43

Matter changes state when...

Accepted Answer

energy is added or removed

Answer

energy is added

Answer

energy is removed

Answer

there is no energy

Question 44

Molecules are made up of ____________.

Accepted Answer

atoms

Answer

mass

Answer

matter

Answer

molecules

Question 45

Matter will change state when enough energy (heat) is added to , or removed from, the molecules.

Accepted Answer

true

Answer

false

Question 46

If a substance is heated, what happens to its molecules?

Accepted Answer

they speed up and move farther apart

Answer

they slow down and move closer together

Answer

the speed up and move closer together

Answer

they slow down and move farther apart

Question 47

EM waves used to broadcast television signals

Accepted Answer

radio waves

Answer

infrared

Answer

gamma rays

Answer

x rays

Question 48

EM waves used to treat some forms of cancer

Accepted Answer

gamma waves

Answer

microwaves

Answer

ultraviolet

Answer

infrared

Question 49

White light is the entire range of

Accepted Answer

colors of visible light combined.

Answer

ultraviolet light.

Answer

gamma rays and X rays.

Answer

EM
waves.

Question 50

Which electromagnetic waves are used in ovens and cell phone communications?

Accepted Answer

microwaves

Answer

Infrared rays

Answer

ultraviolet rays

Question 51

For waves in any medium, as the wavelength decreases, what happens to the frequency?

Accepted Answer

It increases

Answer

It also decrease

Answer

It stays the same

Question 52

Infrared waves are used in__________________.

Accepted Answer

Remote Controls

Answer

Bath tubs

Answer

Microwaves

Answer

Tanning

Question 53

The blue section of the wave is measuring _________________.

Accepted Answer

wavelength

Answer

crest

Answer

trough

Answer

amplitude

Question 54

Which electromagnetic radiation has the greatest frequency?

Accepted Answer

X-rays

Answer

Radio waves

Answer

Visibile light

Answer

Infrared

Question 55

Which electromagnetic radiation has a shorter wavelength than visible light?

Accepted Answer

Ultraviolet waves

Answer

Radio waves

Answer

Microwaves

Answer

Infrared rays

Question 56

The higher the frequency the ______ the energy.

Accepted Answer

higher

Answer

lower

Answer

neither, stays the same

Question 57

Which wave has a longer wavelength?

Accepted Answer

wave D

Answer

wave C

Question 58

Which wave has a greater frequency?

Accepted Answer

wave B

Answer

wave C

Question 59

The bouncing back of light waves off of a surface is...

Accepted Answer

Reflection

Answer

Refraction

Answer

Light

Answer

Lens

Question 60

The bending of light waves as they travel from one surface to another...

Accepted Answer

Refraction

Answer

Reflection

Answer

Light

Answer

Lens

Question 61

A mirror _________ light.

Accepted Answer

reflects

Answer

absorbs

Answer

refracts

Question 62

When an object soaks in the light it _____________

Accepted Answer

absorbs

Answer

reflects

Answer

refracts

Question 63

Another name for light bending is ....

Accepted Answer

Refraction

Answer

Reflaction

Answer

Absorbing

Answer

mirror

Question 64

To stay cool from the sun's light and heat, one should wear...

Accepted Answer

Light colors

Answer

Dark colors

Physical Science Review

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