Quiz about IQWST PS2 Lessons 5-9

Question 1

Conservation of energy states that energy cannot be ________ or ________, but can be altered from one form to another.

Accepted Answer

created, destroyed

Answer

gravity, force

Answer

heat, created

Question 2

Which energy conversion is taking place when you put gasoline in a car?

Accepted Answer

chemical -> mechanical

Answer

thermal -> electrical

Answer

mechanical -> electrical

Answer

mechanical -> electromagnetic

Question 3

The energy an object has due to the motion of its particles; the total amount of kinetic energy of particles in an object.

Accepted Answer

thermal energy

Answer

heat

Answer

conduction

Answer

convection

Question 4

Electrical Energy is transferred to _____ Energy.

Accepted Answer

Thermal

Answer

Solar

Answer

Electrical

Answer

None

Question 5

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 6

"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 7

An object that does not vibrate cannot produce

Accepted Answer

sound

Answer

light

Answer

heat

Answer

electricity

Question 8

What is vibration?

Accepted Answer

the back and forth movement of matter

Answer

how loud a sound is

Answer

how high or low a sound is

Answer

the loudness or softness of a sound

Question 9

A device that makes electricity by using chemical reactions, stores energy until it is needed

Accepted Answer

battery

Answer

<gs>circuit</gs>

Answer

<gs>insulator</gs>

Answer

copper wire

Question 10

A complete electrical circuit or path through which electricity or current can pass or flow

Accepted Answer

closed circuit

Answer

open circuit

Answer

circuit

Answer

current

Question 11

Flow of electricty in a wire or other conductor

Accepted Answer

current

Answer

closed circuit

Answer

open circuit

Answer

conductor

Question 12

A circuit or electrical path that is broken or incomplete so electricity cannot flow through it.

Accepted Answer

open circuit

Answer

<gs>conductor</gs>

Answer

<gs>insulator</gs>

Answer

closed circuit

Question 13

What type of energy transformation occurs when using an electric pencil sharpener?

Accepted Answer

electrical to mechanical

Answer

sound to electrical

Answer

mechanical to electrical

Answer

potential to sound

Question 14

A lamp begins with electrical energy when plugged in and turns into _________ energy when the light comes on.

Accepted Answer

radiant

Answer

mechanical

Answer

kinetic

Answer

sound

Question 15

What type of energy transformation occurs when a hawk eats a mouse and then uses that energy to fly?

Accepted Answer

chemical to mechanical

Answer

mechanical to chemical

Answer

thermal to mechanical

Answer

mechanical to thermal

Question 16

What energy transformation occurs when a crock pot is plugged into an outlet and then the control knob is turned "on"?

Accepted Answer

electrical to thermal

Answer

thermal to electrical

Answer

mechanical to thermal

Answer

electrical to sound

Question 17

Two friends decide to go to the park and watch a movie on a computer. The computer runs on battery power. What energy transformation is occurring from the battery to the light being given off by the computer?

Accepted Answer

chemical - electrical - light

Answer

chemical - light - sound

Answer

mechanical - chemical - electrical

Answer

mechanical - electrical - light

Question 18

What type of energy is electrons flowing through a wire?

Accepted Answer

Electrical energy

Answer

Chemical energy

Answer

Kinetic energy

Answer

Mechanical energy

Question 19

What type of energy is stored in batteries or food?

Accepted Answer

Chemical energy

Answer

Potential energy

Answer

Thermal energy

Answer

Mechanical energy

Question 20

Energy that transfers heat is?

Accepted Answer

Thermal energy

Answer

Potential energy

Answer

Mechanical energy

Answer

Kinetic energy

Question 21

The particles of a gas move ____than the particles of the same substance in the liquid or solid state.

Accepted Answer

faster

Answer

slower

Answer

same speed

Question 22

Thermal energy and temperature are the same.

Accepted Answer

False

Answer

True

Question 23

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 24

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 25

What energy transformations take place when a battery-operated radio is in use?

Accepted Answer

Chemical to electrical to sound

Answer

Electrical to chemical to light

Answer

Sound to chemical to mechanical

Answer

Light to electrical to thermal

Question 26

People get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?

Accepted Answer

chemical to mechanical to thermal

Answer

mechanical to thermal to electrical

Answer

mechanical to chemical to sound

Answer

chemical to sound to electrical

Question 27

Which of the following devices transforms electrical energy into mechanical energy?

Accepted Answer

a fan

Answer

An e-reader

Answer

a manual pencil sharpener

Answer

ipod

Question 28

A bicycle is an example of what type of energy?

Accepted Answer

Mechanical

Answer

Heat

Answer

Light

Answer

Sound

Question 29

A computer uses what type of energy to operate?

Accepted Answer

Electric

Answer

Mechanical

Answer

Light

Answer

Sound

Question 30

Which one represents LIGHT ENERGY?

Accepted Answer

all of the above

Answer

traffic light

Answer

lamp

Answer

light bulb

Answer

flashlight

Question 31

The faster an object moves, the ________ kinetic energy it has.

Accepted Answer

more

Answer

less

Question 32

As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?

Accepted Answer

The potential energy decreases while the kinetic energy increases

Answer

Both the potential energy and kinetic energy decrease

Answer

The kinetic energy decreases while the potential energy increases

Answer

Bothe the potential energy and kinetic energy increase

Question 33

A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy changes that occurred?

Accepted Answer

The chemical energy stored in the match changed to thermal energy and light energy.

Answer

The thermal energy stored in the match changed to light energy and chemical energy.

Answer

The light energy and thermal energy stored in the match changed to mechanical energy.

Answer

The light energy and thermal energy stored in the match changed to chemical energy.

Question 34

Which Apple has the greatest Gravitational Potential Energy?

Accepted Answer

Apple B

Answer

Apple A

Answer

Apple C

Answer

Apple D

Question 35

Which of the following is an example of a Thermal Conductor?

Accepted Answer

Copper

Answer

Plastic

Answer

Styrofoam

Answer

Wood

Question 36

Which of the following is an example of a Thermal Insulator?

Accepted Answer

Wood

Answer

Iron

Answer

Aluminum

Answer

Copper

Question 37

A hairdryer converts --

Accepted Answer

electrical energy into thermal

Answer

electrical energy into chemical

Answer

chemical energy into mechanical

Answer

thermal energy into mechanical

Question 38

What form of energy is best shown in the picture below?

Accepted Answer

mechanical energy

Answer

thermal energy

Answer

nuclear energy

Answer

light energy

Question 39

At which point will the skater have the least potential energy?

Accepted Answer

Point B

Answer

Point A

Answer

Point C

Answer

Point A and C

Question 40

(6.8A) At which of these positions does the ball have both the greatest kinetic energy and the least potential energy?

Accepted Answer

Position 2

Answer

Position 1

Answer

Position 3

Answer

Position 4

Question 41

When we kick a ball we use...

Accepted Answer

Mechanical energy

Answer

Chemical energy

Answer

Nuclear energy

Answer

Electrical energy

Question 42

Potential energy is transformed into kinetic
energy in which of the following scenarios?

Accepted Answer

E

Answer

B

Answer

C

Answer

D

Question 43

By plugging in the stove in scenario D, a
person is hoping to create heat energy from what?

Accepted Answer

electrical energy

Answer

solar energy

Answer

mechanical

Answer

chemical

Question 44

Scenario A above shows a man eating a hot dog so that he has enough energy to complete a bike race. By doing this, he is converting chemical energy to mechanical energy. This same transformation can be seen in which
other scenario?

Accepted Answer

Scenario C

Answer

Scenario B

Answer

Scenario D

Answer

Scenario E

Question 45

When it becomes part of an electrical
circuit, which of the following items
demonstrates how electricity can be
converted into mechanical motion?

Accepted Answer

ceiling fan

Answer

television

Answer

fireplace

Answer

telephone

Question 46

When it becomes part of an electrical
circuit, which of the following items has
the ability to transform electricity into
sound?

Accepted Answer

television

Answer

dog whistle

Answer

light bulb

Answer

ceiling fan

Question 47

The light bulb in the above room turns on
by the flick of a switch. Which of the
following explains why this happens?

Accepted Answer

the light bulb is connected to a circuit that
allows electrical energy to flow through it

Answer

the light bulb is heated until it starts to give off
light

Answer

the light bulb is the site of a chemical reaction
that produces light

Answer

the light bulb is rotated so that mechanical
energy is created

Question 48

What is vibration?

Accepted Answer

the back and forth movement of matter

Answer

how loud a sound is

Answer

how high or low a sound is

Answer

the loudness or softness of a sound

Question 49

Destiny hits a symbol with her drumstick and makes it vibrate.  She then puts her hand on the symbol and stops the vibration.  What happened to the sound of the symbol?

Accepted Answer

The sound stops because the vibrations have stopped.

Answer

The sound continues but not as loud.

Answer

The sound continues but has a lower pitch.

Answer

The sound stops because her hand absorbs the sound.

Question 50

When we hear an echo it is because...

Accepted Answer

sound is reflected off an object

Answer

sound travels slowly

Answer

sound travels quickly

Answer

Sound travels backwards

Question 51

Sarah and Maria made a telephone using two cans and a string. It was a very long string. Maria went upstairs in her house and Sarah stayed downstairs. Maria spoke softly into the can. "I can hear you!' Sarah said back. How can this happen?

Accepted Answer

Sound waves travel through solids like the string.

Answer

Sound waves travel through a vacuum.

Answer

Sound waves travel from high to low.

Answer

Maria talked so loudly that Sarah could hear her without the phone.

IQWST PS2 Lessons 5-9

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science