Quiz about Energy

Question 1

Electrical Energy is transferred to _____ Energy.

Accepted Answer

Thermal

Answer

Solar

Answer

Electrical

Answer

None

Question 2

Which energy transformation occurs in a toaster?

Accepted Answer

electric to thermal

Answer

chemical to electric

Answer

kinetic to chemical

Answer

thermal to potential

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

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 5

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 6

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 7

Name the energy transformations taking place when I plug in my radio and it begins playing.

Accepted Answer

Electrical to sound

Answer

Thermal to mechanical to electrical

Answer

Radiant to chemical

Question 8

What is Energy?

Accepted Answer

The ability to cause change or the ability to do work.

Answer

The transfer energy when a force is applied over a distance.

Answer

The energy of an object has because of its motion.

Question 9

What is electrical energy?

Accepted Answer

The energy that an electric current carries. When you plug something in, this energy flows.

Answer

Energy carried in waves of vibrating matter. It cannot travel through empty space (it MUST have matter to travel)

Answer

Energy stored in objects that are compressed or stretched like springs or rubber bands.

Question 10

What kind of energy does this device use?

Accepted Answer

Electrical

Answer

Chemical

Answer

Thermal

Answer

Chemical

Question 11

The electrical energy of the stove is transferred to _____ energy.

Accepted Answer

Thermal

Answer

Solar

Answer

Potential

Answer

Electrical

Question 12

Which items would have this energy transformation: electrical energy -> thermal energy and light energy?

Accepted Answer

toaster

Answer

candle burning

Answer

windmill turning

Answer

Iron for your clothes

Question 13

__________ is the ability to do work or to cause changes. It is measured in joules (J).

Accepted Answer

energy

Answer

a job

Question 14

__________ energy is needed for animals to stay warm.

Accepted Answer

Thermal

Answer

Sound

Answer

Light

Question 15

We receive ___________ energy from the Sun.

Accepted Answer

thermal and light

Answer

heat and chemical

Answer

light and sound

Question 16

We receive ___________ energy from the Sun.

Accepted Answer

thermal and light

Answer

heat and chemical

Answer

light and sound

Question 17

Food has potential energy. This energy stored in links between the atoms and molecules that make up food and other fuel is called ____________.

Accepted Answer

chemical

Answer

mechanical

Answer

electrical

Question 18

You push a baby in a stroller. What kind of energy describes the work you have done?

Accepted Answer

mechanical

Answer

sound

Answer

light

Answer

electric

Question 19

When an object vibrates in a back and forth motion it is producing what type of energy?

Accepted Answer

sound

Answer

light

Answer

thermal

Answer

chemical

Question 20

What type(s) of energy does a fridge contain?

Accepted Answer

All of the above

Answer

Sound Energy

Answer

Thermal Energy

Answer

Mechanical Energy

Question 21

Which statement is true?

Accepted Answer

Food contains Chemical Energy

Answer

Oranges contain Elastic Energy

Answer

Phone on the table doesn't contain Gravitational Energy

Answer

Radiator contains Nuclear Energy

Question 22

What is an example of Electric Energy

Accepted Answer

Car Battery

Answer

Apple

Answer

Rubber Bands

Answer

Table

Question 23

Sound travels through solids, liquids AND gasses.

Accepted Answer

True

Answer

False

Question 24

Sound is caused by

Accepted Answer

vibrations

Answer

force

Answer

instruments

Question 25

The measure of how high or low a sound is called its

Accepted Answer

pitch

Answer

amplitude

Answer

compression

Answer

speed of sound

Question 26

The pitch of a stringed instrument can be affected by

Accepted Answer

the length and thickness of its strings

Answer

the length of the bow being rubbed across strings

Answer

the size of a player's fingers

Answer

how much energy is used when it is plucked

Question 27

Why does cupping your hands around your mouth when you shout make the sound travel further?

Accepted Answer

The sound doesn't spread as much.

Answer

The sound spreads out.

Answer

Your voice gets louder.

Answer

Your voice becomes muffled.

Question 28

What would happen if you tighten the strings on a guitar?

Accepted Answer

it would make a high pitch sound

Answer

it would make a low pitch sound

Answer

it would produce low volume sound

Question 29

What is volume?

Accepted Answer

the loudness or softness of a sound

Answer

how high or low a sound is

Answer

vibrations moving through a medium

Question 30

Which word describes how LOUD a sound is?

Accepted Answer

volume

Answer

pitch

Answer

frequency

Answer

tone

Question 31

Objects that vibrate more quickly create

Accepted Answer

high pitches

Answer

low pitches

Question 32

Why would a band want to have each of these different types of saxophones play in a concert?

Accepted Answer

More pitches make the music sound better.

Answer

The music would be louder.

Answer

That is the only way to get a wide range of sounds.

Answer

More students would be able to participate.

Question 33

Describe how a guitar makes music.

Accepted Answer

The guitar strings vibrate when plucked, which creates a sound that we can hear.

Answer

The projector, pencil, sharpener, computer and lights all use electrical energy.

Answer

Mechanical energy is the only form of energy needed.

Question 34

Examples of objects that use different types of energy to perform their functions are shown. Which examples use mechanical energy to perform their functions?

Accepted Answer

Examples 1, 3, and 4

Answer

Examples 1, 2 and 4

Answer

Examples 1 and 2 only

Answer

Examples 3 and 4 only

Question 35

A student uses the setup shown to investigate ways to speed up evaporation. Which forms of energy are being compared in the student's investigation?

Accepted Answer

Mechanical energy and thermal energy

Answer

Light energy and electrical energy

Answer

Mechanical energy and electrical energy

Answer

Light energy and thermal energy

Question 36

The skin on this drum vibrates when hit with the drumstick:

Accepted Answer

You use mechanical energy to hit the drum with the drumstick.

Answer

You use thermal energy to hit the drum with the drumstick.

Answer

It gives off both light and thermal energy

Question 37

Thermal energy is cooking the hotdog. Light energy is also present.

Accepted Answer

True

Answer

False

Question 38

A bicycle, car, blender, rocking chair, tooth brush, and a ceiling fan all have or use thermal energy.

Accepted Answer

False

Answer

True

Question 39

What forms of energy are being used by this fan?

Accepted Answer

Electrical and mechanical energy

Answer

Sound energy

Answer

Thermal energy

Answer

All forms of energy

Question 40

A science class is observing a pet turtle in a small plastic pool. The students turn on a portable camping lamp that is clamped on to a counter next to the pool. Which kind of energy is used by the portable lamp to produce light?

Accepted Answer

Electrical energy, because the lamp in battery-operated

Answer

Mechanical energy, because the lamp is clamped on to the counter

Answer

Thermal energy, because the lamp increases the temperature of the water

Answer

Sound energy, because the lamp vibrates when clicked on

Question 41

A family was vacationing in the mountains in a cabin that had no electrical power. They needed boiling water in order to prepare dried soup mix. With no electrical energy available, which method would most likely provide enough thermal energy to quickly heat the water to boiling?

Accepted Answer

Placing a metal pot of water over glowing charcoal in an outdoor grill for 10 minutes.

Answer

Using a microwave oven to heat water in a glass jar for 3 minutes

Answer

Shaking the water in a closed, insulated plastic bottle for 3 minutes

Answer

Shining a battery-powered flashlight on a metal container of water for 10 minutes

Question 42

When a bat searches for prey at night, it makes sound as it flies, and it uses the sounds' echoes to find its prey. When the bat flies and listens to echoes to locate prey, it is using---

Accepted Answer

mechanical energy and sound energy

Answer

thermal energy and light energy

Answer

sound energy and thermal energy

Answer

light energy and mechanical energy

Question 43

What kinds of energy are needed in this investigation to change the state of matter of the candle?

Accepted Answer

Electrical and thermal

Answer

Light, mechanical, and thermal

Answer

Mechanical, light, and electrical

Answer

Thermal and mechanical

Question 44

What energy do you produce riding your bike? __________

Accepted Answer

Mechanical Energy

Answer

Sound Energy

Answer

Light Energy

Answer

Electrical Energy

Question 45

Humans often use fans to stay cool.The rotation of the fan blades is an example of what type of energy?

Accepted Answer

mechanical

Answer

electrical

Answer

sound

Answer

thermal

Question 46

What forms of energy are important to have present when watching television?

Accepted Answer

electrical, light, and sound

Answer

sound, thermal, and light

Answer

electrical and sound

Answer

thermal and light

Question 47

A lamp uses electrical energy to produce what two other kinds of energy?

Accepted Answer

heat and light

Answer

mechanical and sound

Answer

heat and mechanical

Answer

light and sound

Question 48

Headphones get electrical energy from the device to which they are attached. The headphones change this energy into what other kind of energy?

Accepted Answer

sound

Answer

light

Answer

thermal

Answer

mechanical

Question 49

Energy made by vibrations

Accepted Answer

sound

Answer

thermal

Answer

mechanical

Answer

light

Question 50

Which device does not produce light energy

Accepted Answer

bicycle

Answer

television

Answer

computer

Answer

laser pointer

Question 51

Hot water has what form of energy?

Accepted Answer

thermal

Answer

mechanical

Answer

sound

Answer

light

Question 52

On a waterwheel, the water falls and causes the wheel to turn. What form of energy is being used to turn the wheel?

Accepted Answer

mechanical energy

Answer

electrical energy

Answer

thermal energy

Answer

sound energy

Question 53

When light travels through air into a prism, it bends and separates into many colors.

In which other situation does light bend?

Accepted Answer

When light moves through air into water

Answer

When light hits a wall

Answer

When light passes through outer space

Answer

When light hits a mirror

Question 54

All of these are examples of refraction except...

Accepted Answer

bird in mirror

Answer

rainbow

Answer

glass of water

Answer

prism

Question 55

A student holds a notecard behind a jar of water. Which of the following best explains why part of the note card appears different from the rest of the note card?

Accepted Answer

The water bends light passing through it.

Answer

The jar reflects light hitting the surface.

Answer

The water absorbs light hitting the surface.

Answer

The jar scatters light passing through it.

Question 56

Light strikes an object and bounces back toward its source. What is this change in direction called?

Accepted Answer

Reflection

Answer

Refraction

Answer

Conduction

Answer

Transparent

Question 57

The picture shows a clear marble on top of some words. Some letters look different because

Accepted Answer

light bends as it passes through the marble.

Answer

light bounces as it reaches the marble.

Answer

light changes colors.

Answer

the light shines less brightly behind the marble.

Question 58

SOLAR PANELS are powered by

Accepted Answer

light energy

Answer

electrical energy

Answer

sound energy

Answer

mechanical energy

Question 59

This is an example of?

Accepted Answer

Reflection

Answer

fog

Answer

Refraction

Answer

translucent

Question 60

when light is stored inside of an object and turns into heat energy

Accepted Answer

absorbtion

Answer

refraction

Answer

reflection

Question 61

Light absorbs easily into dark surfaces. Which object would absorb the most light?

Accepted Answer

black t-shirt

Answer

paper

Answer

window

Answer

tree

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