According to the law of conservation of energy, What can be said about the total amount of energy in the universe? a. Remains constant b. Changes Constantly.

According to the law of conservation of energy, What can be said about the total amount of energy in the universe?

a. Remains constant

b. Changes Constantly

c. Increases

d. Decreases

In EVERY energy conversion, some energy is always converted into what

type of energy?

a. Kinetic energy

b. Potential energy

c. Thermal energy

d. Mechanical energy

An electric generator is useful after/during a hurricane because it can generate electricity. What is a generator actually doing when it generates electricity?

a. Creating energy

b. Converting energy of one type into another

c. Destroying energy during the process

d. Destroying matter

Chad walks into a room and turns on a light with the light switch. What type of energy transformation is occurring?

a. Kinetic energy into electrical and light energy

b. Electrical energy into potential and light energy

c. Electrical energy into light and thermal energy

d. Chemical energy into light and thermal energy

Imagine that a ball is dropped. It bounces a few times, but then stops. James says that the ball has lost all of its energy. What law would a person use to explain that James was wrong.

a. Law of conservation of mass

b. Law of conservation of energy

c. Law of universal gravitation

d. Law of conservation of matter

A student takes a basketball and throws it straight up in the air. The ball falls back down and lands exactly in the student’s hands. Neglecting frictional forces, what can be said about the amount of energy when the basketball falls back in the student’s hand?

a. The energy in the ball is the same when the ball leaves the student’s hand as when it returns.

b. The energy in the ball is greater when the ball leaves the student’s hand as when it returns.

c. The energy of the ball is less when the ball leaves the student’s hand as when it returns.

d. The ball has no energy.

After energy conversions, what law explains that the total amount of energy is equal to the original amount of potential energy?

a. Law of conservation of mass

b. Law of conservation of energy

c. Law of universal gravitation

d. Law of conservation of matter

When a bicycle rider puts on the brakes of a bicycle, friction causes some of the mechanical energy to change into what type of energy?

a. Electrical

b. Nuclear

c. Chemical

d. Thermal

Energy that is stored in food is mainly what type of energy?

a. Electrical

b. Nuclear

c. Chemical

d. Thermal

What is the type of energy transformation that occurs in a person’s

muscles when they move?

a. Kinetic to Potential

b. Kinetic to Electrical

c. Thermal to Radiant

d. Chemical to Kinetic

How does a solar powered calculator work?

a. Converts solar energy into nuclear energy

b. Converts solar energy into electricity

c. Converts solar energy into thermal energy

d. Converts electricity into solar energy

A softball player hits a fly ball. Which of the following describes the energy conversion that occurs as the ball falls from its highest point toward the ground?

a. Kinetic to Potential

b. Potential to Kinetic

c. Thermal to Radiant

d. Chemical to Kinetic

As a compost pile decomposes, what type of energy conversion takes place?

a. Kinetic to Potential

b. Potential to Kinetic

c. Thermal to Chemical

d. Chemical to Thermal

An electric fan has an electric motor inside to change electrical energy into

what other type of energy?

a. Light

b. Kinetic

c. Chemical

d. Potential

What must a wave have in order to travel

a. Energy

b. Large amplitude

c. High Frequency

d. Short wavelength

Waves can be either beneficial or destructive. However, all waves share one common characteristic. What is

that characteristic?

a. They all travel at the same speed

b. They all require a medium through which to travel

c. In large amounts, they all can cause cancer

d. They all transfer energy

When a person squeezes together the coils of a spring and then releases them as show

below, what type of wave is being created?

a. transverse

b. Longitudinal

c. Water

d. Seismic

a. Frequency

b. Wavelength

c. Crest

d. Trough

What is the distance between What is the distance between any two adjacent crest or any two adjacent crest or

compressions in a series of compressions in a series of waves called?waves called?

What is an example of a mechanical wave?

a. Ocean wave

b. Radio Wave

c. Light Wave

d. X-Ray

What is the term for a substance that a Mechanical wave can travel through?

a. Wave gel

b. Signal sap

c. Light Wave

d. Medium

What type of waves may travel without a medium?

a. Ocean wave

b. Sound wave

c. Light wave

d. Seismic wave

A student in a lab observes microwaves, X-rays, radio waves, and sound waves. Which of these waves require a medium

to travel through?

a. Microwave

b. Sound wave

c. X-ray

d. Radio wave

What is the highest point of a transverse wave called?

a. Crest

b. Trough

c. Compression

d. Bottom

What are waves in which the particles vibrate back and forth along the path

that the wave travels called?

a. Transverse

b. Mechanical

c. Longitudinal

d. Electromagnetic

What type of wave is created if a student pushes a spring back and forth?

a. transverse

b. Longitudinal

c. Water

d. Seismic

What is the distance between any two adjacent crests or compressions in a

series of waves called?

a. Wavelength

b. Amplitude

c. Frequency

d. Trough

What is the term for the number of waves produced in a given amount of

time?

a. Wavelength

b. Amplitude

c. Trough

d. Frequency

a. Reflection

b. Refraction

c. Rarefaction

d. Amplitude

What occurs when a wave bounces What occurs when a wave bounces back after striking a barrier?back after striking a barrier?

When you place a pencil in a glass of water, why does the pencil appear to bend?

a. Reflection

b. Contraction

c. Refraction

d. Diffraction

What property of sound waves enables bats to listen for echoes to locate food?

a. Reflection

b. Contraction

c. Refraction

d. Diffraction

Why can a supernova explosion of a large star in space be seen but not heard

on Earth?

b. Sound waves are mechanical waves and cannot travel through space. Visible light is an electromagnetic wave and can travel through space.

c. A supernova can be seen and heard on Earth

d. A supernova cannot be seen or heard on Earth

a. Sound waves are electromagnetic waves and cannot travel through space. Visible light is a mechanical wave and can travel through space.

Study the diagram of a wave. Which number indicates a wavelength

a. 1

b. 2

c. 3

d. 4

Study the diagram of a wave. Which number indicates a Crest?

a. 1

b. 2

c. 3

d. 4

Study the diagram of a wave. Which number indicates a Trough?

a. 1

b. 2

c. 3

d. 4

Study the diagram of a wave. Which number indicates a amplitude?

a. 1

b. 2

c. 3

d. 4

One beneficial property of ultraviolet radiation (UV) occurs when the body is exposed to small amounts of it. This UV radiation causes the body to manufacture a necessary vitamin. What is the name of the vitamin that is produced?

a. Vitamin C

b. Vitamin B

c. Vitamin D

d. Vitamin A

How are gamma rays helpful to people?

a. They allow food to be cooked quickly

b. They are very useful in communication

c. They are used in killing cancer cells

d. They are used for getting a good tan

Surface waves are the most destructive of the earthquake waves. Which

description is usually given as to why these waves are so destructive?

a. The shear parts of the rock sideways from other parts

b. They move ground up and down in circles as the waves travel along the surface

c. They are the fastest seismic waves

d. They cause material to be squeezed into smaller volume or stretch it into a larger volume

Why is it dangerous to be overexposed to loud sound?

a. It can cause a loss of hearing

b. It can cause cancer

c. It can cause a decrease in intelligence

d. It can cause a loss of memory

Scientist have been able to harness the beneficial use of electromagnetic waves. What type of wave is used in T.V. remote control devices that helps change channels, turn the TV on and off, or to change the sound level?

a. X-Ray

b. Infrared

c. Gamma Rays

d. Seismic Waves

What type of wave can travel through the Earth and along the Earth’s surface?

a. Sound waves

b. Electromagnetic waves

c. Seismic waves

d. Transverse waves

What type of electromagnetic wave allows doctors to see broken bones and

disease inside the human body?

a. Radio Waves

b. Microwaves

c. Light Waves

d. X-Rays

What part of the electromagnetic spectrum is used for communication?

a. Radio Waves

b. Microwaves

c. Light Waves

d. X-Rays

a. P wave

b. Surface wave

c. S wave

d. Body wave

What type of seismic wave is the most destructive?

What type of wave enables scientists to study the interior layers of the Earth?

a. Sound waves

b. Electromagnetic waves

c. Seismic waves

d. Transverse waves

You and your friend are going to a loud concert. You know that sound waves can permanently damage your hearing. What can you do to protect your hearing?

a. Sit in the back

b. Use ear plugs

c. Sit by a speaker

d. Both A and B

Below are illustrations of waves. If each illustration represents 1 second, which wave

has the highest frequency?

a. Figure A

b. Figure B

c. Figure C

d. They all have the same frequency

Figure A Figure B Figure C

Scientists measured the speed of light in empty space, glass, water, and air.

Where did they find that light waves travel the fastest?

a. Empty Space

b. Glass

c. Water

d. Air

What are electromagnetic waves made of?

a. Electric and light fields

b. Electric and magnetic fields

c. Light and magnetic fields

d. Radio and television fields

Given the following diagrams of waves, Which wave has the

lowest frequency?

a. Figure a

b. Figure b

c. Figure c

d. All have the same frequency

Below are illustrations of waves. If each illustration represents 1 second, which wave

has the Largest amplitude?

a. Figure A

b. Figure B

c. Figure C

d. They all have the same amplitude

Figure A Figure B Figure C

How are electromagnetic waves classified?

a. Visibility and medium

b. Reflection and Refraction

c. Speed and Chemical Reactivity

d. Wavelength and Frequency

Which of the following waves carries the most energy?

a. Infrared

b. Ultraviolet

c. Gamma Rays

d. X-Rays

Given the following diagrams of waves, rank the waves in order of highest energy to lowest energy. (The time frame for each diagram is one second.)

a. a, b, c

b. b, c, a

c. c, a, b

d. b, a, c

Which waves have the least amount of energy and the longest wavelengths

a. Gamma waves

b. Ultraviolet

c. Radio waves

d. X-Rays

What is the part of the electromagnetic spectrum that our eyes can see?

a. Radio wave

b. X-rays

c. Gamma Rays

d. Visible Light

What type of electromagnetic radiation has wavelengths shorter than visible

light and can cause sunburn?

a. Ultraviolet radiation

b. Infrared radiation

c. Gamma Radiation

d. Cosmic Rays

What type of waves carries television signals?

a. Infrared waves

b. Visible light

c. Radio Waves

d. Gamma Waves

Of all the electromagnetic

waves, which type have the least amount

of energy and the longest wavelength?

a. Infrared waves

b. Gamma Rays

c. Ultraviolet Waves

d. Radio Waves

According to the diagram of the electromagnetic spectrum, what happens to the size of the wavelength as you move from gamma waves to radio waves on the electromagnetic spectrum?

a. Increases

b. Decreases

c. Stays the same

d. Cannot be measured

Which part of the electromagnetic spectrum has the

highest frequency?

a. Infrared waves

b. Gamma Rays

c. Ultraviolet Waves

d. Radio Waves

According to the diagram of the

electromagnetic spectrum, which part of the spectrum has

longer wavelengths?

a. Infrared waves

b. Gamma Rays

c. Ultraviolet Waves

d. Radio Waves

As frequency of an electromagnetic wave increases, how are the wavelength,

amplitude, and speed affected?

a. The amplitude and speed are not affected, but the wavelength is decreased

b. The wavelength and speed are not affected, but the amplitude is decreased.

c. The amplitude and wavelength are not affected, but the speed is increased

d. The amplitude and speed are not affected, but the wavelength is increased

If you are laying on a raft and you notice that the number of waves that go past the raft increases, what will the distance between each crest do?

a. Increase

b. Decrease

c. Stay the Same

d. Both A and B

What type of wave is created if a student ties a rope to a doorknob, holds the other end and flips the rope up and down?

a.Electromagnetic wave

b.Microwave

c. Mechanical

d.Gamma

Why can’t a person hear a ringing alarm clock if she puts it into a vacuum

jar, which contains no air?

a. A sound is a mechanical wave and does not need a medium to transport it

b. A sound is a mechanical wave and needs a medium to transport it

c. A sound wave is an electromagnetic wave and needs a medium to transport it

d. A sound wave is an electromagnetic wave and does not need a medium to transport it.

Energy that is stored in food is mainly what type of energy?

a. Electrical

b. Nuclear

c. Chemical

d. Thermal

What must be true if chemical energy is converted into thermal energy?

a. The total amount of thermal energy plus chemical energy changes

b. Only the amount of chemical energy changes.

c. Only the amount of thermal energy changes.

d. The total amount of thermal energy plus chemical energy does not change.

Mr. Jones wants to patent a machine that he calls his “perpetual motion machine”. He claims that his machine makes more energy than it consumes. Why can’t he receive a patent for his machine?a. Energy cannot be created

b. Energy cannot be patented

c. Energy is limitless

d. Not enough energy is created

What does the law of conservation of energy state?

a. Energy must be conserved and you are breaking a law if you waste energy

b. The supply of energy is limited so we must conserve.

c. The total amount of energy in a system or the universe is constant.

d. Energy cannot be used faster than it is created.

What type of energy is converted when falling water turns a turbine to produce

electrical energy?

a. Potential to Electrical

b. Thermal to kinetic

c. Chemical to Potential

d. Kinetic to Electrical

Why does your body heat up after performing a task such as raking leaves

for several minutes?

a. Your body is an open system

b. Chemical energy is converted to thermal energy

c. Thermal energy is converted to mechanical energy

d. Mechanical energy is converted to chemical energy

A Student observes a charcoal fire in a barbecue pit. In the pit are lava rocks and a metal grill. Of the items in the pit, which is a conversion from chemical energy to thermal energy?

a. Lava rocks heating up

b. Charcoal burning

c. Metal grill heating up

d. None of these

A student in a lab observes microwaves, X-rays, Radio waves, and Sound waves. Which of these waves require a medium to travel through?

a. Microwaves

b. X-Rays

c. Radio Waves

d. Sound Waves

How do longitudinal waves move the particles of a medium?

a. In the opposite direction as the motion of the wave

b. In the same direction as the motion of the wave

c. In either direction as the motion of the wave

d. The particles do not move

Waves in which the particles of vibrate back and forth along the path that the wave travels are called

a. Longitudinal waves

b. Transverse Waves

c. Surface waves

d. Body waves

Waves in which particles of the medium move in a direction perpendicular to the direction which the wave moves is called

a. Longitudinal waves

b. Transverse Waves

c. Surface waves

d. Body waves

A wave in which particles of the medium undergo a circular motion are called

a. Longitudinal waves

b. Transverse Waves

c. Surface waves

d. Body waves

What is the bending of a wave as it passes at an angle from one medium to another?

a. Diffuse reflection

b. Regular Reflection

c. Refraction

d. Diffraction

What is the distance between two adjacent crests or compressions in a series of waves called?

a. Wavelength

b. Amplitude

c. Frequency

d. Ohm

What is the highest point on a transverse wave called?

a. Wavelength

b. Trough

c. Amplitude

d. Crest

________ is the number of waves produced in a given amount of time.

a. Wavelength

b. Amplitude

c. Frequency

d. Ohm

What occurs when a wave bounces back after striking a barrier?

a. Diffuse reflection

b. Regular Reflection

c. Refraction

d. Diffraction

a. Longitudinal waves

b. Transverse Waves

c. Surface waves

d. Body waves

What type of wave is created when a student pushes a spring back and forth?

What can cause a Tsunami?

a. Earthquake

b. Tornado

c. Tropical Storm

d. Mr. Bitzer diving into the ocean

What happens to the speed of a tsunami as it nears the coast?

a. Slows down

b. The wave stops

c. Speeds up

d. Does not change

What kinds of waves are used in radar for detecting the speed of a car?

a. Gamma Rays

b. Microwaves

c. Light Waves

d. X-Rays

Where does the Earth get its major source of energy?

a. The Sun

b. The Milky Way Galaxy

c. The core

d. Magma

What type of waves between 0.3 m and 0.001 m, are used to heat food by causing the water molecules in the food to vibrate faster?

a. Radio Waves

b. Microwaves

c. Light Waves

d. X-Rays

What type of wave carries television signals?

a. Radio Waves

b. Microwaves

c. Light Waves

d. X-Rays

How can you determine if one wave has more energy than another?

a. Frequency

b. Amplitude

c. Both A & B

d. None of these

According to the law of conservation of energy, if some part of the universe cools down (loses energy), what must happen to another part?

a. Another part must also cool down

b. Another part must heat up

c. Another part must develop entropy

d. Another part must increase energy conversions