Question 1

Energy is

Accepted Answer

the ability of something or someone to do work.

Answer

the speed of sound.

Answer

the same thing as speed.

Answer

always man made.

Question 2

Reflected is

Accepted Answer

when light or sound waves bounce off of an object, surface or material.

Answer

when light or sound is absorbed by a material.

Answer

when light travels through a small opening, it spreads out in all directions

Answer

the distance from the peak of one wave to the peak of the consecutive wave.

Question 3

Absorb is

Accepted Answer

to take in or soak up something such as energy in a natural or gradual way

Answer

to scatter

Answer

to reflect

Answer

when light or sound waves bounce off of an object, surface or material.

Question 4

Refracted means

Accepted Answer

to make light change direction when it goes through at an angle

Answer

when light or sound waves bounce off of an object, surface or material.

Answer

when light travels through a small opening, it spreads out in all directions

Answer

when light is so bright it makes it difficult to see.

Question 5

Diffraction is

Accepted Answer

when light travels through a small opening, it spreads out in all directions

Answer

when light or sound is absorbed by an object, surface, or material.

Answer

the difference between two beams of lights

Answer

when light or sound waves bounce off of an object, surface or material.

Question 6

artificial means

Accepted Answer

made by people

Answer

chemical

Answer

naturally made

Answer

dangerous

Question 7

Amplitude means

Accepted Answer

the distance that a sound wave travels from its resting point to its peak.

Answer

to make light change direction when it goes through at an angle

Answer

the siren lights on an ambulance

Answer

the distance light travels in a minute

Question 8

Wavelength means

Accepted Answer

the distance from the peak of one wave to the peak of the consecutive wave.

Answer

the distance between the shore and the ocean

Answer

the time it takes for someone to wave to another person.

Answer

the distance that a sound wave travels from its resting point to its peak.

Question 9

Pitch refers to

Accepted Answer

the frequency of a sound and is either high, medium or low.

Answer

to make light change direction when it goes through at an angle

Answer

the distance that a sound wave travels from its resting point to its peak.

Answer

the distance from the peak of one wave to the peak of the consecutive wave.

Question 10

Spectrum is

Accepted Answer

the group of colours that a ray of light can be separated into including red, orange, yellow, green, blue, indigo, and violet

Answer

the frequency of a sound and is either high, medium or low.

Answer

when light or sound waves bounce off of an object, surface or material

Answer

when light travels through a small opening, it spreads out in all directions

Question 11

Light and sound are both forms of energy.

Accepted Answer

true

Answer

false

Question 12

White light is created by mixing only blue and yellow together.

Accepted Answer

false

Answer

true

Question 13

Light does not travel in a straight path. It can twist and turn around objects to get to its destination.

Accepted Answer

false

Answer

true

Question 14

Specular reflection is when light reflects off a surface in many different paths while diffuse reflection is when light reflects off a surface in one path.

Accepted Answer

false

Answer

true

Question 15

Light can be created either naturally or artificially.

Accepted Answer

true

Answer

false

Question 16

Sound travels in waves.

Accepted Answer

true

Answer

false

Question 17

Sound travels at different speeds through different forms of matter.

Accepted Answer

true

Answer

false

Question 18

Typically, sound waves that hit hard surfaces will be absorbed and sound waves that hit soft surface will be reflected.

Accepted Answer

false

Answer

true

Question 19

A sound wave cannot be modified.

Accepted Answer

false

Answer

true

Question 20

The advancement of light and sound technologies has an effect on the environment.

Accepted Answer

true

Answer

false

Question 21

The smallest type of waves on the electromagnetic spectrum are…

Accepted Answer

gamma rays

Answer

infrared rays

Answer

microwave rays

Answer

ultraviolet rays

Question 22

The following are examples of the properties of light EXCEPT…

Accepted Answer

light is only white

Answer

light can be reflected

Answer

light can be absorbed

Answer

light travels in a straight path

Question 23

Which of the following is an example of a natural light source?

Accepted Answer

The sun.

Answer

A light bulb.

Answer

A cell phone screen.

Answer

A flashlight.

Question 24

Which of the following cannot produce sound?

Accepted Answer

An astronaut in space.

Answer

an instrument

Answer

a human voice

Answer

cars

Question 25

The following are examples of the properties of sound EXCEPT…

Accepted Answer

sound travels in a straight path

Answer

sound travels in waves

Answer

sound can be absorbed

Answer

sound can be modified

Question 26

Sound waves are created by _________ that travel through matter.

Accepted Answer

vibrations

Answer

ripples

Answer

electrons

Answer

atoms

Question 27

Materials that block the path of light are considered…

Accepted Answer

opaque

Answer

translucent

Answer

transparent

Answer

all of the above

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