Hannah's Science Test

Front 1

Sound moves through __________

Back 1

matter

Front 2

The way _____________ move is similar to the way a spring toy moves.

Back 2

compression

Front 3

The matter through which a wave travels may be a
__________, liquid or gas.

Back 3

solid

Front 4

Sound waves can be described as __________ waves

Back 4

mechanical

Front 5

Most of the sounds we hear travel through the _____.

Back 5

matter.

Front 6

_____________ is a rapid, back and forth motion.

Back 6

Vibration

Front 7

A disturbance that moves energy from place is place is a __________.

Back 7

wave.

Front 8

A vibration that can be heard is a called a ________.

Back 8

sound

Front 9

T/F: In a sound wave particles vibrate back and forth in the same direction that the sound energy is moving.

Back 9

TRUE

Front 10

T/F: Sound moves the slowest through solids.

Back 10

FALSE

Front 11

T/F: Sound waves travel in all directions away from the source of the sound.

Back 11

FALSE

Front 12

T/F: The part of the sound wave where the motion of each vibration pushes together some of the matter is called a frequency.

Back 12

FALSE

Front 13

T/F: The number of sound waves that pass a point in one second is the wave length.

Back 13

FALSE

Front 14

T/F: When a choir sings, air particles vibrate but must remain in place.

Back 14

TRUE

Front 15

T/F: Particles of matter are not carried along with a sound wave.

Back 15

TRUE

Front 16

T/F: The distance from one compression to the next is called a frequency.

Back 16

FALSE

Front 17

The bending of light

Back 17

Refraction

Front 18

The bouncing of a wave off an object

Back 18

Reflection

Front 19

Rays the spread apart

Back 19

Diverge

Front 20

Rays that come together at one point

Back 20

Converge

Front 21

Curved inward (like a bowl)

Back 21

Concave

Front 22

Curved outward (bulging)

Back 22

Convex

Front 23

a curved piece of clear glass or plastic used to focus light

Back 23

Lens

Front 24

lens curved inward (like a bowl)

Back 24

Concave Lens

Front 25

lens curved inward (bulging)

Back 25

Convex Lens

Front 26

any surface that can reflect light to form as image or picture of an object

Back 26

Mirror

Front 27

mirror that causes light to be converged.

Back 27

Concave Mirror

Front 28

mirror that causes light to be diverged.

Back 28

Convex Mirror

Front 29

The number of sound waves that pass a point in one second.

Back 29

Frequency

Front 30

Science of Sound

Back 30

Acoustics

Front 31

the loudness or softness of sound

Back 31

volume

Front 32

the distance from one compression to the next

Back 32

wavelength

Front 33

a rapid, back & forth movement of sound

Back 33

vibration

Front 34

in air is 335 m or 1,100 ft per second

Back 34

speed of sound

Front 35

a disturbance that moves energy from place to place

Back 35

wave

Front 36

a sound wave that bounces back to the source of the sound

Back 36

echo

Front 37

the intensity of the sound

Back 37

decibel

Front 38

the quality of a sound that distinguishes it from other sounds of the same pitch

Back 38

timbre

Front 39

a vibration that can be heard

Back 39

sound

Front 40

the highness or lowness of a sound

Back 40

pitch

Front 41

how high or low a sound is

Back 41

pitch

Front 42

how loud or soft a sound is

Back 42

volume

Front 43

the quality of a sound

Back 43

timbre

Front 44

An object that is vibrating quickly will have a ____ pitch

Back 44

high

Front 45

An object that is vibrating slowly will have a low ____

Back 45

pitch

Front 46

People can usuallly hear sound with frequencies between 20 and ____________ Hz.

Back 46

20,000

Front 47

T/F: The intensity of sound is measured in wavelengths.

Back 47

FALSE

Front 48

T/F: Most of the sounds we hear are a blend of several waves, each with different characteristics.

Back 48

TRUE

Front 49

T/F: Too many large short vibrations can damage the human ear and cause ear pain.

Back 49

FALSE

Front 50

T/F: Musical instruments can play at the same pitch & volume but they still sound different because of their timbre.

Back 50

TRUE

Front 51

A certain type of sound that is often though of as harsh, unwanted or surprising is called _______.

Back 51

noise

Front 52

A sound wave _________ as its energy is used up.

Back 52

fades

Front 53

An _________ is a sound wave that bounces back to the source

Back 53

echo

Front 54

___________ use echoes to help them "see" in the dark

Back 54

Oilbirds.

Front 55

What is the technology called that uses high-frequency echoes to "see" inside the human body?

Back 55

Ultra sound

Front 56

The study of ________ helped in the development of early ideas and theories about sound

Back 56

Music

Front 57

On a(n) _____________, the waves of calm sounds are usually seen as smooth curves.

Back 57

Oscilloscope

Front 58

The science of sound is called ___________

Back 58

acoustics

Front 59

Surfaces that are smooth and hard usually _________ sound.

Back 59

reflect

Front 60

Rough, soft or ______________ materials absorb sound.

Back 60

fuzzy

Front 61

The different colors of light are called the

Back 61

visible spectrum

Front 62

_____________ makes things visible

Back 62

Light

Front 63

Light always travels in a ___________line.

Back 63

straight

Front 64

When light enters different ___________ the speed of light also changes

Back 64

mediums

Front 65

The bending of light as it passes from one medium to another is called ______________.

Back 65

refraction

Front 66

Colors of the visible spectrum are placed in order according to their ____________.

Back 66

wave lengths.

Front 67

When light bounces off an object this is called

Back 67

reflection

Front 68

__________ objects do not allow any light to pass through them.

Back 68

Opaque

Front 69

T/F: Pigments are opaque substances that are used to color other materials.

Back 69

TRUE

Front 70

T/F: The primary colors of light are the same as the primary colors of art.

Back 70

FALSE

Front 71

T/F: The secondary colors of light are red, blue and green.

Back 71

FALSE

Front 72

T/F: You will see black when all the colors of light are reflected.

Back 72

FALSE

Front 73

The color of an object is determine by the color that is being reflected to your eye.The colors that are not seen are absorbed.

Back 73

TRUE

Front 74

T/F: All waves have the same basic properties

Back 74

TRUE

Front 75

T/F: Waves that move perpendicular to the way that the matter is moving are called transverse waves.

Back 75

TRUE

Front 76

Light waves travel slower than sound waves.

Back 76

FALSE

Front 77

The first thing that God created was sound.

Back 77

FALSE

Front 78

The _______________ of a transverse is the distance between two crests or between two troughs.

Back 78

wave length

Front 79

______________ is a form of wave energy.

Back 79

Light

Front 80

Light is an __________________ wave.

Back 80

Electromagnetic

Front 81

_______________ is the height of a wave.

Back 81

Amplitude

Front 82

separates white light into the visible spectrum

Back 82

prisms

Front 83

ROY G BIV

Back 83

visible spectrum

Front 84

bending of light

Back 84

refraction

Front 85

material in which light is not able to pass through

Back 85

opaque

Front 86

determine which colors are reflected or refracted

Back 86

pigment

Front 87

all colors reflected

Back 87

white

Front 88

all colors absorbed

Back 88

black

Front 89

magneta, yellow and cyan

Back 89

primary pigments

Front 90

all primary pigments mixed together

Back 90

black

Front 91

red, blue and green

Back 91

primary colors of light

Front 92

red plus green equals

Back 92

yellow

Front 93

red plus green plus blue equals

Back 93

white

Front 94

light from heat

Back 94

incandescent

Front 95

cool light

Back 95

luminescent

Front 96

LASER stands for

Back 96

Light, Amplification, Stimulated, Emission, Radiation