Mra. Cicco

Question 1

True or False

light always travels in a wave

Answer 1

TRUE

Question 2

True or false

Almost all light is made by people

Answer 2

FALSE

Question 3

True or false

Humans can see all of the light there is in the world

Answer 3

FALSE

Question 4

True or False

Light travels at different speeds depending on what material it is traveling through

Answer 4

TRUE

Question 5

True or false

The Different Colors we see depend on the light waves that hit out eyes

Answer 5

TRUE

Question 6

Light Is a form of what?

Answer 6

Energy

Question 7

What type of wave does light travel in?

Answer 7

Transverse

Question 8

Most of the light on earth comes from?

Answer 8

Sun

Question 9

Light travels in what lines through medium?

Answer 9

Straight

Question 10

Light travels fastest through what?

Answer 10

Empty Space

Question 11

TRUE OR FALSE

Light travels very fast around 300,000 kilometres per second

Answer 11

TRUE

Question 12

Why do we see lightening before we heart thunder?

Answer 12

Light travels faster than sound

Question 13

Does light need a medium?

Answer 13

No lol

Question 14

There are certain types of light that we can see called???

Answer 14

Visible light ( ROY G BIV)

Question 15

There are many types of light we cannot see through, All different types of lights are called?

Answer 15

Electromagnetic radiation

Question 16

What’s faster, light or sound

Answer 16

Light my dudes

Question 17

is light fastest through fart (gas) lul

Answer 17

yea

Question 18

Light is what wave

Answer 18

Transverse

Question 19

Sound is what wave my dude

Answer 19

Longitudinal lol

Question 20

True or false, both light and sound absorb.

Answer 20

TRUE LOL

Question 21

Both carry energy? Light and sound? Naw or yah

Answer 21

YAH LOL

Question 22

Both light and sound have frequency? lol yes or lol no

Answer 22

lol yea

Question 23

The longer the wave length the _____ the frequency?

Answer 23

Longer the wavelength, the lower the frequency

Question 24

You can hear a lower pitch because?

Answer 24

The frequency is lower

Question 25

You can hear a higher pitch because?

Answer 25

The frequency is higher

Question 26

As an ambulance approaches, the siren's sound waves become more _______ ?

Answer 26

The siren's sound waves become more Frequent (Closer together)

Question 27

As the ambulance drives away, the siren sound waves become less _____ ?

Answer 27

The Siren's sound waves become less frequent (Farther apart)

Question 28

A sound source (Car train plane) moving towards an observer ______ the sound wave in front of it

Answer 28

Moving towards an observer COMPRESSES

Question 29

What does ROY G BIV mean my dudes?

Answer 29

Red Orange Yellow Green Blue Indigo Violet

Question 30

How are sound waves like ripples in a pond?

Answer 30

They radiate outward from a central point

Question 31

What is the function of the ridges on your outer ear ?

Answer 31

They direct sound into your ear

Question 32

Why does a pencil bend when dip into water

Answer 32

Refraction

Question 33

What has to occur for a sound to form?

Answer 33

Vibration

Question 34

What is vibration?

Answer 34

A rapid back and fourth motion

Question 35

What does a vibration do to the air molecules that surround the object making the sound?

Answer 35

It causes them to vibrate too!

Question 36

What type of wave is a sound wave

Answer 36

Longitudnal

Question 37

Does sound wave travel in a straight line?

Answer 37

Sound waves travel out from the source in all direction

Question 38

At room temperature (about 20*C or 68F) sound travels through air at about ___ meters per second

Answer 38

343 METERS PER SEC MY DUDE

Question 39

The speed of sound depends on factors such as? | Two things

Answer 39

Temperature | Density

Question 40

What is temperature?

Answer 40

An objective measurement of hot or cold duh?

Question 41

if a sound wave is moving through hot substance (like me) will it be easier or harder for the wave to travel?

Answer 41

Harder

Question 42

Why is it harder for sound wave to travel through hot substance?

Answer 42

Molecules at a higher temperature have more energy which cause faster vibrations

Question 43

What is density?

Answer 43

The number of particles in a certain amount of substance

Question 44

Which would transfer sound more quickly? Solid, liquid, or gas?

Answer 44

Solid because the particles of solid are more closer together than in a liquid and a gas.

Question 45

Properties of sound? | 2 Things

Answer 45

Intensity/Volume | Pitch

Question 46

What is loudness?

Answer 46

Your perception of the energy of a sound (loud or soft)

Question 47

What is pitch?

Answer 47

Highness, or lowness of a sound.

Question 48

What determines a pitch?

Answer 48

The number of waves that pass a point in a certain amount of time

Question 49

The faster an object vibrates, the _______ the pitch and vice versa

Answer 49

The faster an object vibrates, the higher the pitch.