Sounds was very important to Alexander Graham Bell, Why?

Bell's mother was deaf and Bell taught deaf people to speak by feeling vib.

Determine why an explosion is seen before it is heard.

Light travel through air faster than sound

is something that is contagious and spreads quickly

How do goggles and binoculars help us see in the dark?

They amplify what little light there is

How might your life be different without the phone?

I would have to write letters to communicate with people far away

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Science Review (Studies Weekly Week 5:Light and Sound)

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Questions 20

Answers

1
What problem adversely effects people who desire peace and quiet?
Pollination
Chemical Plants
Noise pollution
A nearby park
2
What does EM stand for?
Everyday Magnets
Electromagnetic
Electrical Magnifying Glass
Even More
3
What do the rods and cones do?
They are like a window in the front of the eye
They add color to what we see
The are a membrane inside the eye
They give what we see its shape
4
What is it called when light bends?
Benzene
Refraction
Reflection
Broken
5
Sounds was very important to Alexander Graham Bell, Why?
Bell played musical instruments
Bell had difficultly hearing
Bell wanted to make a lot of money by inventing something that made sounds
Bell's mother was deaf and Bell taught deaf people to speak by feeling vib.
6
What happens if an atom gets excited?
The electrons stop moving
The electrons give off photons
The photons give off electrons
The nucleus gives off photons
7
Determine why an explosion is seen before it is heard.
Light travel through air faster than sound
Sound is louder, so an explosion is head before it is seen
Light and sound travel at the same speed
Sound travels through air faster than sound
8
What is a virus?
can be controlled easily
is another name for the length of a sound wave
is something that no one is interested in
is something that is contagious and spreads quickly
9
What is the color part of the eye called?
Pupil
Lid
Iris
Lash
10
How loud a sound is depends on ________
The brightness of the wave
The length of a sound wave
The width of the wave
The wave height or amplitude
11
Which is true of both sound and light waves?
Can travel through space
Measured in hertz
Travel at a speed of 740 mph
Can be refracted
12
What word is synonymous with spectrum?
Height
Amplitude
Size
Range
13
How do goggles and binoculars help us see in the dark?
They make the pupil bigger or smaller when going from light to dark
The give us night vision
They amplify what little light there is
They make what we are looking at a little bigger
14
What is the decibel range for the sound of rain falling?
180-195
60-75
90-100
15-25
15
_________ is an electromagnetic energy that travels through space at 186,000 miles per second
Light
Sunlight
Sound
Fossilization
16
What wavelength is the shortest?
ultraviolet
infrared
radio
gamme rays
17
_________ is made from air that has been pushed by something moving.Answer:
Sunlight
Light
Fossilization
Sound
18
Who was Thomas Watson?
A famous teacher of the deaf
A mechanic and model maker
Gave Bell money to do research on sound
The real inventor of the telephone
19
Which one is NOT an example of an object that produces light?
Candle
LED Light
Syrup
Sun
20
How might your life be different without the phone?
My life would be the same
I would have to write letters to communicate with people far away
I could never talk to my friends
I would be very bored and have nothing to do

Science Review (Studies Weekly Week 5:Light and Sound) Flashcards | StudBud