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sound and light

Total questions: 44

Worksheet time: 48mins

Name
Class
Date
1.

Continuous honking of vehicles cause

a)

air pollution

b)

water pollution

c)

noise pollution

d)

all of these

2.

Trees are good sound absorbers

a)

FALSE

b)

TRUE

3.
True or False
You can hear in space.
a)
True
b)
False
4.
An object that does not vibrate cannot produce
a)
sound
b)
light
c)
heat
d)
electricity
5.
Why is the school library covered with carpet?
a)
So everyone can make a lot of noise
b)
to help absorb sounds to keep it quiet
c)
because it looks good
d)
to help absorb sounds so it can stay noisy
6.

Which of the following is a harmful effect of noise pollution?

a)

Cold

b)

Deafness

c)

Cough

d)

Fever

7.

A bird chirping is a/n __________ sound.

a)

unpleasant

b)

pleasant

8.

A baby crying is a _________.

a)

pleasant sound

b)

unpleasant sound

9.

A sound with a high frequency has a _____ pitch. A sound with a ____ frequency has a low pitch.

a)

high, low

b)

low, high

c)

medium, high

d)

high, medium

10.

Pleasant Sound or Unpleasant Sound:

sounds coming from fireworks

a)
b)
11.

True or False: White light has no colour

a)

True

b)

False

12.
Why does this the t-shirt appear red and the shorts appear blue?
a)
The t-shirt reflects red light, the shorts reflect green light, other colours are absorbed.
b)
The t-shirt reflects blue light, the shorts reflect red light, other colours are absorbed.
c)
The t-shirt reflects red light, the shorts absorb yellow light, all other colours are reflected
d)
The t-shirt reflects red light, the shorts reflect blue light, other colours are absorbed.
13.
What colours is white light made from?
a)
Orange, Green, Pink, Magenta, Peach, Rose, Lemon
b)
Red, Orange Yellow, Green, Black, Indigo, Violet
c)
Red, Orange, Yellow, Green, Blue, Indigo, Violet
d)
Red, Orange, Yellow, Grey, Blue, Indigo, Violet
14.
What color is NOT in a rainbow
a)
yellow
b)
indigo
c)
orange
d)
pink
15.

A Rainbow is formed due to

a)

reflection

b)

refraction

c)

both refraction and reflection

d)

Magic Leprechauns

16.
As frequency _____, pitch _____.
a)
rises, falls
b)
decreases, increases
c)
increases, decreases
d)
increases, increases
17.
Which color of light is produced when all of the colors of visible light in the electromagnetic spectrum are combined?
a)
gray
b)
white
c)
black
18.

The volume of a sound is measured in what unit?

a)

pitch

b)

decibels

c)

amplitude

d)

frequency

19.

The bouncing of sound off a hard surface is called ____________.

a)

acoustics

b)

refraction

c)

echo

d)

reflection

20.

Why does white light look like a rainbow when it exits a prism?

a)

The prism adds more kinds of light.

b)

The prism changes some white light into electricity.

c)

The prism is filled with many different colors.

d)

The prism separates white light into its component colors.

21.

Which surface would bounce back almost all of the light that hit it?

a)

frosted glass

b)

clear plastic

c)

mirror

d)

water

22.

A ______________ lens is a lens that is thinner in the middle and makes an object appear smaller.

a)

concave

b)

refraction

c)

convex

d)

mirror

23.

______________ is the measurement of the number of vibrations per second.

a)

volume

b)

pitch

c)

refraction

d)

frequency

24.

How high or low a sound is is called

a)

frequency

b)

pitch

c)

volume

d)

opaque

25.

The loudness of sound is called

a)

volume

b)

pitch

c)

refraction

d)

frequency

26.

Light travels fastest in

a)

Solids

b)

Liquids

c)

Gases

d)

Vacuum

27.

Which is the fastest form or energy

a)

sound

b)

light

c)

thermal

d)

nuclear

28.

Sound travels the fastest through a ____________.

a)

solid

b)

liquid

c)

gas

d)

none of them

29.
You will see a flash of lightening before you hear the thunder that goes with it because-
a)
the eye is quicker than the ear
b)
thunder occurs much later than lightening
c)
sound travels faster through the  atmosphere than light
d)
light travels faster through the atmosphere than sound
30.
Band of color in a rainbow, or from a light passing through a prism.
a)
Spectrum
b)
Space
c)
Prism
d)
Refraction
31.
______ is a lens that is thicker on its edges and makes an object appear smaller?
a)
mirror
b)
convex lens
c)
concave lens
d)
prism
32.
_____ is a lens that is thicker in the middle and makes an object appear bigger.
a)
prism
b)
convex lens
c)
concave lens
d)
mirror
33.
Smooth surfaces _______ a lot of light.
a)
reflect
b)
bend
c)
absorb
d)
twist
34.
Which explains why the fork looks different under water?
a)
light can't pass through the glass
b)
the wavelength of light lengthens
c)
the amount of light increases when going through water
d)
light is refracted at an angle
35.
When a rainbow is formed outside naturally, what causes the light to refract?
a)
A. Small raindrops
b)
B. Sunlight rays
c)
C. Tiny mirrors
d)
D. Glass prisms
36.
Measure of how high or low a sound is
a)
amplitude
b)
compression
c)
speed of sound
d)
pitch
37.
What is frequency?
a)
the number of vibrations per second
b)
how high or low a sound is
c)
the loudness or softness of a sound
d)
the back and forth movement of matter
38.
Sound is caused by? 
a)
force
b)
vibrations
c)
instruments
39.

The bending of waves as they enter a new medium at an angle caused by a change in speed

a)

transparent

b)

refraction

c)

translucent

d)

emission

40.

The bouncing back of a wave when it hits a surface through which it cannot pass

a)

transparent

b)

rarefaction

c)

reflection

d)

emission

41.

Solids, liquids and gases are all example of

a)

wavelengths of matter

b)

lens that are convex

c)

waves that are made

d)

mediums that sound travels through

42.

A lens that is thicker in the center than at the edges

a)

concave

b)

cencentrate

c)

concentric

d)

convex

43.

A lens that is thinner in the center than at the edges

a)

convex

b)

concave

c)

concentric

d)

concentrated

44.

A description of how a sound is perceived as high or low.

a)

wavelength

b)

tonal

c)

loud

d)

pitch

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