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G6. Science Practice Quiz-Light and Sound

Total questions: 59

Worksheet time: 1hrs 3mins

Name
Class
Date
1.
A back and forth movement of matter
a)
volume
b)
vibration
c)
pitch
d)
frequency
2.
how high or low a sound is
a)
frequency
b)
volume
c)
vibration
d)
pitch
3.
Sound is caused by? 
a)
force
b)
vibrations
c)
instruments
4.
Sound does not travel in space because
a)
Space is too far away.
b)
There is no matter in space.
c)
Space is the final frontier
d)
Space has planets.
5.
A sound with a high pitch would have
a)
a low frequency
b)
a high frequency
c)
a low amplitude
d)
a high amplitude
6.
This part of the ear is vibrated by sound waves.  It is a lightly stretched membrane that is the entrance to the middle ear.
a)
Pinna
b)
Ear Drum
c)
Hammer
d)
Cochlea
7.

The number of vibrations per second is known as ----

a)

Hertz

b)

Amplitude

c)

Frequency

8.

The unit for measuring frequency is the ---

a)

Joule

b)

Hertz

c)

Gram

d)

Newton

9.

Sound waves travel the fastest through ---

a)

Liquids

b)

Gases

c)

Solids

10.

Sound cannot pass through ____________.

a)

air

b)

vacuum

c)

gas

d)

liquid

11.

Sound travel fastest in ___________ and slowest in ____________.

a)

gas, solid

b)

solid gas,

12.

The outer ear is made up of ____________

a)

oval window, auditory nerves

b)

pinna, auditory canal and eardrum

13.

The intensity of sound is measured with sound level meter on a scale called_______________

a)

Decibel (dB) scale

b)

meter scale

c)

Ritcher scale

14.
Which window is opaque?
a)
Window 1
b)
Window 2
c)
Window 3
d)
None
15.
___________ is a from of energy that we can see with our eyes.
a)
shadow
b)
light
c)
energy
d)
reflection 
16.
When light bends through a new medium, what is happening?
a)
reflection
b)
refraction
c)
absorption
d)
translucent
17.
This diagram best represents 
a)
reflection
b)
refraction
c)
absorption
d)
diffusion
18.
Light rays bend when they go from air to water  because of a change in ___________.
a)
color
b)
wavelength
c)
density
d)
speed
19.
Law of reflection state that - The angle of incidence is .................. to the angle of reflection.
a)
equal
b)
double
c)
half
20.
What does the word "converging" mean?
a)
to separate
b)
to come together
c)
parallel 
d)
perpendicular
21.
_____ 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
22.
What does it mean to reflect?
a)
bounce off
b)
bend
c)
refract
d)
energy
23.
a flat sheet of glass that has a smooth, silver-colored coating on one side
a)
plane mirror
b)
concave mirror
c)
convex mirror
d)
solid mirror
24.
The following is a picture of what type of mirror? 
a)
Convex (diverging) mirror
b)
Concave (converging) mirror
c)
Plane Mirror
d)
Flat Mirror
25.
The following is a picture of what type of mirror? 
a)
Convex (diverging) Mirror
b)
Concave (converging) Mirror
c)
Plane Mirror
d)
Flat Mirror
26.
This is an example of a __________ mirror.
a)
Concave
b)
Convex
c)
Plane
d)
Magnifying
27.

Type of mirror used in a convenience store to provide a wide angle view...

a)

Plane

b)

Convex

c)

Concave

28.

Type of mirror found in a bathroom...

a)

Plane

b)

Convex

c)

Concave

29.

Type of mirror used as a side mirror on a vehicle to provide a wide angle view...

a)

Plane

b)

Convex

c)

Concave

30.

Type of mirror that can produce an inverted image...

a)

Plane

b)

Convex

c)

Concave

31.

Type of mirror that provides a wide angle view...

a)

Plane

b)

Convex

c)

Concave

32.

Plane mirrors are coated with ?

a)

Gold

b)

Silver

c)

Copper

33.

The image which can be formed on a screen is called?

a)

Real

b)

Virtual

c)

Inverted

34.

Statement A : Images formed on screen are called virtual

Statement b : Images formed by plane mirror are erect

a)

Both statements are true

b)

Both statements are false

c)

A is true, B is false

d)

A is false, B is true

35.

Why it is written in this manner?

a)

Mirrors in front vehicles invert it upside down

b)

Mirrors in front vehicles invert it left to right

c)

Mirrors wont invert

36.

The size of your reflection formed in the plane mirror is?

a)

Smaller than you

b)

Bigger than you

c)

No change / Same size

37.

Which of the following is not a plane mirror?

a)

Spoon surface

b)

Smartphone display

c)

Laptop display

38.
An ________ is a reflected sound.
a)
Vibration
b)
Echo
c)
Pitch
d)
Volume
39.

Solutions for Noise Pollution

a)

Don't drive the car/bus

b)

Don't play music

c)

Planting bushes and trees in and around sound generating sources

d)

using headset/earphone

40.

Sources of Noise Pollution

a)

voice of guitar

b)

voice of piano

c)

voice of transportasion like bus/train

d)

voice of fan

41.

A disturbance of silent environment with harsh loud noises.

a)

thermal pollution

b)

air pollution

c)

sound pollution

d)

light pollution

42.

__________ pollution is harmful or annoying level of noise, as from vehicles, industry activities, etc.

a)

light

b)

visual

c)

soil

d)

noise

43.

What types of pollution are there?

a)

water pollution

b)

sun pollution

c)

air pollution

d)

land pollution

e)

noise pollution

44.

Choose an image with noise pollution

a)
b)
c)
d)
45.

What causes noise pollution?

a)

sounds of cars

b)

factories noise

c)

harmful gases

d)

loud concerts

46.

Animals in water can also be affected by Noise.

a)

True

b)

False

c)

none of the above

47.

The above lens is a type of ___.

a)

diverging lens

b)

converging lens

c)

divergent lens

d)

convergent lens

48.

The path of the light is

a)

always a straight line

b)

a curved line

c)

a zig-zag line

d)

depends on the medium

49.

What type of lens is used in the shown instrument?

a)

concave lens

b)

convex lens

c)

reflection lens

d)

reduction lens

50.
A material that reflects or absorbs all of the light that strikes it is called which of the following? 
a)
Transparent
b)
Translucent
c)
Diffuse
d)
Opaque
51.
What does it mean to reflect?
a)
bounce off
b)
bend
c)
refract
d)
energy
52.
Smooth surfaces _______ a lot of light.
a)
reflect
b)
bend
c)
absorb
d)
twist
53.
All of the following are sources of light except ______________
a)
the sun
b)
a light bulb
c)
fire
d)
the moon
54.
Light can travel through empty space.
a)
True
b)
False
55.
Which of the following items would most likely reflect light?
a)
tree
b)
mirror
c)
horse
d)
brick wall
56.

Frosted glass is made of glass with an etched surface. How would you describe the glass as light travels through it?

a)

Translucent

b)

Transparent

c)

Opaque

d)

Diffraction

57.

Which is not a luminous body?

a)

Sun

b)

Star

c)

Planet

d)

Glow worm

58.

Light waves cannot travel completely through the following?

a)

Air

b)

rock

c)

water

d)

vacuum

59.

A medium, which totally allows the light rays to pass through it is called __________.

a)

transparent

b)

translucent

c)

non-luminous

d)

opaque

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