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Science - light

Total questions: 53

Worksheet time: 40mins

Name
Class
Date
1.
Smooth surfaces _______ a lot of light.
a)
reflect
b)
bend
c)
absorb
d)
twist
2.
Why do we see objects as white?
a)
They absorb all light
b)
They reflect all light
c)
They absorb some light and reflect some light
3.
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
4.
If you are wearing a yellow shirt, what is true of the light that strikes it?
a)
Yellow is absorbed; everything else is reflected
b)
Yellow is reflected; everything else is absorbed
c)
All colors are reflected
d)
All colors are absorbed
5.
If you are wearing a black sweatshirt, what happens to most of the light that strikes the sweatshirt 
a)
It is absorbed
b)
It is reflected
c)
It is transmitted
6.
When a ray of light moves from the air to water it bends due to a change in
a)
Velocity
b)
Direction
c)
Speed
7.
Refraction is
a)
light bending 
b)
light bouncing
8.
Reflection is
a)
Light bending
b)
Light bouncing
9.
These waves travel in a __________ line.
a)
jagged
b)
squiggly
c)
straight
d)
obstructive 
10.
Which is transparent?
a)
a wooden fence
b)
clean water
c)
aluminum foil
d)
a purple balloon
11.

1. Select the type of material that the definition and the picture represent.

a)

Transparent

b)

Translucent

c)

Opaque

12.
Things make shadows because they ______ light.
a)
BLOCK
b)
PASS
13.
What happens to light after it hits a mirror?
a)
It goes through the mirror and bend.
b)
It goes straight through the mirror.
c)
It goes around the mirror.
d)
It bounces off the mirror.
14.

The moon _________ the sun's light.

a)

reflects

b)

absorbs

c)

turns on

d)

dims

15.

Mirrors work by

a)

Absorbing the light

b)

Refracting the light

c)

Reflecting the light

d)

Letting the light through

16.

Which material only lets SOME light through?

a)

Transparent

b)

Translucent

c)

Opaque

17.
What is this?
a)
Opaque
b)
transparent
c)
translucent
18.
What is this
a)
opaque
b)
transparent
c)
translucent
19.
What is this
a)
transparent
b)
translucent
c)
opaque
20.
The water is what
a)
opaque
b)
translucent
c)
transparent
21.
What is this
a)
translucent
b)
opaque
c)
transparent
22.
What is this
a)
translucent
b)
transparent
c)
opaque
23.
What three things may happen to light that strikes an object? 
a)
The light may be reflected, transmitted or absorbed.
b)
The light may be reflected and refracted.
c)
The light may be absorbed and transmitted.
24.
The two kinds of reflection are 
a)
transparent and translucent
b)
opaque and translucent
c)
regular and diffuse
25.
_______ mirrors can form either a virtual or a real image
a)
concave mirrors
b)
convex mirrors
c)
plane mirrors
26.

Why does this tree make a shadow?

a)

It blocks light.

b)

It vibrates.

c)

It gives off heat.

27.

When you block the sun, you make a ____________________.

a)

a light

b)

a sound

c)

a shadow

28.

What word would describe a window?

a)

opaque

b)

translucent

c)

transparent

29.

This leaf will

a)

Reflect green light

b)

Absorb green light

c)

Reflect red light

d)

Reflect no light

30.

A material that allows light to pass through it.

a)

opaque

b)

translucent

c)

transparent

d)

prism

31.

A dark area of surface created by an object blocking light.

a)

shadow

b)

opaque

c)

transparent

d)

reflect

32.

A material that allows SOME light to pass through it.

a)

opaque

b)

translucent

c)

transparent

d)

prism

33.

A form of energy we can see.

a)

heat

b)

electricity

c)

light

d)

sound

34.

Light travels in straight lines until reflected by another object. Which illustration best shows the light being reflected?

a)
b)
c)
d)
35.
Which color happens when all colors of light are reflected?
a)
yellow
b)
white
c)
black
d)
red
36.
What property of light is represented by the picture?
a)
reflection
b)
diffraction
c)
refraction
d)
absorption
37.
Who is your favorite teacher?
a)
Science teacher
b)
Math teacher
c)
ELA teacher
d)

Portuguese teacher

38.

What causes refraction?

a)

A change in frequency of a wave.

b)

A change in amplitude of a wave

c)

A change in speed of a wave.

d)

A change in phase of a wave.

39.
In what medium does light travel the fastest?
a)
vacuum
b)
air
c)
water
d)
glass
40.
What is infrared radiation?
a)
The circulation of a fluid caused by heating it.
b)
Transfer of heat inside a metal.
c)
Heat energy transfer by electromagnetic waves
d)
Transfer of light energy
41.
Which of the following is the best at absorbing infrared radiation?
a)
Dark, matt surface
b)
Light, shiny surface
c)
Dark, shiny surface
42.

The portion of the electromagnetic spectrum that humans can see is called:

a)

radio waves

b)

visible light

c)

gamma rays

d)

x-rays

43.

When wavelength increases...

a)

energy decreases

b)

energy increases

44.

the distance between peaks of electromagnetic waves is called:

a)

wavelength

b)

frequency

c)

energy

d)

Planck's Constant

45.

Which type of electromagnetic energy carries the least energy?

a)

X-Rays

b)

Visible Light

c)

Ultraviolet

d)

Microwaves

46.

We perceive various wavelengths within the visible light spectrum as:

a)

sound

b)

color

c)

time

d)

smell

47.

If you see an object that is "red", what does this mean?

a)

The object is absorbing only red wavelengths

b)

The object is reflecting only red wavelengths

48.

Rahim heated some leftovers in a microwave oven. He noticed that although the food got hot, the inside of the microwave oven did not. This happens because _______.

a)

the walls of the microwave oven are good heat insulators

b)

there is no air in a microwave oven

c)

the fan in the microwave oven keeps it cool

d)

microwaves heat by interacting with water molecules

49.

Sunscreen is designed to protect your skin from exposure to too much ___________.

a)

ultraviolet radiation

b)

gamma radiation

c)

infrared radiation

d)

visible light

50.

Which of the following types of EMR is used to send a signal from a TV remote control device to change the channel on a TV?

a)

radio waves

b)

microwaves

c)

infrared

d)

X-ray

51.

Which wave has the lowest frequency?

a)

A

b)

B

c)

C

d)

D

52.

Rays used to take pictures of bones of human body

a)

X-ray

b)

Light

c)

Photo

d)

None of the above

53.

Produced by nuclear reactions

a)

Radio Waves

b)

Nuclear Waves

c)

Gamma rays

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