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WorksheetsLight 8J
Total questions: 57
Worksheet time: 42mins
Name
Class
Date
1.
What does refletion mean?
a)
It is when the light changes the material and the direction of it changes as well.
b)
It is when the material is rebounding the light.
2.
Which images are opaque?
a)
A & C
b)
A,C,E, & F
c)
D, E, & F
d)
A & E
3.
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
4.
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
5.
Smooth surfaces _______ a lot of light.
a)
reflect
b)
bend
c)
absorb
d)
twist
6.
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
7.
Another name for light bending is ....
a)
Reflaction
b)
Absorbing
c)
Refraction
d)
mirror
8.
The Law of Reflection:
The angle of incidence is _________ the angle of reflection
The angle of incidence is _________ the angle of reflection
a)
bigger than
b)
the same as
c)
smaller than
9.
Luminous means...
a)
Gives out its own light
b)
Reflects light from other things
10.
Opaque means...
a)
No light passes through it
b)
All light passes through it
c)
Some light passes through it
11.
When light passes through a prism the light is bent and breaks into the visible spectrum. What color bends the most and has the shortest wavelength?
a)
Red
b)
Yellow
c)
Blue
d)
Violet
12.
_____ 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
13.
______ 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
14.
The color you see is the color that is ___.
a)
reflected
b)
absorbed
15.
___________ is a from of energy that we can see with our eyes.
a)
shadow
b)
light
c)
energy
d)
reflection
16.
Which term means to bounce off the surface of something?
a)
Refract
b)
Absorb
c)
Reflect
d)
prism
17.
Band of color in a rainbow, or from a light passing through a prism.
a)
Spectrum
b)
Space
c)
Prism
d)
Refraction
18.
The bending of waves as they pass from one substance into another.
a)
Reaction
b)
Reflection
c)
Refraction
d)
Repost
19.
The term for any wave that hits a surface and bounces off
a)
Transparent
b)
Translucent
c)
Refraction
d)
Reflection
20.
Allows most light through
a)
eflection
b)
Refraction
c)
Translucent
d)
Transparent
21.
Transfer of energy when a wave disappears into a surface
a)
Transparent
b)
Refraction
c)
Reflection
d)
Absorption
22.
White light is made up of _________________ colors.
a)
10
b)
3
c)
7
d)
70
23.
What does light do when it hits an object that it cannot pass through?
a)
It creates a shadow
b)
It passes through anyway
24.
If light strikes a mirror at a 50⁰ angle, what angle will it come off of the mirror?
a)
50⁰
b)
70⁰
c)
45⁰
d)
30⁰
25.
Which color reflects all light?
a)
White
b)
Black
c)
Orange
d)
Green
26.
Which part of the eye opens in dark places and closes in bright places?
a)
Cornea
b)
Retina
c)
Pupil
d)
Lens
27.
Which part of the eye is the place where images are inverted?
a)
Retina
b)
Cornea
c)
Lens
d)
Iris
28.
Which part of the eye contracts and dilates based on the environment?
a)
Pupil
b)
Cornea
c)
Sclera
d)
Iris
29.
This part of the eye focuses light/images onto the retina.
a)
lens
b)
cornea
c)
cones
d)
vitreous humor
30.
In a well lit room, your pupils will _____________________.
a)
dilate
b)
shrink
c)
change color
d)
not change color
31.
When light shines through a prism it creates a ________________
a)
colors
b)
ROY G. BIV
c)
spectrum
d)
electromagnetic wave
32.
Light is a form of
a)
energy
b)
radiation
c)
reflection
33.
Light travels in a straight line
a)
True
b)
False
34.
Wax paper or a foggy window is an example of what type of material.
a)
transparent
b)
translucent
c)
opaque
35.
What is reflection in simple terms?
a)
Soaks up light
b)
Passes through
c)
light bounces off
36.
____________________ is the hole through which light enters the eye.
a)
Cornea
b)
Iris
c)
Retina
d)
Pupil
37.
________________________ gives your eye its color/ Example: Brown, hazel, green, blue
a)
Iris
b)
Retina
c)
Lens
d)
Cornea
38.
What cells make up the retina
a)
rods and cones
b)
pupil and iris
c)
optic nerve and cornea
39.
What is the visible spectrum of light?
a)
Red, Orange, yellow, green, blue, indigo, violet
b)
Violet, indigo, blue, green, yellow, orange, red
c)
Red, orange, yellow, green, blue, violet
d)
Orange, red, yellow, green, blue violet
40.
When you pass light through a prism, you are able to seperate white light into all it's colors. What is that called?
a)
Rainbow
b)
red
c)
Visible Light Spectrum
41.
An example of a transparent object is..
a)
glass
b)
air
c)
brick
d)
none of the above
e)
all of the abover
42.
Ms. Ciarroccki is looking at herself in a mirror, she wonders how she can see herself in the mirror. Help her to explain what is happening.
a)
She can see herself because of a process known as reflection. Light is reflected therefore she can see herself.
b)
She can see herself because of a process known as refraction. Light bends therefore she can see herself.
c)
Ms. Ciarroccki is magical and actually can produce her own light like the sun!
d)
none of the above
43.
when light passes through a prism, light is
a)
refracted, or bent, so we can see all of the colors that make up white light.
b)
reflected, so we can see all of the colors that make up white light.
c)
mirrored back to us, so we can see all the colors that make up white light.
44.
Why does a lemon look yellow?
a)
because it absorbs yellow light and reflects white light
b)
because it absorbs all colors of light
c)
because it absobs yellow light waves and reflects the others
d)
because it reflects yellow light waves and absorbs the others
45.
What happens when light hits an object you can see?
a)
The light turns corners.
b)
The light curves around the object.
c)
The object reflects the light.
d)
The light and the object do not form a shadow.
46.
What happens to blue light when it hits a shirt that appears blue?
a)
The light is reflected.
b)
The light is absorbed.
c)
The light is refracted.
d)
The light is blocked.
47.
Which is true of a green grape?
a)
It absorbs green light.
b)
It absorbs white light.
c)
It reflects green light.
d)
It reflects white light.
48.
Why does the reflection of the trees in the lake appear blurry?
a)
The light that hits the water is reflected in different directions.
b)
The light that hits the water is reflected at different speeds.
c)
The light is reflected from the uneven bottom of the lake.
d)
The light that is reflected from the trees is refracted by the lake.
49.
What is a property of a transparent object?
a)
Almost all of the light rays that reach it are scattered.
b)
Almost all of the light rays that reach it are absorbed.
c)
Almost all of the light rays that reach it are reflected.
d)
Almost all of the light rays that reach it pass through it.
50.
What is most likely to happen to light that hits an opaque object?
a)
All of the light passes through the object.
b)
None of the light passes through the object.
c)
Most of the light disappears.
d)
Some of the light passes through the object.
51.
Which is transparent?
a)
a wooden fence
b)
clean water
c)
aluminum foil
d)
a purple balloon
52.
How does light travel/move?
a)
In ONE direction, VERY fast
b)
In ALL directions, VERY fast
53.
Which objects REFLECT more light?
a)
Shiny objects
b)
Dull objects (not shiny)
54.
When light passes through things it ________.
a)
BENDS
b)
STAYS in the SAME direction.
55.
___________ is when light BENDS or CHANGES direction.
a)
Reflection
b)
Refraction
56.
A Magnifying glass uses refraction to make things look closer.
a)
TRUE
b)
FALSE
57.
What is a prism?
a)
a transparent object that separates white light
b)
an opaque object that appears black
c)
a translucent object
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