WorksheetsClass work 2 - Light energy
Total questions: 20
Worksheet time: 13mins
A straw sitting in a glass of water looks broken because light travels more slowly through the water than air. This is an example of ____________.
Reflection
Refraction
Absorbing
Transmitting
This is an example of?
fog
Reflection
Refraction
translucent
What is the name of the object in the picture. Hint: it forms a rainbow
lens
telescope
prism
mirror
When some light is passed through an object, we say that object is ____ .
translucent
transparent
opaque
optical
When all of the colors of light are absorbed, we see the color _______.
white
green
black
red
How is light energy transmitted? Light energy is transmitted as _________.
Cells
Waves
Circles
wires
A lemon appears yellow when light is shone on it because the lemon _________ yellow light.
Bends
Refracts
Absorbs
reflects
How many colors is white light from the sun made of?
Three
Twelve
Seven
Five
In which form is energy from the light of the Sun?
Mechanical
Sound
Chemical
Radiant
What does the pupil do in bright light?
The pupil bends the light.
The pupil becomes smaller.
The pupil reflects the light.
The pupil changes color.
How does light affect the pupil?
The pupil gets larger as light decreases.
The pupil gets larger as light increases.
The pupil’s color depends on the amount of light.
The pupil isn’t affected by light.
The moon generates light.
True
False
8. Which statement best explains why you can see yourself when you look at a mirror?
Light is refracted as it passes through the mirror.
Light is refracted, bouncing off the mirror.
Light is reflected, bouncing off the mirror.
Light is reflected as it passes through the mirror.
Why do you feel warm when you stand in the sunlight?
You are warmed by the sunlight that reflects off your clothes.
The sunlight refracts through your body, warming it up.
The sunlight is transmitted through your body, warming it up.
Your clothes absorb some of the sunlight and convert it to heat.
What causes the refraction of a wave?
the density of the medium can change the speed
the amount of the medium changes the direction
