WorksheetsWhat is light energy? Gr4
Total questions: 45
Worksheet time: 50mins
This is an example of?
fog
Reflection
Refraction
translucent
Which object do people use for light.
Can mirror reflect light ?
NO
YES
Can wood reflects light ?
NO
YES
source of light
sun
glass
White light is made up of _________________ colors.
10
3
7
21
Light is a form of ________________
Energy
Currency
Sound
Italian Dressing
All of the following are producers of light EXCEPT _______
The Sun
The Moon
Fire
Lightbulb
Light that bounces back has been ____________
Transferred
Reflected
Absorbed
Rejected
Light travels in ____________
Packs
Pairs
Waves
Circles
A flashlight is a producer of light energy.
True
False
Which explains why the fork looks different under water?
Light can't pass through the glass
Light is refracted at an angle
The wavelength of light legnthens
The amount of light increases when going through water
_________ is a from of energy that we can see with our eyes.
Invisible light
Shadow
Visible Light
Reflection
Light travels in straight lines until reflected or refracted by another object.
True
False
Light is REFRACTED when it bounces off objects such as mirrors or other shiny surfaces.
True
False
Light is ABSORBED when it strikes a surface; darker colors absorb more light.
True
False
Light energy that bends when it passes through a medium.
Light Refraction
Light Reflection
Light Absorption
Light Bulb
Light is ______ off shiny surfaces.
Refracted
Reflected
Absorbed
light bulb
An object that reflects light:
wall
door
mirror
chair
Which light source is natural?
What happens to light after it hits a mirror?
It goes through the mirror and bends
It goes around the mirror
It goes straight through the mirror
It bounces off the mirror
Which of these describes how light travels through an empty space?
It travels straight but may change direction to avoid objects
It comes to a stop after it travels a certain distance
It changes diection often even if ther are no objects
It travels in a straight line without stopping
What does the pencil in this picture show about light?
Light is refracted when it hits a curved object.
light is reflected when it hits a curved object.
Light is refracted when it passes from air into water.
Light is reflected when it passes from air into water.
When light travels through air into a prism, it bends and separates into many colors. In which other situation does light bend?
When light passes through outer space
When light hits a wall
When light hits a mirror
When light moves through air into water
A shiny aluminum screen can be placed on the windshield of a parked car. This screen helpsto keepthe car cool because it -
causes evaporation
conducts electricity
reflects the sunlight
absorbs heat
Susan places four shirts in the sun. Each shirt absorbs a different amount of light. Which shirt will warm up the most?
a pink shirt
a black shirt
a white shirt
a yellow shirt
Ashley sees the reflection of the sun in a lake. Which shows the path of light?
What does the flower stem in this picture show about light refraction?
light is refracted when it hits a colored object
light is refracted when it hits a curved object
light is refracted when it passes through open air
light is refracted when it passes from air into water
Which of these is a source of light energy?
fire
eyes
a mirror
the moon
Which of these things absorb light?
black car
shiny foil
dark blue shirt
brown hat
Which of these things reflect light?
shiny foil
mirror
dark blue shirt
lake
It is the light of the sun which is made up of many different colors of light added together.
rainbow
white light
light spectrum
These are the seven colors of light.
artificial source
prism
light spectrum
white light
________ occurs when an object takes in a light wave.
Absorption
Reflection
Refraction
. Why does light bend when it travels through a different medium?
Light changes speed when it passes through a different medium.
light is reflected when it passes through a different medium.
Light is absorbed when it passes through a different medium.
Light changes to heat when it passes through a different medium.
If an object looks red, that means:
It reflects all colors of light
It absorbs all colors of light
It reflects red color, and absorbs all other colors of light
If an object looks black, that means:
It reflects all colors of light
It absorbs all colors of light
It reflects red color, and absorbs all other colors of light
