WorksheetsTEST ON ENERGY
Total questions: 23
Worksheet time: 12mins
Which of the following is an example of light energy used at school?
Turning up the volume on the speakers tomake music louder.
Turning on a lamp tomake the room brighter.
Turning on a fan to make the room cooler.
Which objects do people use for light? (choose all that apply)
Which light source is natural?
Which light source is man-made?
Which light source is natural?
Which light source is man-made?
STAR
FLASHLIGHT
Which of the following is a natural source of light?
lamp
sun
flashlight
What is reflection?
The bending of light when it moves through one kind of matter to another
The taking in of light by a material
Th bouncing of light off an object
What is refraction?
The bending of light when it moves through one kind of matter to another
Th bouncing oflight off an object
The taking in of light by a material
Light is a kind of _______.
reflection
color
heat
energy
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.
What kind of path does light take?
Up and down
Zig zag
Straight
Curvy
What happens to light when it passes through a prism? (Select all that apply)
The light does not pass through the prism.
All of the light is reflected off the surface.
The light breaks into the colors of the rainbow.
The light is refracted (bends) as it passes through the prism.
Which of these best demonstrates the reflection of light?
Looking through the glass of a large window
Looking at a light bulb that is glowing
looking at an image formed on a silver spoon
looking at a star on a clear night
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
Which object do people use for light?
Which object do people use for light?
Opaque means...
No light passes through it
All light passes through it
Some light passes through it
The picture that represents the eclipse of the sun is
A
B
A and B
no one
Transparent
A material that allows some light to pass through it
a material that allows light to pass through it
