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- 1. Multiple Choice
Which of these is our main source of light?
Lightbulbs
The Sun
Fire
All of them
- 2. Multiple ChoiceWhat kind of path does light take?It travels in a straight line until it hits something or goes through it.It bounces off all objects.It curves around all objects.It goes through all objects.
- 3. Multiple Choice
A line that light travels in is called a ...
light source
ray
wave
reflection
- 4. Multiple Choice
The bouncing of light off an object is ....
a mirror
absorption
a reflection
refraction
- 5. Multiple Choice
Scientists use mirrors to study reflection. When a light ray hits a mirror, it reflects off at the same angle as it hits the mirror.
True
False
- 6. Multiple Choice
Why do mirrors reflect light well?
Because you can see your face in one.
They are a light source.
They are used in periscopes.
They have a shiny surface.
- 7. Multiple Choice
You are enabled to see objects because...
light travels out of your eyes and onto an object.
light travels out of an object.
light reflects off of an object and into your eyes.
light brightens up objects.
- 8. Multiple ChoiceThe bouncing of light off an object is ....a mirrorabsorptionreflectionrefraction
- 9. Multiple ChoiceThe taking in of light by a material....absorptionreflectionrefractiondark colors
- 10. Multiple ChoiceWhat kind of path does light take?It travels in a straight line until it hits something or goes through it.It bounces off all objects.It curves around all objects.It goes through all objects.
- 11. Multiple Choicesmooth, shiny surfacesreflectrefractabsorb
- 12. Multiple Choice
We can also see things that are not light sources because...
some of us have good eyesight.
we use a torch to help.
light bounces off objects and enters our eyes.
- 13. Multiple Choice
What is the correct order of what happens when our eyes see the flower in the picture: 1. the light bounces off, 2. the light enters the boy's eyes, 3. the sunlight hits the flower.
1-2-3
2-1-3
3-1-2
- 14. Multiple Choice
Scientists use mirror to study reflection. When a light ray hits a mirror, it reflects off and change direction.
True
False
- 15. Multiple Choice
When light from the sun hits a tree, it _______________ off the tree and into your eye
reflects
absorbs
- 16. Multiple Choice
The law of reflection involves two light rays. What are they?
incident and reflected
light and dark
- 17. Multiple Choice
What is the best explanation for Mickey seeing himself in the mirror?
refraction
absorbed
reflection
flipped
- 18. Multiple Choice
What is the angle of mirror in periscope
35
45
55
65
- 19. Multiple Choice
How many mirrors there are in the periscope?
5
4
3
2
- 20. Multiple Choice
How does periscope works?
A periscope works by using two mirrors to reflect light from one mirror to another for the person to see the things that is behind a high obstacle.
It works by using one mirror to reflect for us to see things behind a high obstacle.
It works by using one glass to reflect for us to see things behind a high obstacle.
- 21. Multiple Choice
Mirrors can help us to see things________ us
in front of
beside
behind
above
- 22. Multiple Choice
In order to see what is on your back you need_____ mirror(s).
1
3
5
2
- 23. Multiple Choice
The driver uses ___________ to see the behind cars
security mirror
rear view mirror
dentist mirror
plane mirror
- 24. Multiple ChoiceThe illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-absorbedstoppedreflectedrefracted - 25. Multiple Choice
What happens if the light hits a smooth surface?
It scatters
It bounces back
It is absorbed
- 26. Multiple ChoiceWhat surface best reflects light?dullshinyclearblack
- 27. Multiple Choice
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.
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