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- 1. Multiple Choice
What is the only form of energy we can see?
heat
light
mirror
- 2. Multiple Choice
What is our main source of light?
sun
moon
trees
- 3. Multiple Choice
Which is NOT a source of light?
firefly
ball
sun
torch
- 4. Multiple Choice
What part of our body do we use to detect light?
- 5. Multiple ChoiceWhat are the two kinds of light?Natural and UnaturalUnatural and ArtificialArtificial and Man MadeNatural and Artificial
- 6. Multiple Choice
Which image shows the artificial source of light?
- 7. Multiple Choice
Which source of light is natural?
fireworks
lightbulb
lightning
headlights
- 8. Multiple Choice
We can only see objects because...
A light source illuminates the object
Our eyes illuminates the objects
The objects illuminate themselves
- 9. Multiple Choice
Which picture is the brightest?
- 10. Multiple Choice
Which picture is showing darkness?
- 11. Multiple ChoiceCan we see all objects in the dark?NoYes
- 12. Multiple ChoiceLight travelsaround cornersin a straight line
- 13. Multiple ChoiceWhere does the sun rise?NorthSouthEastWest
- 14. Multiple ChoiceWhere does the sun set?NorthSouthEastWest
- 15. Multiple ChoiceThe Sun seems to travel across the sky from ___________ to __________.south to northwest to eastnorth to southeast to west
- 16. Multiple ChoiceWhich light source causes shadows in the outdoor environment?The SunThe LightbulbThe HouseThe School
- 17. Multiple Choice
Does the moon provide light?
yes
no
- 18. Multiple ChoiceWhat does the moon do?produces lightreflects the suns lightproduces heat
- 19. Multiple ChoiceWhat is causes a shadow?turning the lights off in a roomstanding still with your back to the sunthe sun being blocked out by an objectstanding in a dark room
- 20. Multiple Choice
Shadows are longest during _______.
morning and evening
noon
night
- 21. Multiple Choice
Shadows are shortest ...
at night
in the morning
in the middle of the day
in the evening
- 22. Multiple Choice
When the sun gets lower in the sky, shadows get______.
longer
gone
shorter
darker
- 23. Multiple Choice
When the sun gets higher in the sky, shadows get ______.
longer
gone
shorter
darker
- 24. Multiple Choice
Shadows made by the sun are shorter…
in the morning while the sun when the sun is rising
at midday when the sun is directly overhead
in the evening when the sun is setting
- 25. Multiple Choice
When the Sun is behind you, your shadow is ...
behind you
in front of you
at the side of you
not there
- 26. Multiple Choice
When was this picture most likely taken?
(Hint: think about the shadow's length)
morning or evening
night
noon
afternoon
- 27. Multiple Choice
What do shadows on Earth help show?
Earth's rotation
Earth's revolution
Earth's equator
Earth's axis
- 28. Multiple ChoiceIf the object is close to the light source it is...smallerlargertranslucenttransparent
- 29. Multiple ChoiceIf an object is far away from the light, it is...squarebiggerlargersmaller
- 30. Multiple Choice
Opaque is?
Material that allows light to pass through
Light made by nature
Material that allows no light to pass through
- 31. Multiple ChoiceWhich images are opaque?A & CA,C,E, & FD, E, & FA & E
- 32. Multiple ChoiceSmooth surfaces _______ a lot of light.reflectbendabsorbtwist
- 33. Multiple Choice
Which object allows you to see your reflection?
rock
mirror
paper
- 34. Multiple Choice
Transparent is?
A material that allows light to pass through
The colors of the rainbow
Light made by man
- 35. Multiple Choice
A shadow is created when a light is absorbed by something transparent.
true
false
- 36. Multiple Choice
Translucent is?
When light bounces off an object
Material that only allows a little light to pass through
Our main source of light
- 37. Multiple ChoiceWhich will make the darkest shadow? Light shining on a...sheet of thin tissue paperglass windowwooden chopping boardnone of the above
- 38. Multiple Choice
What object could light NOT pass through?
glass window
red plastic cup
water
clear plastic bag
- 39. Multiple Choice
What causes sunlight to damage your skin?
UG rays
UL rays
US rays
UV rays
- 40. Multiple Choice
UV stands for
Ultra Violent
Ultra Violet
Unsafe Vision
Unstable Violin
- 41. Multiple Choice
Which colours reflect more light?
Bright colours
Dark colours
- 42. Multiple ChoiceWe can see glow in the dark objects in the dark because they are..brightyellowluminescent
- 43. Multiple Choice
Which of the following explains why Jia Xin can see the book on the table?
- 44. Multiple Choice
The results in the table show the amount of light passing through four materials, W, X, Y and Z.
What can object Y be made of?
frosted glass
clear plastic
metal
wood
- 45. Multiple Choice
The graph shows the amount of light that could pass through four sheets of different materials, W, X, Y and Z. Which sheet will form the lightest shadow?
W
X
Y
Z
- 46. Multiple Choice
To cast a bigger shadow on the screen, we need to ________.
move the screen nearer to the ball
move the ball nearer to the light source
move the light further away from the ball
move the ball further away from the light source
- 47. Multiple Choice
Which one of the following shadows would likely be seen on the screen?
- 48. Multiple Choice
When Richard switched on the torch, a bright star shaped light was seen only on Sheet C. Which sheet(s) allow / allows light to pass through?
A
B
C
D
- 49. Multiple Choice
When Richard switched on the torch, a bright star shaped light was seen only on Sheet C. Which sheet(s) do or does NOT allow light to pass through?
A and C
A and B
B and C
B and D
- 50. Multiple Choice
Based on Shayanne's experiment, the height (h), of the shadow is _____________________.
lesser when the light source is nearer the object
greater when the liight source is nearer the object.
unchanged when the light source is placed further away from the object
greater when the light source is further away from the object
- 51. Multiple Choice
Which graph shows the length of Nayli's shadow from 7 a.m. to 6 p.m. ion a certain day.
- 52. Multiple Choice
Which one of the following shadows cannot be formed by the teacup shown in the diagram.
- Answer choicesTagsAnswer choicesTags