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10
×
A candle is an example of: A) Natural light source B) Artificial light source
B) Artificial light source
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20
×
What are the Luminous bodies? Explain.
Are bodies which emit light.
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15
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This picture explains the: A) Refraction B) Dispersion C) Reflection
A) Refraction
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20
×
What are the Artificial light sources? Explain.
Are those which emit light but are also man – made.
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15
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Are the stars luminous bodies?
Yes, they are.
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seesaw
Swap points!
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magnet
Take 20 points!
Okay!
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fairy
Take points!
5
10
15
20
25
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lifesaver
Give 20 points!
Oops!
15
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The sun, a jellyfish, the stars and a firefly are examples of Natural or Artificial light sources?
Natural light sources
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15
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These pictures are examples of: A) Refraction B) Dispersion C) Reflection
C) Reflection
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thief
Give points!
5
10
15
20
25
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gold
Win 50 points!
Okay!
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shark
Other team loses 20 points!
Okay!
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baam
Lose 20 points!
Oops!
10
×
A desk is an example of: A) Luminous body B) Illuminated body
B) Illuminated body
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15
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"The moon is an illuminated body." Yes or no?
Yes, it is, because the sun shines on it to light up.
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10
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A firefly is an example of: A) Natural light source B) Artificial light source
A) Natural light source
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20
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How does the light travel and propagate?
Light travels in straight lines and it propagates in all directions
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25
×
What are Opaque object? Explain.
Are things we cannot see through them.
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15
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Is a lightbulb luminous or illuminated body?
Luminous body
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monster
Reset all scores!
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magnet
Take 25 points!
Okay!
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shark
Other team loses 20 points!
Okay!
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lifesaver
Give 10 points!
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×
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