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15
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Which of the following is a natural source of light? ( moon - candles - flashlight - firefly)
firefly
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15
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Smart board is made of ................................. that are always moving.
particles
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15
×
Anything that gives heat has light energy. (True / False)
Fslae
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15
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In Radiation, heat moves as ................................
waves
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thief
Give points!
5
10
15
20
25
×
gold
Win 50 points!
Okay!
×
gift
Win 25 points!
Okay!
×
lifesaver
Give 15 points!
Oops!
15
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Which of the following is a man-made source of light? ( stars - Sun - laptop - lightening)
laptop
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15
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Particles move (faster - slower) when cooled.
slower
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15
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When heat transfer from a far source of heat, it moves by ( Conduction - Convection - Radiation)
Radiation
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15
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Jelly fish can generate its own light, so jelly fish is a (natural - man made) light source.
natural
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Okay!
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trap
No points!
Oops!
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fairy
Take points!
5
10
15
20
25
×
gift
Win 20 points!
Okay!
×
baam
Lose 20 points!
Oops!
15
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when heating food, its particles move .......................... & ............................. each other.
faster - away from
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Okay!
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15
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Particles move (faster - slower) when heated.
faster
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Okay!
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monster
Reset all scores!
Oops!
×
gift
Win 15 points!
Okay!
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shark
Other team loses 10 points!
Okay!
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banana
Go to last place!
Oops!
15
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The picture shows the particles of (carbon dioxide - shoes - milk)
Carbon dioxide
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15
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How is heat energy move? From hot to cold - from cold to hot - Heat doesn't move
From hot to cold
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Okay!
Check
15
×
(giraffe - jellyfish - lion) can generate its own light.
jellyfish
Oops!
Check
Okay!
Check
×
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