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25
×
Two examples of thermal conductors
Water and metals (copper, aluminium, gold, steel...)
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25
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Change of state: liquid --> gas
Evaporation
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25
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Transparent materials ______________ light pass through them. We ___________ see objects clearly
let, can
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25
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A change of volume is called ___________________
Expansion
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thief
Give points!
5
10
15
20
25
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seesaw
Swap points!
Okay!
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fairy
Take points!
5
10
15
20
25
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thief
Give points!
5
10
15
20
25
15
×
Example of a transparent material
Glass
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25
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_______________ do not transfer heat very well
Insulators
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15
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Example of a translucent material
Plastic
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25
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The flow of thermal energy from one object to another is called _____________
Heat
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20
×
_____________________ occurs when light hits an objects and bounces in another direction
Reflection
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25
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Translucent materials let ______________ light pass through them. We can see objects, but _____________ clearly
some, not
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25
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Mirrors are an example of ________________
Reflection
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15
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Example of an opaque material
Wood, metal
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eraser
Reset score!
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magnet
Take 15 points!
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rocket
Go to first place!
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baam
Lose 15 points!
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25
×
What are the three characteristics of light?
Speed, colour and direction
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banana
Go to last place!
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fairy
Take points!
5
10
15
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25
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rocket
Go to first place!
Okay!
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banana
Go to last place!
Oops!
×
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