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5
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Give an example of a material that is a good conductor of heat.
metal
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5
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When an object is heated by a heat source, it will _____ heat from the heat source and _____.
When an object is heated by a heat source, it will gain heat from the heat source and expand.
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lifesaver
Give 25 points!
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shark
Other team loses 15 points!
Okay!
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fairy
Take points!
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25
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banana
Go to last place!
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5
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Give an example of a source of heat.
The Sun OR burning wood OR Electrical appliances
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monster
Reset all scores!
Oops!
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gift
Win 25 points!
Okay!
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fairy
Take points!
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25
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thief
Give points!
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25
5
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What are the poor conductors of heat?
Poor conductors of heat allow heat to flow through slower. [rate] Poor conductors of heat allow less heat to flow through. [quantity]
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5
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What are the good conductors of heat?
Good conductors of heat allow heat to flow through faster. [rate] Good conductors of heat allow more heat to flow through. [quantity]
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10
×
How to make the size of a shadow bigger?
Move the light source closer to the object. OR Move the screen further away from the object.
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thief
Give points!
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25
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rocket
Go to first place!
Okay!
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shark
Other team loses 15 points!
Okay!
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thief
Give points!
5
10
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25
10
×
How to make the size of a shadow smaller?
Move the light source further away from the object. OR Move the screen closer to the object.
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5
×
Temperature is measured in _______________ using a ___________.
Temperature is measured in degree Celsius (°C) using a thermometer.
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5
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When a heated object is left to cool, it will ______ heat to the surroundings and ______.
When a heated object is left to cool, it will lose heat to the surroundings and contract.
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5
×
Give an example of a material that is a poor conductor of heat.
plastics OR wood OR rubber
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5
×
What is temperature?
Temperature is a measure of how hot something is.
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5
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How does heat travels?
Heat always travel from a hotter place to a colder place until both places reach the same temperature.
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5
×
Describe how shadow is formed.
A shadow is formed when light is partially or completely blocked by an object.
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