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15
×
Why are plastics used as insulators?
They do not allow heat to pass easily.
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15
×
Which of the following is an insulator?
Plastic
Copper
Steel
Aluminium
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15
×
Explain why turbines spin in a power plant.
Steam or gas expands, pushing the turbine blades.
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15
×
Why does a car engine need cooling?
To prevent overheating and damage.
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×
seesaw
Swap points!
Oops!
×
star
Double points!
Okay!
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fairy
Take points!
5
10
15
20
25
×
thief
Give points!
5
10
15
20
25
×
trap
No points!
Oops!
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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
×
Which stage of a heat engine draws air into the system?
Intake
Compression
Expansion
Exhaust
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15
×
Why is the handle of a saucepan often made of wood?
Wood is an insulator and stays cooler.
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15
×
How does a refrigerator move heat?
It removes heat from inside and releases it outside.
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15
×
Why is safety clothing important in power plants?
To protect from heat, noise, and dangerous equipment.
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15
×
What is the role of a generator in a power plant?
To convert mechanical energy into electricity.
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15
×
Heat can be measured in ____________.
joules
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15
×
What type of heat transfer does the sun use to warm Earth?
Radiation.
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15
×
What is the transfer of energy between objects at different temperatures called?
Friction
Compression
Heat
Radiation
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×
banana
Go to last place!
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magnet
Take 5 points!
Okay!
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fairy
Take points!
5
10
15
20
25
×
lifesaver
Give 10 points!
Oops!
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eraser
Reset score!
Oops!
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rocket
Go to first place!
Okay!
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rocket
Go to first place!
Okay!
×
lifesaver
Give 15 points!
Oops!
×
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