
Science (Heat) U2L4 (4th Grade)
Authored by Yan Li
Science
4th Grade
NGSS covered
Used 1+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the definition of Heat 热 (rè)?
A movement of energy from a warmer object to a cooler object.
Is when ice melted.
A movement of energy from a cooler object to a warmer object.
Is the transfer of energy.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the definition of conduction 传导 (chuán dǎo)?
Is the energy that comes from a source in the form of waves or particles.
Is the heat of the energy.
Is when the light come on.
Is the transfer of energy between two solid objects that are touching.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the definition of convection 对流 (duì liú)?
Is when the transfer of energy stop, and trapped at one place.
Is the transfer of energy in moving gases or liquids.
Is the transfer of energy between two solid objects that are touching.
Is the energy that comes from a source in the form of waves or particles.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the definition of radiation 辐射 (fú shè)?
Is when the transfer of energy stop, and trapped at one place.
Is the transfer of energy in moving gases or liquids.
Is the transfer of energy between two solid objects that are touching.
Is the energy that comes from a source in the form of waves or particles.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thermal energy 热能 (rè néng) cannot be created or destroyed.
True
False
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does heat 热 (rè) produced by friction 摩擦 (mó cā) cause problems?
Friction creates thermal energy, because friction makes things cool down.
Friction creates thermal energy, so the machine has less energy to work because some of it is converted into heat.
Friction creates thermal energy, so it makes the machine goes really fast.
Friction creates thermal energy, so it makes the machine stop.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mixing and burning can also produce thermal energy 热能 (rè néng).
True
False
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