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Thermal Energy
Test Description: Review for Thermal Energy Unit
Instructions: Answer all questions to get your test result.
1) Thermal energy is the total amount of energy from the movement of particles in matter
A
True
B
False
2) What happens to the molecules in a substance as temperature increases?
A
Move faster
B
All of the above
C
Gain energy
D
Spread out
3) What happens to the molecules in a substance as temperature decreases?
A
Lose energy
B
Move faster
C
Spread out
D
All of the above
4) Which direction does heat energy flow?
A
From the colder object to the warmer
B
From the warmer object to the cooler object
C
Heat energy does not move from object to object
5) When does the flow of heat between two materials stop?
A
There is no flow of heat energy between objects
B
When both objects reach the same temperature
C
It never stops
6) What type of materials transfer energy by conduction?
A
Solids
B
Electromagnetic Waves
C
Liquids
D
Gases
7) What types of materials transfer energy by convection
A
Liquids and gases
B
Liquids
C
Gases
D
Solids
8) What types of materials transfer energy by radiation?
A
Liquids
B
Gases
C
Electromagnetic Waves
D
Solids
9) The process that moves energy from one object to another when are touching is
A
Convection
B
Radiation
C
Conduction
10) The transfer of energy through a gas or a liquid when a hot gas or liquid heats and rises then cools sinks
A
Convection
B
Conduction
C
Radiation
11) The transfer of energy through electromagnetic waves is
A
Radiation
B
Conduction
C
Convection
12) Materials that can transfer energy easily are
A
Conductors
B
Insulators
13) Materials that can not transfer energy easily are
A
Conductors
B
Insulators
14) A good conductor is
A
Cotton
B
Water
C
Styrofoam
D
Aluminum
15) A good insulator is
A
Plastic
B
Wool
C
All of the above
D
Rubber
16) Which of the following describes the amount of heat needed to raise the temperature of one gram of a substance by one degree?
A
Specific Heat
B
Thermal Energy
C
Thermal Equilibrium
D
Specific Temperature
17) Which term describes the average kinetic energy due to the movement of molecules in a substance?
A
Thermal Energy
B
Heat
C
Specific Heat
D
Temperature
18) the greater a substance's specific heat, the _______________ is required to raise that substances temperature
A
more energy
B
less energy
19) The more mass a substance/object has, the ____________ thermal energy
A
more
B
less
20) Why might items such as pots and pans be made of materials like copper, stainless steel, or iron?
A
Looks better in the kitchen
B
Energy will travel more easily/quicker through these metals
*select an answer for all questions
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