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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
False
B
True
2) What happens to the molecules in a substance as temperature increases?
A
Spread out
B
Move faster
C
Gain energy
D
All of the above
3) What happens to the molecules in a substance as temperature decreases?
A
Move faster
B
Spread out
C
All of the above
D
Lose energy
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
Liquids
B
Gases
C
Solids
D
Electromagnetic Waves
7) What types of materials transfer energy by convection
A
Gases
B
Solids
C
Liquids and gases
D
Liquids
8) What types of materials transfer energy by radiation?
A
Electromagnetic Waves
B
Liquids
C
Gases
D
Solids
9) The process that moves energy from one object to another when are touching is
A
Radiation
B
Conduction
C
Convection
10) The transfer of energy through a gas or a liquid when a hot gas or liquid heats and rises then cools sinks
A
Radiation
B
Convection
C
Conduction
11) The transfer of energy through electromagnetic waves is
A
Convection
B
Conduction
C
Radiation
12) Materials that can transfer energy easily are
A
Insulators
B
Conductors
13) Materials that can not transfer energy easily are
A
Insulators
B
Conductors
14) A good conductor is
A
Water
B
Aluminum
C
Styrofoam
D
Cotton
15) A good insulator is
A
Plastic
B
Rubber
C
All of the above
D
Wool
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
Thermal Equilibrium
B
Specific Heat
C
Specific Temperature
D
Thermal Energy
17) Which term describes the average kinetic energy due to the movement of molecules in a substance?
A
Heat
B
Temperature
C
Thermal Energy
D
Specific Heat
18) the greater a substance's specific heat, the _______________ is required to raise that substances temperature
A
less energy
B
more energy
19) The more mass a substance/object has, the ____________ thermal energy
A
less
B
more
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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