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- 1. Multiple Choice
When holding an ice cube, what causes the ice to melt?
Thermal energy from the ice is transferred to the air.
Thermal energy from the hand is transferred to the ice.
The hand absorbs thermal energy from the ice.
- 2. Multiple Choice
Hot coffee in a mug cools over time and the mug warms up. Which describes the energy in this system?
Thermal energy from the coffee is transferred to the mug.
Thermal energy from the mug is transferred to the coffee.
The average kinetic energy of the particles in the mug decreases.
- 3. Multiple Choice
What happens when the thermal energy of a substance increases?
Both the motion of the particles in the substance and the temperature of the substance increase.
Both the motion of the particles in the substance and the temperature of the substance decrease.
The motion of the particles in the substance increases, and the temperature of the substance decreases.
- 4. Multiple Choice
Which best describes thermal energy?
It is the portion of internal energy that can be transferred from one substance to another.
It is the portion of potential energy that can be transferred from one substance to another.
It is the difference between internal energies of two or more substances.
- 5. Multiple Choice
Which type of energy refers to the sum of potential and kinetic energies in the particles of a substance?
motion
heat
internal
- 6. Multiple Choice
Which shows the potential energy of particles in three substances, from least to greatest?
liquid, gas, solid
solid, liquid, gas
gas, liquid, solid
- 7. Multiple Choice
To convert 78 degrees Fahrenheit to Celsius; First subtract 32 from 78. What next?
Multiply 46 by 5/9
Add 273 to 46
Multiply 46 by 9/5
- 8. Multiple Choice
What is the temperature in degrees Celsius, of a substance with a temperature of 49 K?
-322 degrees Celsius
-224 degrees Celsius
224 degrees Celsius
- 9. Multiple Choice
Which is equal to a temperature of 50 degrees Fahrenheit?
10 degrees Celsius
18 degrees Celsius
32 degrees Celsius
- 10. Multiple Choice
When measuring the temperature of salt water, if you added 273 to the measured value, what are you doing?
Converting degrees Celsius to Fahrenheit
Converting Fahrenheit to degrees Celsius
Converting degrees Celsius to Kelvins
- 11. Multiple Choice
The diagram shows the scales used for recording temperatures. The labels for the scales are missing. Which labels complete the diagram?
W: Fahrenheit
X: Celsius
Y: Kelvin
W: Kelvin
X: Celsius
Y: Fahrenheit
W: Celsius
X: Fahrenheit
Y: Kelvin
- 12. Multiple Choice
A thermometer is placed in water in order to measure the water's temperature. What would cause the liquid in the thermometer to drop?
The kinetic energy of the thermometer's liquid molecules increases.
The kinetic energy of the water molecules decreases.
The molecules in the thermometer's liquid spread apart.
- 13. Multiple Choice
A thermometer is placed in water in order to measure the water's temperature. What would cause the liquid in the thermometer to rise?
The molecules in the water move closer together.
The molecules in the thermometer's liquid spread apart.
The kinetic energy of the thermometer's liquid molecules decreases.
- 14. Multiple Choice
Which refers to the area on the thermometer marked with the letter A?
scale
mercury strip
number line
- 15. Multiple Choice
What happens when heat is removed from water?
The kinetic energy of the water particles decreases.
The temperature of the water increases.
The water particles move farther apart.
- 16. Multiple Choice
The particles in substance W have a greater average kinetic energy than the particles in substance Z.
The particles in substance X have a greater average kinetic energy than the particles in substance Z.
The particles in substance W have a lower average kinetic energy than the particles in subsance X.
- 17. Multiple Choice
Substance X has the highest temperature because its particles have more kinetic energy.
Substance X has the highest temperature because it has fewer particles.
Substance Y has the highest temperature because it particles have more kinetic energy.
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