The kinetic energy of the water particles decreases.
2. Multiple Choice
30 seconds
1 pt
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 water molecules decreases.
The kinetic energy of the thermometer’s liquid molecules increases.
3. Multiple Choice
30 seconds
1 pt
Carmen is heating some water and trying to measure the temperature of water using a Farenheit thermometer. Which measurement can she expect once the water begins to boil?
32°F
373°F
100° F
212°F
4. Multiple Choice
30 seconds
1 pt
What is the temperature, in degrees Celsius, of a substance with a temperature of 49K?
322°C
–224°C
224°C
–322°C
5. Multiple Choice
30 seconds
1 pt
Which shows the potential energy of particles in three substances, from least to greatest?
gas, liquid, solid
solid, liquid, gas
liquid, gas, solid
liquid, solid, gas
6. Multiple Choice
30 seconds
1 pt
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 coffee increases.
The average kinetic energy of the particles in the mug decreases.
7. Multiple Choice
30 seconds
1 pt
Which best describes thermal energy?
It is the difference between internal energies of two or more substances.
It is the sum of internal energies of two or more substances.
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.
8. Multiple Choice
30 seconds
1 pt
What happens when the thermal energy of a substance increases?
The motion of the particles in the substance increases, and the temperature of the substance decreases.
Both the motion of the particles in the substance and the temperature of the substance increase.
The motion of the particles in the substance decreases, and the temperature of the substance increases.
Both the motion of the particles in the substance and the temperature of the substance decrease.
9. Multiple Choice
30 seconds
1 pt
Which of these indicates that a liquid has transferred thermal energy to the air?
The liquid decreases in temperature, and its particles lose kinetic energy.
The liquid increases in temperature, and its particles lose kinetic energy.
The liquid decreases in temperature, and its particles gain kinetic energy.
The liquid increases in temperature, and its particles gain kinetic energy.
10. Multiple Choice
30 seconds
1 pt
What does the Law of Conservation of Energy state?
Energy should be conserved
Matter can neither be created nor destroyed
Energy can not be destroyed, only transferred or transformed