5.4- Notes: Temperature And Heat

Multiple Select

In what way(s) can the thermal energy of an object be increased?

• increase the motion of the particles

• increase the mass or number of particles

• increase the temperature

• increase the density

Multiple Choice

How does increasing the motion of the particles affect thermal energy?

• It increases the thermal energy

• It decreases the thermal energy

• It has no effect on thermal energy

• It only affects the mass

Multiple Choice

Which sample has more thermal energy: Sample A or Sample B?

• Sample A

• Sample B

• Both have equal thermal energy

Multiple Choice

Which sample has more thermal energy: Sample A or sample B?

• Sample A

• Sample B

• They are the same

Multiple Choice

Based on the diagrams, why did sample B have more thermal energy?

• The particles had more mass

• The particles had more motion

Multiple Choice

Which sample has more thermal energy: Sample A or Sample B?

• Sample A

• Sample B

• Both have equal thermal energy

• Cannot be determined

Multiple Choice

Which sample has more thermal energy: Sample A or Sample B?

• Sample A

• Sample B

• Both have equal thermal energy

• Cannot be determined

Multiple Choice

Based on the diagrams, why did sample B have more thermal energy?

• There were more particles

• The particles had more motion

Multiple Choice

Which sample has more thermal energy: Sample A or Sample B?

• Sample A

• Sample B

• Both have equal thermal energy

• Cannot be determined

Multiple Select

Which of the following statements are true about thermal energy? (choose 2 correct answers)

• Thermal energy increases with the number of particles.

• Thermal energy increases with particle movement.

• Thermal energy is only dependent on temperature.

• Thermal energy is the same for all samples.

Multiple Choice

The sample with the greatest number of moving particles will have the ___ thermal energy.

• most
• least

• equal

Multiple Choice

Which beaker(s) has the greatest volume?

• Beaker A

• Beaker B

• Beaker C

• Beaker B and C are equal

Multiple Choice

Which beaker(s) has the highest temperature?

• Beaker A

• Beaker B

• Beaker C

• Beaker B and C are equal

Multiple Choice

Which beaker(s) has the most thermal energy?

• Beaker A

• Beaker B

• Beaker C

• Beaker B and C are equal

Multiple Choice

Which has more thermal energy: 50mL of water at 100ºC or 500mL of water at 20ºC? (hint: multiply the temperature by the volume)

• 50mL of water at 100ºC

• 500mL of water at 20ºC

• Both have the same thermal energy

Multiple Choice

What does temperature measure in a substance?

• The average amount of energy of the molecules in random motion

• The total energy of the molecules

• The speed of the molecules

• The number of molecules

Multiple Choice

Which way will thermal energy move between two objects at 147°C and 129°C?

• From 129°C to 147°C

• From 147°C to 129°C

• Both directions

• No movement

Multiple Choice

Which way will thermal energy move between two objects at 0°C and 25°C?

• From 25°C to 0°C

• From 0°C to 25°C

• Both directions

• No movement

Multiple Choice

Which way will thermal energy move between two objects at 31°C and 31°C?

• From 31°C to 31°C

• From 31°C to 31°C

• Both directions

• No movement

Multiple Select

Select all scenarios where heat will flow from one object to another.

• When one object is at a higher temperature than the other

• When both objects are at the same temperature

• When one object is at 0°C and the other at 25°C

• When both objects are at 31°C

Multiple Choice

Describe what happens to the flow of thermal energy when two objects reach the same temperature.

• Thermal energy flows from the cooler object to the warmer object.
• Both objects will continue to gain thermal energy indefinitely.
• No flow of thermal energy occurs between the objects.

Multiple Choice

Which way will thermal energy move?

• From Block 1 to Block 2

• From Block 2 to Block 1

Multiple Choice

Which way will thermal energy move?

Multiple Choice

Which way will thermal energy move?

Multiple Choice

Which way will thermal energy move?

Multiple Choice

Which material has the lowest specific heat according to the table?

• Water

• Wood

• Carbon

• Iron

Multiple Choice

Compare the specific heat of wood and glass. Which material will heat up quicker when the same amount of energy is added?

• wood

• glass

Multiple Choice

How does the thermal energy of an object change when the temperature, mass, or motion of its particles increases?

• Thermal energy increases

• Thermal energy decreases

• Thermal energy stays the same

• Thermal energy disappears