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- 1. Multiple Choice
Thermal energy always moves from warmer substances to cooler substances.
True
False
- 2. Multiple Choice
The temperature of a substance increases as___.
the substance's mass increases
the average kinetic energy of its particles increases
the substance's volume increases
- 3. Multiple Choice
Molecules do THIS when they heat up
Move faster
Move closer together
- 4. Multiple Choice
What is temperature?
It is a measure of the average kinetic energy of the particles in the substance.
It is the total kinetic and potential energy of particles in the substance.
- 5. Multiple Choice
What is thermal energy?
It is a measure of the average kinetic energy of the particles in the substance.
It is the total kinetic and potential energy of particles in the substance.
- 6. Multiple Choice
When temperature increases, the particles move __________.
faster
slower
- 7. Multiple Choice
When temperature decreases, the particles move __________.
faster
slower
- 8. Multiple Choice
A thermometer measures the _______________________.
temperature
potential energy
mass
- 9. Multiple Choice
Which one has a higher temperature?
Boiling Kettle
Freezing Iceberg
- 10. Multiple Choice
Which one has a higher thermal energy?
Boiling Kettle
Freezing Iceberg
- 11. Multiple Choice
The ICEBERG has a higher thermal energy because:
Iceberg's temperature is higher than the kettle.
The amount of particles in the iceberg is much more than the kettle.
- 12. Multiple Choice
Why do we wear sweaters in cold weather?
To reduce heat loss.
To reduce cold gain.
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