Thermal Energy Exploration
This worksheet explores the fundamental concepts of thermal energy, including heat transfer, temperature, and states of matter, suitable for Grade 8 science students.
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Thermal Energy Exploration
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Date:
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Read each question carefully and provide your best answer. Show all your work where applicable.
1. Which of the following is the transfer of thermal energy through direct contact?
Convection
Conduction
Radiation
Insulation
2. What happens to the particles of a substance when it is heated?
They slow down
They move faster
They become smaller
They change color
3. Temperature is a measure of the average kinetic energy of the in an object.
4. The process by which heat is transferred through fluids (liquids or gases) is called .
5. Heat always flows from a colder object to a warmer object.
True
False
6. A good conductor of heat will transfer thermal energy quickly.
True
False
7. Describe the main difference between heat and temperature.
Match each term on the left with its definition on the right.
8. Convection
a. Transfer of heat through electromagnetic waves
9. Conduction
b. Transfer of heat by movement of fluid
10. Radiation
c. Transfer of heat through direct contact
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