Conduction in Materials
Explore the principles of heat conduction, thermal conductivity, and common applications at a Grade 9 level.
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Conduction in Materials
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Read each question carefully and answer to the best of your ability. Show all your work where applicable.
1. Which of the following best describes heat conduction?
Transfer of heat by movement of fluids.
Transfer of heat through electromagnetic waves.
Transfer of heat through direct contact of particles.
Transfer of heat by density differences.
2. Which material is generally the best conductor of heat?
Wood
Air
Copper
Plastic
3. In conduction, heat energy is transferred from a region of higher temperature to a region of lower temperature through the vibration and collision of .
4. Materials that are poor conductors of heat are called .
5. Explain how heat is transferred through a metal spoon when one end is placed in hot soup. Refer to the illustration below.
6. Conduction can occur in solids, liquids, and gases.
True
False
7. Vacuum is an excellent conductor of heat.
True
False
Match the term with its definition.
8. Conductor
a. A material that does not easily transfer heat.
9. Insulator
b. The transfer of heat through direct contact.
10. Conduction
c. A material that easily transfers heat.