Convection Currents Worksheet
Explore the principles of convection with this Grade 7 science worksheet, featuring diagrams and questions on heat transfer in fluids.
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Convection Currents Worksheet
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Read each question carefully and answer to the best of your ability. Use complete sentences for short answer questions.
1. Which type of heat transfer involves the movement of fluids (liquids or gases)?
Conduction
Convection
Radiation
Insulation
2. What happens to a fluid when it is heated?
It becomes denser and sinks.
It becomes less dense and rises.
Its density does not change.
It changes into a solid.
3. Convection occurs in and gases.
4. The continuous cycle of rising warm fluid and sinking cool fluid is called a current.
5. Convection can occur in solids.
True
False
6. A radiator heats a room primarily through convection.
True
False
7. Describe how convection currents form when water is heated in a pot.
8. Give two real-world examples of convection.