Convection Currents Worksheet
Explore the principles of convection with this Grade 9 science worksheet, covering heat transfer, fluid movement, and real-world applications.
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Standards
Convection Currents Worksheet
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Date:
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Read each question carefully and answer to the best of your ability. Show all your work where applicable.
1. Convection is the transfer of heat through the movement of or gases.
2. When a fluid is heated, it becomes less and rises.
3. The continuous cycle of rising warm fluid and sinking cool fluid is called a current.
1. Which of the following is an example of convection?
Touching a hot stove
Heat from the sun warming the Earth
Boiling water in a pot
Heat flowing through a metal spoon
2. What happens to the density of a fluid when it is heated?
It increases
It decreases
It remains the same
It fluctuates rapidly
Observe the diagram below showing convection in a pot of water. Answer the questions that follow.
1. In the diagram, where is the water being heated?
2. Describe the movement of the warm water in the pot.
3. What happens to the cooler water at the top of the pot?
1. Convection can occur in solids.
True
False
2. Convection is the primary method of heat transfer in the Earth's atmosphere.
True
False
1. Explain how a hot air balloon uses the principle of convection to fly.
2. Give two real-world examples of convection, other than boiling water or a hot air balloon.
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