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- 1. Multiple Choice
What does heat do when convection currents are moving?
Sinks
Rises
Stays in place
- 2. Multiple Choice
Which picture shows material that is more dense?
The picture of the left
The picture on the right
- 3. Multiple Choice
When do particles move faster?
In hot water
In cold water
- 4. Multiple Choice
Why does ice float?
Due to convection currents
It is more dense than water.
It is less dense than water.
- 5. Multiple Choice
What causes convection current in the Earth?
The uneven heating on each layer inside the Earth.
The crusts outer layer.
The temperatures we feel outside.
- 6. Multiple Choice
Can convection currents occur in a solid?
No.
just in a liquid and gas.
Yes.
In a solid, liquid, and gas.
- 7. Multiple Choice
What is an example of a convection current?
Touching a hot spoon that was in a soup bowl.
Feeling the suns rays on a nice summer day.
Touching an iron skillet after cooking and feeling the heat.
Movement of gas in a hot air balloon.
- 8. Multiple Choice
Does the solid inner core have convection currents moving inside?
No.
Currents only move in a liquid and gas.
Yes.
Convection currents move through a solid.
- 9. Multiple Choice
Heat transfer by convection is caused by differences in what two things:
Thickness and material
Weight and electricity
Temperature and density
- 10. Multiple ChoiceThe cycle that powers the ocean currents, weather, and tectonic plates it calledconduction currentradiationcondition currentconvection current
- 11. Multiple ChoiceHeat transfers from an area of ____temperature to an area of ___ temperature.high to lowlow to highhigh to highIt can travel high to low and low to high.
- 12. Multiple ChoiceWhat is the heat source for convection in the mantle?the Crustthe Mantlethe Core
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