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- 1. Multiple Choice
How does hot air (or fluids) move?
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
Why is the basement always cooler than the upstairs of a house?
Hot Air Rises
Hot Air Sinks
Earth gets colder as you move deeper
- 8. Multiple Choice
What do we call the outer layer of the Earth, where we live?
Astenosphere
Core
Crust
- 9. Multiple Choice
Which layer of the Earth radiates heat to the other layers?
Astenosphere
Core
Crust
- 10. Multiple Choice
If something is very dense it will tend to...
Sink
Float
Stay in Place
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