
Convection Currents Video
Interactive Video
•
Science
•
6th - 8th Grade
•
Hard
Tonya Chapweske
FREE Resource
4 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do convection currents happen?
Heat from the Earth's Core
Heat from the sun
Heat from forest fires
Heat from lightening
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the rock as it is pushed sideways?
Becomes less dense and continues to rise
Creates bubbles
Cools and begins to sink
Continues to heat
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What ultimately causes the continents to move?
Gravitational pull
Movement of liquid rock in the mantle
Continents float on the ocean
Ocean currents
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does carbon dioxide from dead plankton get recycled to the surface of the Earth?
The melting of rocks releases oxygen which rises to the surface of the Earth
The plankton exhale the carbon dioxide
Carbon dioxide is not recycled from the mantle to the atmosphere
The melting of the rock releases carbon dioxide which is then released during an eruption
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