Science test

Question Answer
What is seafloor spreading The seafloor slowly grows outward from mid ocean ridges
What is the techtonic plate theory The theory describing how plates move and what happens when they interact with other plate
Explain how,gravity and convection currents drive seafloor spreading and plate techtonics Gravity is the force that pulls objects towards the earth and convection is where substances rise and fall
What was pangea? The theory that all the continents were one connected
What is a convection current The cycle of substancea in which they rise then fall

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