Seafloor Spreading Review

Front

What is our internal heat source?

Back

Core: Radioactive decay

Front

How might you describe magma is MORE dense? Options: Compacted & warm, Compacted & cool, Spread out & warm, Spread out & cool.

Back

Compacted & cool.

Front

How might you describe magma is LESS dense? Options: Compacted & warm, Compacted & cool, Spread out & warm, Spread out & cool.

Back

Spread out & warm.

Front

Where does slab pull occur?

Back

On the subducting plate in the mantle

Front

Where does ridge push occur?

Back

Right as new crust is formed by the ridge.

Front

What is density?

Back

How much stuff is in a given space

Front

Where is the younger crust located on the ocean floor?

Back

Closer to the midocean ridge

Front

Where is the older crust located on the ocean floor?

Back

Further from the midocean ridge

Front

Where is more dense rock located on the ocean floor? Options: Closer to the midocean ridge, Further from the midocean ridge

Back

Further from the midocean ridge

Front

Where is less dense rock located on the ocean floor?

Back

Closer to the midocean ridge