Question

go to: earth’s internal structure

1. if the earth were a piece of fruit what part would the crust be?
2. use information from the link above to complete the chart.

	thickness (km)	made of rock or metals?	most common type of rock in this layer
oceanic crust

1. fill in the blank: continental crust is dense than oceanic crust.

Explanation:

The Earth's crust has two main types - continental and oceanic. Continental crust is thicker (about 30 - 70 km), composed mainly of rocks like granite and is less dense. Oceanic crust is thinner (about 5 - 10 km), composed mainly of basalt and is more dense.

Answer:

	Thickness (km)	Made of Rock or Metals?	Most Common Type of Rock in this Layer
Oceanic Crust	5 - 10	Rock	Basalt

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