Science Grade 8 Midterm Review

Which of the following is the thinnest layer of Earth?

• Mantle

• Crust

• Lithosphere

• Inner Core

Which of the following metals are present in Earth's Core? (Select all that apply)

• Nickel

• Steel

• Aluminum

• Iron

• Titanium

Which of the following layers are not completely solid?

• Crust

• Outer Core

• Upper Mantle

• Lower Mantle

• Inner Core

Who is credited with proposing the hypothesis of Continental Drift?

• Harry Hess

• Galileo Galilei

• Alfred Wegener

• Isaac Newton

• Albert Einstein

Tags

NGSS.HS-ESS1-5

Which is more dense?

• Continental Crust

• Oceanic Crust

What happens to temperature and pressure as you get to deeper layers within Earth?

• Temperature and Pressure increase

• Temperature increases, Pressure decreases

• Temperature decreases, Pressure increases

• Temperature and Pressure decreases

This image here shows what type of boundary?

• Divergent

• Convergent: Subduction

• Convergent: Collision

• Transform

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

What do geologists notice about the rocks along the sea floor?

• They get older as they get farther away from mid ocean ridges

• They get thicker closer to continents

• Density is impossible to measure

• Youngest parts of the crust are along the continents

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

How do you calculate density?

• Mass x Volume

• Mass / Volume

• Volume / Mass

• Volume + Mass

If something floats in water, what can we say about its density?

• It is more dense than the water

• It is less dense than the water

• It has the same density as water