1.

What is a piece of evidence used to determine the composition of the core?

A) Drilling samples

B) Volcanic rocks

C) S-wave shadow zone

D) Density

Identify which of the following statements about the Earth's crust are true.

A. true
B. false

BThe crust is composed of iron and nickel

AThere are two different types of crust

AThe crust is solid

AThe ocean crust is composed of basalt

3.

Which of the following are the major layers of the Earth's interior

A) Crust, Asthenosphere, and Lithosphere

B) Oceanic crust and continental crust

C) S-waves, P-waves, and R-waves

D) Crust, Mantle, and Core

4.

Continental crust is composed mainly of:

A) shale and limestone

B) iron and nickel

C) basalt

D) granite

Which of the following is true about the Earth's mantle?

A) The mantle is composed of a rock called peridotite

B) The mantle is solid throughout

C) The mantle is only composed of one layer

D) The mantle is composed of iron and nickel

7.

What is the phase or state of matter of the outer core?

A) Gas

B) Liquid

C) Magma

D) Solid

8.

Average oceanic crust is ______kilometers thick whereas average continental crust is ______kilometers thick.

A) 20 to 40, 5 to 10

B) 200 to 400, 50 to 100

C) 4 to 7, 20 to 40

D) 50 to 100, 200 to 400

No S waves pass through the center of the Earth because:

A) S waves travel only through liquids

B) the outer core is liquid

C) the asthenosphere is liquid

D) S waves refract at the mantle-core boundary

10.

Match the parts of the Earth's interior with the correct description.

A. Oceanic crust
B. Lower mantle
C. Outer core
D. Lithosphere

D Solid, rigid porion of the mantle and crust

B Densly packed peridotite, not fully solid and not liquid

C Liquid

A Composed of basalt

C