Chapter 12

Question 1

Core

Answer 1

The inner is solid in the outer is a liquid. It is mainly composed of iron in nitrate

Question 2

Mantle

Answer 2

Consists of a lower (the thickest of the three) transition, and upper mantle. It is mainly composed of iron and magnesium silicates

Question 3

Crust

Answer 3

The outer shell of the earth. It is mainly composed of oxinigated silicon and aluminum compounds

Question 4

Lithosphere

Answer 4

The crust of the earth. Made up of inorganic, organic, and biological.

Question 5

Hydrosphere

Answer 5

All of the waters on the earth’s surface; sometimes includes clouds

Question 6

Atmosphere

Answer 6

The envelope of gases surrounding the earth or another planet

Question 7

Silicate

Answer 7

A salt in which the anion contains both silicon and oxygen

Question 8

Metals and alloys

Answer 8

Ores versus metals. Alloys are mixed metals. See notes.

Question 9

Environmental science

Answer 9

Integrates the physical, biological and informational sciences to the study of the environment.

Question 10

What are the divisions of the earth?

Answer 10

Troposphere, stratosphere, mesosphere, thermosphere

Question 11

What are the different types of silicates?

Answer 11

Quartz, mica, asbestos, ceramics, cement

Question 12

Name for metals and tell me whether they are an alloy or and or and explain how hard they are

Answer 12

Copper, bronze, iron, steel, aluminum.