EARTH SCIENCE

The very thin solid layer of rock made of mostly silicon and oxygen.

• Mantle

• Core

• Moho

• Crust

Breaks in smooth, definite surfaces

• Color

• Cleavage

• Luster

• Fracture

Geometric crystals with flat surfaces and definite edges

• Color

• Cleavage

• Luster

• Crystal form

Which of the following is an example of carbonates?

• Fluorite

• Halite

• Dolomite

• Gypsum

Minerals or combinations of minerals from which metals and non metals can be removed in usable amounts.

• Fluorite

• Halite

• Dolomite

• Ores

Which of the following is an example of Sulfate?

• Gypsum

• Fluorite

• Dolomite

• Corundun

Breaks in rough or jagged surfaces.

• Cleavage

• Smelting

• Fracture

• Native Elements

The scale used to determine the hardness of minerals.

• Jolt

• Moho

• Fracture

• Mohs

It makes up about 80% of Earth's volume in which the hot molten rocks are located

• Crust

• Core

• Moho

• Mantle

When an ore is heated so that metal can be separated from it.

• Hematite

• Alloy

• Fluorite

• Smelting