Rocks & Minerals

Vocab: the way a mineral shines, or reflects the light.

• luster

• hardness

• streak

• cleavage

Where are minerals found?

• Earth's inner core

• Earth's mantle

• Earth's crust

• Earth's outer core

What property can be used to determine whether a mineral is metallic or nonmetallic?

• Hardness

• Luster

• Cleavage

• Color

Vocab: A rock formed when sand, particles of rock, bits of soil, and remains of once living things are pressed together and harden

• Metamorphic Rock

• Sedimentary Rock

• Igneous Rock

Vocab: A rock formed when existing rocks are changed by heat, pressure, or chemicals beneath Earth's surface.

• Igneous Rock

• Sedimentary Rock

• Metamorphic Rock

Vocab: A rock formed when melted, or molten rock cools and hardens

• Igneous Rock

• Sedimentary Rock

• Metamorphic Rock

Which layer of Earth is the hottest part?

• crust

• mantle

• inner core

• outer core

What are most rocks made of?

• Two or more kinds of minerals

• hard dirt and gravel

• a single kind of mineral

• cement or asphalt

How would you find a mineral's hardness?

• look at its color

• break it open and observe

• scratch it

What type of rock would most likely be found at the base of an active volcano?

• Igenous

• Metamorphic

• Sedimentary