Earth Structures

Type of rock that forms from cooled magma or lava (molten rock).

• Igneous Rocks

• Sedimentary Rock

• Metamorphic

Type of rock formed from layers of sediment that are cemented together.

• Sedimentary Rocks

• Shale

• Sandstone

• Limestone

Type of rock that is formed over time from other rocks due to extreme pressure and/or heat.

• Sand

• Sedimentary

• Metamorphic Rock

• Igneous

A natural material that has a crystal form and its own set of properties.

• Mineral

• Hardness

• Luster

• Cleavage

Property of a mineral that describes how easily it can be scratched.

• Hardness

• Luster

• Cleavage

• Streak

Property of a mineral that describes how it looks when it reflects light.

• Luster

• hardness

• streak

• Cleavage

Property of a mineral that describes how the mineral breaks apart along smooth surfaces.

• Cleavage

• Streak

• luster

• hardness

The color of powder that a mineral leaves when it is rubbed on a streak plate.

• Streak

• Natural Resources

• hardness

• luster

All the land, forests, energy sources, and minerals existing naturally in a place that can be used by people.

• Natural Resources

• Renewable Resources

Any resource, such as wood or solar energy, that can or will be replenished naturally in a reasonable amount of time.

• Renewable Resources

• Non-renewable Resources

• natural resources