Rock Cycle
Soil
Minerals
Erosion & Weathering
Types of Rocks

100

Rock that was once melted and then cooled and hardened
What is igneous rock?

100

The type of soil found on many farms
What is loam?

100

An object that is solid, formed in nature, and has never been alive
What is a mineral?

100

The process the moved pieces of rock and soil
What is erosion?

100

Sandstone
What is sedimentary?

200

Rock formed from material that has settled into layers.
What is sedimentary rock?

200

This soil is made up of powdery grains
What is clay?

200

A naturally formed solid made of one or more minerals
What is a rock?

200

The process that breaks down rocks into smaller pieces
What is weathering?

200

Marble
What is metamorphic?

300

The type of rock formed when a volcano explodes
What is igneous rock?

300

This type of soil is made up of parts of dead plants and animals
What is humus?

300

Mineral property identified by the Mohs scale
What is hardness?

300

The cause of weathering and erosion
What is wind and water?

300

Obsidian
What is igneous?

400

Rock formed deep within the earth from pressure, heat, or both.
What is metamorphic rock?

400

The correct order for the following soils when comparing their grain size: clay, silt, sand
What is sand (largest), silt, clay (smallest)?

400

Color left behind by a a mineral when it is rubbed against a rough white tile
What is streak?

400

Plant roots can cause this to happen
What is weathering?

400

Granite
What is igneous?

500

Most rock found on earth's surface is this type.
What is sedimentary rock?

500

The four things that make up soil
What is water, air, humus, and tiny pieces of rock?

500

Ways to identify minerals
What is color, streak, and hardness (not temperature)?

500

The way river rocks feel after the erosion process
What is smooth?

500

Limestone
What is sedimentary?