A mineral's color when it is ground into powder is called

How a mineral reflects light is called

The size and shape of pieces of materials in the rock is called

A naturally occurring solid with a definite structure is a

The way the pieces of materials in the rock fit together define its

When rock pieces are large enough to see and feel it is called

Rocks are made up of minerals or

Minerals are made up of

Rocks that form when hot liquid lava cools down into a solid are called

A rock that orms from another kind of rock by heat is called

A rock that forms from pieces that squeeze together is called

What is formed below the earth's surface?

What is formed above the earth's surface?

Igneous rocks that form underground (inside Earth's crust) are called

Igneous rocks that form above ground (outside Earth's crust) are called

Limestone is an example of a _________ rock

Granite is an example of a __________ rock.

Slate is an example of a ___________ rock

Rocks ________ _________ from one kind into another in a never ending process.

Rocks come from other _________

The rock cycle has no ______ and no _______.

What form lightweight, free-draining soils and cannot hold onto nutrients?

What holds water well, can become heavy and waterlogged when wet and can hold onto nutrients?

What holds water, can be hard to drain and can only hold limited nutrients?

What clings to soil particles and is taken up by plant roots?

What fills gaps in the soil, allows the plant roots and animals to breathe?

What includes manure, leaf mold and compost; releases nutrients slowly as it rots; improves water holding and helps the soil stick together?

What includes insects, bacteria, and earthworms; and helps to break down dead materials?

What type of soil is topsoil, rich in humus, gray black in color and sandy?

What type of soil is subsoil, plant roots, penetrates this layer, little humus, and is brownish red in color?

What type of soil is slightly weathered rock, and has a cracked and broken surface?

What type of soil is unweathered rock with a bottom layer of soil?

Is obsidian extrusive or intrusive?

What type of rock is under the white circle?

What type of rock is under the white circle?

What type of rock is under the white circle?