Front

How do sedimentary rocks form?

Back

Pieces of rock and other materials squeeze together.

Front

How do metamorphic rocks form?

Back

Heat and pressure creates a new rock.

Front

How do igneous rocks form?

Back

melted rock cools and hardens

Front

What is a mineral?

Back

a solid, nonliving material found in nature

Front

What is a property that can be seen on this rock?

Back

It has air holes.

Front

What is a property that can be seen on this rock? Options: It has no air holes, It has no cleavage, It is not magnetic, It has no minerals.

Back

It has no air holes.

Front

How can the streak of a mineral be tested?

Back

Rub it across a tile to see the color of the powder it leaves.

Front

What property of minerals is measured by scratching the surface of the mineral?

Back

hardness

Front

Sally notes that a mineral can easily break into flat sections. What property has she observed?

Back

cleavage

Front

How are obsidian, sandstone, and granite similar?

Back

They are all rocks.