rocks and minerals lesson

melted rock cools and hardens

pieces of rock and other materials squeeze together

heat and pressure creates a new rock

melted rock cools and hardens

heat and pressure creates new rocks

pieces of rock and other materials squeeze together

magma that escapes through an opening in the Earth's surface

small, broken up pieces of rock

the remains of an animal that lived in the past

a solid, nonliving material found in nature

It is magnetic.

It has minerals.

It has air holes.

It has cleavage.

It has no air holes.

It has no cleavage.

It is not magnetic.

It has no minerals.

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

Rub it against different things to see how easily it can be scratched.

Break it to see if the pieces are cubes or sheets.

Shine a bright light on it to see how its surface reflects light.

magnestism

hardness

color

luster

hardness

streak

luster

cleavage

They all have fossils.

They all have the same color.

They are all rocks.

They are all minerals.

igneous

metamorphic

sedimentary

mineral

minerals

lava

fossils

dirt

hand lens

ruler

scale

calculator

It was always a dessert.

It was once covered with water.

It was once a jungle.

It was once a prairie.

They are made of minerals.

They go through the rock cycle.

They all leave a streak.

They all are hard.

They contain different minerals.

There are different types.

They are different colors.

They are nonliving.