Rocks and minerals

The outside part of our planet is called...

• CRUST

• BEDROCK

• SOIL

• MAGMA

What is a mineral?

• 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

How can the streak of a mineral be tested?

• 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.

The outside part of our planet is called...

• CRUST

• BEDROCK

• SOIL

• MAGMA

What is a mineral?

• 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

How can the streak of a mineral be tested?

• 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.

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

• magnestism

• hardness

• color

• luster

How are rocks alike? Check all that apply.

• They are made of minerals.

• They go through the rock cycle.

• They all leave a streak.

• They all are hard.

Look at the image. These are .... rocks.

• Igneous

• Sedimentary

• Metamorphic

How are rocks classified?

• Based on the way they are formed

• Based on their colors

• Based on their temperature

• Based on their size