rocks and minerals

Rocks are made of ______________________ .

Tags

NGSS.MS-PS1-1

Two minerals that can be identify by their colors are

• gold and pyrite

• quartz and calcite

• malachite and azurite

____________________ is the color of the powder left by a mineral.

Why is streak is a better way to identify a mineral than color?

A mineral may have different colors, but its streak always is the same color.

• True

• False

Minerals are inorganic substances that occur naturally.

• True

• False

All minerals have the same hardness level.

• True

• False

A mineral's luster refers to how it reflects light.

• True

• False

What is the color of a mineral's POWDER called?

• Streak

• Luster

• Hardness

What is the "breaking down" of rock called?

• Erosion

• Deposition

• Weathering