Mineral Identification and Properties

What is the main goal of learning about minerals in this video?

• To learn how minerals are made.

• To find out where minerals come from.

• To understand how to tell different minerals apart.

• To discover how to dig for minerals.

Why is a mineral's color not always the best way to identify it?

• Minerals can change color over time.

• Many different minerals can look the same color.

• It is hard to see the true color of a mineral.

• Minerals do not have a true color.

What does "streak" mean when talking about minerals?

• The shiny look of the mineral.

• The color of the mineral when it's a powder.

• How easily the mineral breaks.

• The main color you see on the mineral.

How do you test a mineral to find its streak?

• You look at it very closely with your eyes.

• You break it into small pieces.

• You rub it against a special ceramic plate.

• You try to scratch it with your fingernail.

What are the two main types of luster that minerals can have?

• Bright and dull.

• Metallic and nonmetallic.

• Rough and smooth.

• Hard and soft.

How do minerals that show cleavage break?

• Along curved surfaces

• Into random shapes

• Along smooth, flat surfaces

• Into tiny pieces

What happens when a mineral shows fracture?

• It breaks into perfect cubes.

• It breaks along smooth, flat lines.

• It breaks into curved or uneven pieces.

• It melts into a liquid.

What does a mineral's hardness tell us?

• How shiny it is.

• How easily it can be scratched.

• Its color when powdered.

• How it breaks into smooth pieces.

Which mineral is the softest on the Moh's Scale of Hardness?

• Diamond

• Quartz

• Talc

• Gypsum

What happens when you put acid on calcite?

• It glows brightly.

• It becomes magnetic.

• It bubbles and fizzes.

• It tastes salty.