Exploring the Physical Properties of Minerals

Why is color not a reliable property for identifying minerals?

• Because color is not visible in minerals.

• Because different minerals can have the same color.

• Because minerals are always colorless.

• Because color changes with temperature.

What is the streak of a mineral?

• The shine of the mineral.

• The color of the powder left when the mineral is rubbed on a white tile.

• The color of the mineral in its natural form.

• The hardness of the mineral.

How is the streak of a mineral tested?

• By scratching it with a diamond.

• By heating it.

• By rubbing it on a white tile.

• By dissolving it in water.

What does luster describe in a mineral?

• The color of the mineral.

• The chemical composition of the mineral.

• The way the mineral reflects light.

• The hardness of the mineral.

Tags

NGSS.MS-PS4-2

Which type of luster makes a mineral look like glass?

• Metallic

• Glassy

• Greasy

• Pearly

What is the hardest mineral on Mohs scale?

• Talc

• Quartz

• Diamond

• Fluorite

How does Mohs scale help in identifying minerals?

• By observing the mineral's luster.

• By determining the mineral's ability to scratch other minerals.

• By checking the mineral's reaction with acid.

• By measuring the color of the mineral.

What does cleavage refer to in minerals?

• The hardness of the mineral.

• The mineral's reaction with acid.

• The way the mineral breaks along flat planes.

• The color of the mineral.

Which mineral is known for its excellent cleavage, breaking into thin sheets?

• Quartz

• Mica

• Diamond

• Fluorite

What happens when a mineral containing calcium carbonate is placed in dilute acid?

• It changes color.

• It becomes harder.

• It fizzes.

• It melts.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5