7E6.2 Minerals

What is the main goal of the video?

• To understand the chemical composition of minerals.

• To learn about the history of minerals.

• To study the economic value of minerals.

• To explore the different physical characteristics of minerals.

Why is color not a reliable characteristic for identifying minerals?

• Because minerals can change color over time.

• Because color is difficult to observe.

• Because color is affected by light.

• Because different minerals can have the same color.

Which of the following minerals can appear in multiple colors?

• Halite

• Magnetite

• Galena

• Quartz

What is the streak of a mineral?

• The color of the mineral in its powdered form.

• The way light reflects off the mineral.

• The pattern in which the mineral breaks.

• The hardness of the mineral.

Which tool is used to test the streak of a mineral?

• A streak plate

• A hammer

• A glass plate

• A magnifying glass

What does luster describe?

• The color of a mineral

• The shape of a mineral

• The way light reflects off the surface of a mineral

• The hardness of a mineral

What is cleavage in minerals?

• The color of a mineral in its powdered form

• The hardness of a mineral

• The way a mineral breaks along smooth planes

• The way light reflects off a mineral

What is the Mohs scale used for?

• Measuring the color of minerals

• Identifying the streak of minerals

• Testing the hardness of minerals

• Determining the luster of minerals

Which mineral has the highest hardness on the Mohs scale?

• Talc

• Diamond

• Topaz

• Quartz

Which mineral is known to be magnetic?

• Calcite

• Magnetite

• Sulfur

• Fluorite