Science Kids: Rocks, Minerals and Geology

The video explores the significance of minerals and rocks in daily life, detailing their characteristics, properties, and identification methods. It explains the formation and classification of rocks into igneous, metamorphic, and sedimentary types. The video also highlights the various uses of minerals in everyday products and their role in maintaining human health.

Which of the following is NOT a characteristic of minerals?

• They are man-made.

• They are inorganic.

• They are solid substances.

• They have a specific chemical composition.

What is the term for the way a mineral breaks along flat surfaces?

• Streak

• Luster

• Cleavage

• Hardness

On the Mohs Scale, which mineral is rated as the hardest?

• Talc

• Gypsum

• Quartz

• Diamond

What is the term for the color of the powder left by a mineral when it is rubbed on a surface?

• Hardness

• Luster

• Cleavage

• Streak

Which type of rock is formed from cooled lava?

• Igneous

• Metamorphic

• Sedimentary

• Fossil

What are the layers formed by sedimentary rocks called?

• Cleavage

• Crust

• Veins

• Strata

Which mineral is commonly used in pencils?

• Mica

• Quartz

• Gypsum

• Graphite

Which mineral is essential for strong bones and teeth?

• Potassium

• Zinc

• Calcium

• Iron

Which mineral is known for its role in boosting the immune system?

• Graphite

• Zinc

• Silica

• Aluminum

What might geologists learn from studying minerals and rocks?

• The history of Earth's climate

• The future of Earth's weather patterns

• The age of the universe

• The history of Earth's formation