Earth and Life Science Exam 1

Which mineral is known for its high hardness on the Mohs scale and its often used in cutting tools?

• Talc

• Quartz

• Gypsum

• Diamond

Which Earth layer is primarily responsible for volcanic activity?

• Crust

• Outer Core

• Mantle

• Inner Core

Which mineral is commonly used in the production of glass and electronics due to its high purity and silicon content?

• Talc

• Calcite

• Quartz

• Gypsum

How was Earth primarily formed?

• From the accumulation of cosmic dust and gas

• Through the collision of asteroids

• By the gravitational collapse of a massive star

• By the fusion of hydrogen and helium

Planet Earth is considered as 'blue planet.' Which of the following best describes the surface of planet Earth?

• Earth has atmosphere.

• Earth has lots of volcano.

• Earth is covered with red dust.

• Earth has mostly water on the surface

Earth can support the survival of organisms. What is/are the factor/s that make/s Earth habitable?

• Energy

• Temperature

• Atmosphere

• Nutrient

• I, II, III, IV

It is known for building blocks of rock.

• Rocks

• Minerals

• Crystal

• Compound

A characteristic of mineral where a substance is not a product of an organism.

• Inorganic

• Homogeneous solid

• Naturally Occurring

• Definite Chemical Composition

A mineral can be stretched into wire.

• Brittleness

• Malleability

• Sectility

• Ductility

What property of minerals refers to their resistance to scratching?

• Color

• Cleavage

• Streak

• Hardness