Earth Science Review

Front

What is the softest mineral?

Back

Talc is the softest mineral on the Mohs scale.

Front

What is the process called where warmer parts of a fluid rise and cooler parts sink?

Back

Convection is the process where warmer parts of a fluid rise and cooler parts sink.

Front

What series of processes changes one type of rock into another?

Back

The rock cycle is the series of processes that change one type of rock into another.

Front

In which layer of the Earth do convection currents occur?

Back

Convection currents occur in the mantle.

Front

How does igneous rock form?

Back

Igneous rock forms by the cooling of magma.

Front

What is the definition of a mineral?

Back

A mineral is a naturally occurring, inorganic solid with a definite chemical composition and crystalline structure.

Front

What is the difference between weathering and erosion?

Back

Weathering is the breaking down of rocks, while erosion is the movement of those broken materials.

Front

What is the main component of the Earth's crust?

Back

The Earth's crust is primarily composed of silicate minerals.

Front

What is the definition of sedimentary rock?

Back

Sedimentary rock is formed from the accumulation and compaction of mineral and organic particles.

Front

What is the process of the rock cycle that involves the transformation of rock due to heat and pressure?

Back

Metamorphism is the process that transforms rock due to heat and pressure.