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Earth's Geology and Structure Quiz

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Which layer of the Earth is the thinnest?

Crust

Explanation

Earth's outermost layer.

What is the process called where rocks break down into smaller pieces?

Weathering

Explanation

Breakdown of rocks due to various factors.

Which mineral is commonly known as 'fool's gold'?

Pyrite

Explanation

Mineral resembling gold but not.

Which type of rock forms from the alteration of pre-existing rock deep within the Earth's crust due to heat, pressure, and chemical processes?

Metamorphic

Explanation

Rock formed from alteration due to various factors.

Which mineral is the hardest naturally occurring substance on Earth?

Diamond

Explanation

Hardest mineral known.

Which type of rock is formed by the cooling and solidification of magma or lava?

Igneous

Explanation

Rock formed from magma or lava cooling.

What is the approximate age of the Earth?

4.5 billion years

Explanation

Age of Earth estimated by scientific methods.

What is the name of the supercontinent believed to have existed about 300 million years ago?

Pangaea

Explanation

Ancient supercontinent.

What is the term for the bending of seismic waves as they pass from one material to another with different properties?

Refraction

Explanation

Bending of waves due to change in medium.

#10

What is the term for the breaking of a mineral along planes of weak bonding?

Cleavage

Explanation

Mineral breaking along weak bonds.

#11

Which seismic waves are the fastest and can travel through solids, liquids, and gases?

Primary (P) waves

Explanation

Fastest seismic waves that travel through various mediums.

#12

Which type of seismic wave is responsible for causing the most destruction during an earthquake?

Surface waves

Explanation

Seismic waves causing significant damage.

Earth's Geology and Structure Quiz

Which layer of the Earth is the thinnest?

What is the process called where rocks break down into smaller pieces?

Which mineral is commonly known as 'fool's gold'?

Which type of rock forms from the alteration of pre-existing rock deep within the Earth's crust due to heat, pressure, and chemical processes?

Which mineral is the hardest naturally occurring substance on Earth?

Which type of rock is formed by the cooling and solidification of magma or lava?

What is the approximate age of the Earth?

What is the name of the supercontinent believed to have existed about 300 million years ago?

What is the term for the bending of seismic waves as they pass from one material to another with different properties?

What is the term for the breaking of a mineral along planes of weak bonding?

Which seismic waves are the fastest and can travel through solids, liquids, and gases?

Which type of seismic wave is responsible for causing the most destruction during an earthquake?

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