1st Semester Final Exam Review

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What are fossil fuels?

Back

Fossil fuels are natural substances formed from the remains of ancient plants and animals, primarily consisting of coal, natural gas, and petroleum. They are non-renewable energy sources.

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What is erosion?

Back

Erosion is the process by which natural forces like water, wind, and ice wear away rocks and soil, transporting them from one location to another.

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What are the main agents of erosion?

Back

The main agents of erosion include water, wind, ice, and gravity.

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What is weathering?

Back

Weathering is the breakdown of rocks into smaller pieces by natural processes, which can be physical, chemical, or biological.

Front

What is the difference between erosion and weathering?

Back

Erosion involves the movement of soil and rock particles, while weathering is the process of breaking down rocks without movement.

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What is geothermal energy?

Back

Geothermal energy is heat energy generated and stored in the Earth, which can be used for heating and electricity generation.

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What is the significance of plants in weathering?

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Plants contribute to weathering by breaking down rocks through root growth and by producing organic acids that can dissolve minerals.

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What is a mineral?

Back

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

Front

What tests are used to identify minerals?

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Common tests for identifying minerals include color, streak, hardness, cleavage, and fracture.

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What is the role of water in erosion?

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Water can erode land by flowing over it, carrying away soil and rock particles, and creating features like rivers and valleys.