Big Idea 6: Earth Structures

Front

What are renewable resources?

Back

Renewable resources are natural resources that can be replenished or replaced naturally over time, such as water, sunlight, and wind.

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What are nonrenewable resources?

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Nonrenewable resources are natural resources that cannot be replaced or take a very long time to form, such as oil, coal, and natural gas.

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What is weathering?

Back

Weathering is the process of breaking down rocks and minerals into smaller pieces due to environmental factors like wind, water, and temperature changes.

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What is erosion?

Back

Erosion is the process by which soil and rock are removed from one location and transported to another, often by wind, water, or ice.

Front

How do tree roots contribute to weathering?

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Tree roots can break rocks into smaller pieces as they grow and expand, a process known as biological weathering.

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What is metamorphic rock?

Back

Metamorphic rock is a type of rock that has been changed from its original form due to heat, pressure, or chemically active fluids.

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How does slate form?

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Slate forms from other rock when heat and pressure cause changes, typically from shale.

Front

What is streak color in minerals?

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Streak color is the color of the powder left behind when a mineral is scraped across a porcelain plate.

Front

What is the difference between magma and lava?

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Magma is molten rock found beneath the Earth's surface, while lava is magma that has reached the Earth's surface.

Front

What is a natural resource?

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A natural resource is a material or substance that occurs in nature and can be used for economic gain, such as water, minerals, and forests.