8th Grade Science Fall Final

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Someone who studies the weather.

Back

Meteorologist: A scientist who specializes in the study of weather and atmospheric conditions.

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What leads to a decrease in biodiversity?

Back

Introduction of exotic or invasive species: These species can disrupt local ecosystems and outcompete native species.

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A wave with a large wavelength will have a ______ frequency and _____ energy.

Back

Low frequency and low energy: Longer wavelengths correspond to lower frequencies and lower energy.

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What is secondary succession?

Back

Secondary succession: The process of ecosystem recovery after a disturbance, such as a flood, where plants grow back in an area.

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How are the ocean crusts moving in sea-floor spreading?

Back

Diverging: The ocean crusts are moving apart from each other.

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What is biodiversity?

Back

Biodiversity: The variety of life in a particular habitat or ecosystem, including the number of different species.

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What is the role of lichens in primary succession?

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Lichens: They are often the first organisms to colonize bare rock, helping to create soil.

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What is the difference between weather and climate?

Back

Weather: The short-term atmospheric conditions in a specific area; Climate: The long-term average of weather patterns in a region.

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What is an ecosystem?

Back

Ecosystem: A community of living organisms interacting with their physical environment.

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What is the water cycle?

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Water cycle: The continuous movement of water through evaporation, condensation, precipitation, and collection.