7th Grade Accel- Final Review

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What is commensalism?

Back

A type of symbiotic relationship where one organism benefits while the other is neither helped nor harmed.

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What is a compound?

Back

A substance made from two or more elements that are chemically bonded together.

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What are physical properties?

Back

Properties that can be observed without changing the matter's identity.

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What is the scientific method?

Back

A systematic process for experimentation that is used to explore observations and answer questions.

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What is the role of a control in an experiment?

Back

A control is a standard for comparison in an experiment, ensuring that the results are due to the variable being tested.

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What is the difference between qualitative and quantitative observations?

Back

Qualitative observations describe characteristics or qualities, while quantitative observations involve measurements and numbers.

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What is the purpose of a hypothesis?

Back

A hypothesis is a testable prediction about the outcome of an experiment.

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What is the significance of the periodic table?

Back

The periodic table organizes all known elements based on their properties and atomic structure.

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What is an ecosystem?

Back

A community of living organisms interacting with their environment.

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What is the difference between an independent variable and a dependent variable?

Back

The independent variable is manipulated in an experiment, while the dependent variable is measured to see how it responds.