7th Grade Fall Semester Final

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What is an independent variable?

Back

An independent variable is the factor in an experiment that is changed or controlled to test its effects on the dependent variable.

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What is a dependent variable?

Back

A dependent variable is the factor that is measured or observed in an experiment, which is affected by changes in the independent variable.

Front

What are amino acids?

Back

Amino acids are the building blocks of proteins, formed when proteins are broken down.

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What is a constant in an experiment?

Back

A constant is anything that must be kept the same in an experiment to ensure that the test is fair.

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How do molecules behave when a substance changes from gas to liquid?

Back

The molecules move slower and around each other after the phase change.

Front

What is a cell wall?

Back

A cell wall is a rigid layer that surrounds the cells of plants, providing structure and support, and is not found in animal cells.

Front

What is the function of a vacuole in plant cells?

Back

A vacuole is a storage organelle in plant cells that holds materials and waste products.

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What is the role of mitochondria in cells?

Back

Mitochondria are known as the powerhouse of the cell, where energy (ATP) is produced through cellular respiration.

Front

What is the difference between qualitative and quantitative data?

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Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.

Front

What is the scientific method?

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The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.