Unit 1 Review (Lessons 1-6)

Front

What is an antibiotic?

Back

A substance that kills or inhibits the growth of bacteria.

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What does antibiotic resistance mean?

Back

When bacteria evolve and become immune to the effects of antibiotics, making infections harder to treat.

Front

What is a testable question?

Back

A question that can be answered through experimentation and observation.

Front

What is the dependent variable in an experiment?

Back

The variable that is measured or observed in response to changes in the independent variable.

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What is the independent variable in an experiment?

Back

The variable that is changed or controlled to test its effects on the dependent variable.

Front

What is a hypothesis?

Back

A proposed explanation or prediction that can be tested through experimentation.

Front

What is a control group in an experiment?

Back

A group that does not receive the experimental treatment and is used for comparison.

Front

Why is it important to have a control in an experiment?

Back

To ensure that the results are due to the independent variable and not other factors.

Front

What is the scientific method?

Back

A systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What is the role of salt in plant growth?

Back

Excess salt can inhibit plant growth by affecting water absorption and nutrient uptake.