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Biology Scientific Method

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Questions and Answers

What is an independent variable in an experiment?

A variable that is controlled so it does not affect the outcome

A variable that is kept the same between different experiments

A variable being measured

A variable manipulated by the person conducting the experiment (correct)

Which of the following is an example of a dependent variable?

Amount of sunlight

Species of plant

Height of the plant (correct)

Temperature of air

Why are all other variables in an experiment controlled?

To ensure that they influence the outcome

To prevent them from affecting the result (correct)

To increase the complexity of the experiment

To allow for multiple independent variables

What type of data would be collected in an experiment measuring plant growth?

Data measured in numbers Signup and view all the answers

In analyzing research experiments, what is typically used to determine relationships among data?

Statistical software Signup and view all the answers

What is the first step of the scientific method?

Making an observation Signup and view all the answers

What is the purpose of forming a hypothesis in the scientific method?

To make an educated guess based on prior observations Signup and view all the answers

Why is it important for hypotheses to be testable?

To allow for experiments to determine their validity Signup and view all the answers

In the scientific method, what follows after asking a question?

Forming a hypothesis Signup and view all the answers

What is the role of performing an experiment in the scientific method?

To test the hypothesis and gather evidence Signup and view all the answers