Which definition best describes the purpose of the scientific method

What is a control variable ?

John wants to know the effect light has on the height of a pea plant. He places several pea plants by his windowsill and several more in a dark room. What would be the control group for this experiment?

John wants to know the effect light has on the height of a pea plant. He places several pea plants by his windowsill and several more in a dark room. Which answer choice best describes how he would setup the the experimental group?

What is a placebo

What is the independent variable?

When designing a controlled experiment what does the control group receive?

What is the first step in the scientific method?

What is the main purpose of clinical trials in medical research?

What is the main purpose of a lab report?

Which statement best describes a hypothesis?

When graphing data the independent variable will always be placed on which axis?

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When heating a solution in a test tube, a student should

What doe the experimental group in an experiment receive

What is the purpose of testing two groups in an experiment

To make an experiment more valid scientists should

Diagrams, tables, and graphs are used by scientists mainly to

When designing a controlled experiment the hypothesis gets tested by

Which axis does the dependent variable go on?

What is a dependent variable?

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