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Understanding Scientific Experiments

This worksheet covers key concepts of scientific experimentation, including the scientific method, variables, and hypothesis formation, suitable for Grade 8 science students.

Grade 8 Science Engineering & Science PracticesExperiment
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Includes

Multiple ChoiceFill in the BlanksTrue / FalseShort AnswerWord Bank

Standards

8-ESS2-5

Topics

scienceexperimentscientific methodvariableshypothesis
7 sections · Free to use · Printable
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Understanding Scientific Experiments

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Read each question carefully and answer to the best of your ability. Use complete sentences where required. Good luck!

1. What is the first step in the scientific method?

a

Formulate a hypothesis

b

Make an observation

c

Conduct an experiment

d

Analyze data

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

3. The variable that is changed by the experimenter is called the   variable.

4. A control group is exposed to the independent variable in an experiment.

T

True

F

False

5. Explain the difference between an independent variable and a dependent variable.

Use the words below to complete the sentences.

hypothesis
observation
conclusion
experiment

6. After making an  , a scientist forms a  .

7. The scientist then designs and conducts an   to test the hypothesis, leading to a  .