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4 cards from this section. Quick, good the night before a test.
What is the first step of the scientific method?
Think about what you must identify first.
Define a hypothesis.
It's what you will test in your experiment.
What is the first step in the Scientific Method?
This step happens before formulating a hypothesis.
True or False: A hypothesis is just a guess.
It's more structured than simply guessing!
Design an experiment to test the hypothesis: 'Excessive screen time negatively affects teens' sleep quality.' What would your independent and dependent variables be?
Consider what you're changing vs what you're measuring.
Evaluate the following study: A researcher finds that students who sleep less than 6 hours a night report lower grades. Is this a cause-and-effect relationship? Why or why not?
Think about how multiple variables might play a role.
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