Understanding the Scientific Method

What is the first step you might take when you realize your cell phone is missing?

• Analyze data

• Conduct an experiment

• Make an observation

• Form a hypothesis

What should you do if your initial experiment does not answer your question?

• Ignore the results

• Stop the investigation

• Repeat the experiment

• Change the hypothesis

Tags

NGSS.HS-LS1-3

NGSS.HS-PS1-3

Which senses are involved in making scientific observations?

• Sight and sound only

• Smell and touch only

• All five senses

• Taste and sight only

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NGSS.MS-LS1-8

What type of sources should be used for scientific research?

• Outdated textbooks

• Vetted scientific journals

• Any available source

• Blogs and forums

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NGSS.HS-LS2-6

What is a hypothesis typically structured as?

• A command

• A question

• An if-then statement

• A factual statement

What types of data are collected in scientific experiments?

• Qualitative only

• Quantitative only

• Neither qualitative nor quantitative

• Both qualitative and quantitative

Tags

NGSS.MS-PS1-2

What does the independent variable represent in an experiment?

• The variable that is changed

• The variable that is kept constant

• The variable that is measured

• The variable that is eliminated

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NGSS.MS-PS2-2

NGSS.MS-PS3-4

What is measured in the gummy bear experiment as the dependent variable?

• The weight of the gummy bears

• The color of the gummy bears

• The volume of the gummy bears

• The taste of the gummy bears

What is the role of the control group in an experiment?

• To be compared with the experimental group

• To prove the hypothesis

• To manipulate the independent variable

• To collect data only

Why is it important to have both an experimental and a control group in a scientific experiment?

• To validate the hypothesis with different data

• To ensure the experiment can be repeated

• To compare results and understand effects

• To increase the quantity of data collected