Exploring the Scientific Method

What is the first step of the scientific method?

• Forming a hypothesis

• Making an observation

• Analyzing data

• Drawing a conclusion

Which of the following best defines a hypothesis?

• A proven fact

• A testable prediction

• A list of materials

• A summary of results

What is a variable in an experiment?

• A constant factor

• A factor that can change

• The conclusion

• The data collected

Tags

NGSS.MS-PS2-2

Which term describes the factor that is kept the same in all parts of an experiment?

• Variable

• Control

• Hypothesis

• Data

Tags

NGSS.MS-PS3-4

What is the main purpose of collecting data in an experiment?

• To prove a hypothesis is always correct

• To provide evidence for or against a hypothesis

• To create more variables

• To change the control

Tags

NGSS.MS-LS1-5

NGSS.MS-PS1-2

Which of the following is a qualitative observation?

• The solution turned blue

Which of the following is a quantitative observation?

• The liquid smelled sweet

• The sample was rough

• The metal was shiny

Tags

NGSS.MS-PS3-1

What is the main difference between qualitative and quantitative data?

• Qualitative data uses numbers; quantitative data uses words

• Qualitative data is descriptive; quantitative data is numerical

• Both are always numerical

• Both are always descriptive

Why is it important to have a control group in an experiment?

• To increase the number of variables

• To compare results and determine the effect of the independent variable

• To change the hypothesis

• To collect more data

If a scientist wants to test the effect of sunlight on plant growth, what would be an appropriate control?

• Plants given extra water

• Plants kept in the dark

• Plants exposed to sunlight

• Plants given fertilizer

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6