Exploring Scientific Method Concepts Test

What is the first step of the scientific method?

• Forming a hypothesis

• Making an observation

• Conducting an experiment

• 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 that is kept the same throughout an experiment called?

• Dependent variable

• Independent variable

• Constant

• Responding variable

Tags

NGSS.MS-PS2-2

Which term describes the group in an experiment that does not receive the experimental treatment?

• Experimental group

• Control group

• Variable group

• Test group

What is the purpose of repeating an experiment multiple times?

• To change the hypothesis

• To increase reliability of results

• To make the experiment longer

• To use more materials

Which of the following is an example of qualitative data?

• The plant grew 5 cm

• The solution turned blue

• The mass was 10 grams

A student wants to test if the amount of sunlight affects plant growth. What is the independent variable in this experiment?

• Amount of sunlight

• Type of plant

• Amount of water

• Height of the plant

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Which step comes immediately after forming a hypothesis in the scientific method?

• Collecting data

• Conducting an experiment

• Making an observation

• Drawing a conclusion

A scientist records the temperature every hour during an experiment. What type of variable is the temperature?

• Independent variable

• Dependent variable

• Control variable

• Constant variable

Why is it important to have only one independent variable in a controlled experiment?

• To make the experiment faster

• To ensure accurate measurement of the effect

• To use more materials

• To increase the number of results

Tags

NGSS.MS-PS2-2