Exploring the Scientific Method

Which of the following is the first step in the scientific method?

• Forming a hypothesis

• Making an observation

• Collecting data

• Drawing a conclusion

What is an independent variable in an experiment?

• The variable that is measured

• The variable that is kept constant

• The variable that is changed by the experimenter

• The variable that is not recorded

Tags

NGSS.MS-PS2-2

Which term describes the outcome that is measured in an experiment?

• Independent variable

• Dependent variable

• Control variable

• Hypothesis

Tags

NGSS.MS-PS1-2

NGSS.MS-PS2-2

What is a hypothesis?

• A proven fact

• A testable prediction

• A list of materials

• A data table

Tags

NGSS.MS-LS1-5

Which of the following is NOT a step in the scientific method?

• Forming a hypothesis

• Collecting data

• Making a guess without evidence

• Drawing a conclusion

If you are testing the effect of sunlight on plant growth, what is the dependent variable?

• Amount of sunlight

• Type of plant

• Amount of water

• Plant growth

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Which of the following best describes a control variable?

• The variable that is changed

• The variable that is measured

• The variable that is kept the same throughout the experiment

• The variable that is ignored

You want to test if fertilizer affects the height of tomato plants. What would be a suitable hypothesis?

• Tomato plants are green.

• If tomato plants are given fertilizer, then they will grow taller than those without fertilizer.

• Tomato plants need water.

• Fertilizer is expensive.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Which data collection technique would be most appropriate for measuring the temperature change in a chemical reaction?

• Using a thermometer to record temperature at regular intervals

• Drawing a picture of the reaction

• Writing a story about the reaction

• Guessing the temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

After conducting an experiment, what should you do with your results?

• Ignore them if they do not match your hypothesis

• Analyze the data to look for patterns or trends

• Change the data to fit your hypothesis

• Throw away the data

Tags

NGSS.MS-PS2-5

NGSS.MS-PS3-1