Scientific Method

What is the correct order of steps in the Scientific Method?

• Ask a question, make a hypothesis, test the hypothesis, draw conclusions, and analyze results.

• Ask a question, make a hypothesis, test the hypothesis, analyze the results and draw conclusions.

• Ask a question, analyze the results, make a hypothesis, test the hypothesis and draw conclusions.

• Make a hypothesis, test the hypothesis, analyze the results, ask a question, and draw conclusions

Which of the following refers to an educated guess that could be a possible answer to a question?

• experimentation

• hypothesis

• observation

• variables

In an experiment, which variable is being changed or manipulated?

• controlled variable

• dependent variable

• experimental set-up

• independent variable

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

Which variable is being measured and observed?

• control set-up

• controlled variable

• dependent variable

• independent variable

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

Which variable is kept constant throughout the experiment?

• dependent variable

• control set-up

• controlled variable

• experimental set-up

Tags

NGSS.MS-PS3-4

When a scientist gives a tentative answer or explanation to the observed facts, he is ____________________.

• conducting an experiment

• drawing a conclusion

• formulating a hypothesis

• communicating the results

To test the hypothesis formulated by the scientist, he proceeds by doing ____________________.

• formulating a hypothesis

• designing an experiment

• drawing a conclusion

• analyzing and interpreting the results

Tags

NGSS.MS-ETS1-4

After carefully analyzing and interpreting the data, the scientist can finally give a summary of the experiments’ results.

• analyzing and interpreting the results

• communicating the results

• designing an experiment

• drawing a conclusion

A scientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water. Which is the independent variable?

• amount of salt in the water

• amount of water

• number of plants that live in the water

• temperature of the water

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A scientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water. Which is the dependent variable?

• amount of salt in the water

• amount of water

• number of plants that live in the water

• temperature of the water

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4