Investigation

the factor that is changed by the scientist in a science experiment.

• dependent variable

• independent variable

• constant

• hypothesis

Tags

NGSS.MS-PS2-2

A well designed experiment should be able to be repeated.

• true

• false

Tags

NGSS.MS-PS2-2

Place the following steps in sequence: Recognizing a problem; Testing a hypothesis; Drawing inferences

• A, C, B

• A, B, C

• B, C, A

• C, B, A

Tags

NGSS.MS-ETS1-3

What must you do before you make a hypothesis?

• Run an experiment

• Make observations

• Form a theory

• Draw conclusions

Which type of investigation does not have a hypothesis? (a)  

• Descriptive

• Comparative

• Experimental

Which of the following is a testable hypothesis?

• Roses are more beautiful than violets.

• A plant needs at least five hours of sunlight per day to grow.

• Ice cream is delicious.

• Humans will someday land on Mars.

Tags

NGSS.MS-LS1-5

the factor that is measured in the science experiment.

• constant

• independent variable

• hypothesis

• dependent variable

Tags

NGSS.MS-PS1-2

a prediction that can be tested.

• constant

• variable

• hypothesis

• dependent variable

You should run an experiment several times to make sure your results are consistent. In the preceding phrase, what does "consistent" mean?

• Obvious

• Perfect

• Unchanging

• Testable

Which statement best describes the nature of science?

• The nature of science is for scientists to prove that their hypotheses are correct.

• The nature of science is to recreate nature in the laboratory.

• The nature of science is for scientists to prove their point of view is correct.

• The nature of science is to investigate and understand the natural world and to use this understanding to make useful predictions.

Tags

NGSS.MS-LS1-5