Scientific Investigation

the factor that is measured in the science experiment.

• constant

• independent variable

• hypothesis

• dependent variable

Tags

NGSS.MS-PS2-2

variables that stay the same through out an experiment.

• constant

• hypothesis

• variable

• independent variable

a prediction that can be tested.

• constant

• variable

• hypothesis

• dependent variable

A well designed experiment should be able to be repeated.

• true

• false

Counting the number of barnacles on a boat would be what type of data?

• qualitative

• quantitative

• quick

• quiver

In Tim and Moby's experiment, which was not a constant?

• the same pot

• the same type of plant

• the same amount of water

• the same amount of sunlight

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

What must you do before you make a hypothesis?

• Run an experiment

• Make observations

• Form a theory

• Draw conclusions

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 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-PS2-2