Nature of Science

Justin has a bad cold. When he blows his nose mucus seems to leak through the tissue. He decides to test which tissue holds up the best when he blows his nose. What is the independent variable that Justin is testing?

• His cold

• the time of dayhe blows his nose

• the amount of tissue he uses

• the type of tissue he is using

Why should an experiment be repeated?

• to revise and refine the procedures

• to confirm the results

• to analyze the control group

• to revise the question

Tags

NGSS.MS-PS1-2

All are part of the scientific inquiry process, except for ____

• posing a good question

• change your data to match your claim

• analyzing the data

• designing an experiment

How are theory and a claim alike?

• Both are completed by experts.

• Neither of them can be revised.

• They attempt to explain natural phenomenon.

• They both describe an event in nature.

I see that Mrs. McDermott is holding a coffee cup, I assume that there is coffee in the coffee cup. By making the assumption that there is coffee in the mug, I have made a(n)

• observation

• inference

• classification

• experiment

You use one or more of your five senses in making ______

• an observation

• a prediction

• an experiment

• a conclusion

To the test of a claim one would ___

• make a control group

• change the dependent variable

• state your conclusions

• perform an experiment

The variable that is the result of the experiment is the _____

• dependent variable

• experimental group

• control variable

• independent variable

Which of the following is a fact? not an opinion.

• The water is 79 degrees

• The water is very hot

• The water is super cold

• The water looks deep

Mr. McNeice wanted to know if different types of music affected infants's heart rates; so he played different types of music and checked their pulses. What is the dependent variable?

• type of music

• the infant's pulse

• how long they listend to music

• the infants age