REVIEW: Unit 1 (Biology)

Imagine that you design and conduct an experiment with the hypothesis that adding salt to water makes it boil faster, and you find that to work in your lab. As a scientist you would say...

• the results do not support your hypothesis

• the results support your hypothesis

• you need to redo the experiment

• you need to rewrite your hypothesis

Tags

NGSS.MS-PS3-5

Which part of a scientific method is being represented? Based on the results, the tennis ball bounced higher than the golf ball supporting the hypothesis.

• research

• completing the experiment

• reporting the data

• communicating the results

Which part of the scientific method is being represented? I am wondering if gummy worms expand quicker in water, milk, juice, or vinegar.

• ask a question

• research

• reporting data

• completing the experiment

Which part of the scientific method is represented? I fill four cups with water, milk, juice, and vinegar. Then I put a gummy worm in each and observe.

• ask a question

• research

• reporting the data

• completing the experiment

A systematic approach to solving problems and answering questions is called the ___.

• scientific method

• controlled experiment

• conclusion

• hypothesis

Commonly conducted to test a hypothesis

• variable

• science

• data

• experiment

Tags

NGSS.HS-PS3-4

Factor that is being tested

• experiment

• data

• variable

• controlled experiment

Tags

NGSS.HS-PS1-3

How does the control group differ from an experimental group in a scientific experiment?

• The control group does not contain the experimental data, but the experimental group does.

• The control group does not contain the experimental variable, but the experimental group does not.

• The control group is not tested or measured.

• The control group contains more than one experimental variable.

The variable that is measured in the experiment is the ___.

• dependent variable

• independent variable

• control variable

• hypothetical variable

Tags

NGSS.HS-PS1-3

Which of the following must be done for the results of an experiment to be considered valid?

• The experiment must be repeated numerous times and the results are precise.

• The results must be published in a national journal.

• The results must be shown in a pie graph.

• The results must be only quantitative.

Tags

NGSS.HS-PS2-5