Biology Semester 1 Review

All living organisms are made up of ________.

• cells

• theory

• particles

• chloroplasts

A well-tested explanation based on observation, experimentation, and reasoning is known as a(n) ________.

• hypothesis

• experiment

• theory

• observation

A(n) ___________ is a possible explanation that can be tested by experimentation.

• theory

• experiment

• observation

• hypothesis

A(n) ___________ is a planned procedure to test a hypothesis.

• plan

• experiment

• theory

• cell

Tags

NGSS.MS-PS2-2

An experiment that tests only one variable at a time is considered to be ___________.

• uncontrollable

• controlled

• theory

• experiment

Information that is gathered by use of senses and instruments is called a(n) ____________.

• test

• hypothesis

• theory

• observation

List the steps of the scientific investigation steps in order:

• question, observation, hypothesis, experiment, results/conclusion

• observation, question, hypothesis, experiment, results/conclusion

• experiment, hypothesis, observation, question, results/conclusion

What is the primary characteristic of a theory?

• a scientist did one experiment and it worked

• been tested and has not worked by many scientists

• been tested and proven true by many scientists over a large amount of time

Conversion:

Change 657,030 g to mg

• 0.657,030 mg

• 657,030,000 mg

• 657.030 mg

• 657,030,000,000 mg

What is homeostasis?

• changing temperatures

• being the same

• maintaining a constant internal environment

Tags

NGSS.HS-LS1-3