CP Bio Unit 1 Test Review

All of the following pieces of equipment EXCEPT for _____________ could be useful for transferring a liquid from one container to another

• beaker

• funnel

• petri dish

• graduated cylinder

Susie needs 30 mL of motor oil to test her combustion engine. Which tool would give him the most precise measurement?

• beaker

• flash

• test tube

• graduated cylinder

If your measurement is VERY close to the correct value, it is considered to be

• accurate

• precise

If everyone in the class measures the same piece of string and gets similar results, the results are considered to be...

• accurate

• precise

Which piece of glassware is never used for making measurements?

• test tube

• beaker

• Erlenmeyer flask

A GUESS based on an OBSERVATION is known as a(n)

• observation

• prediction

• inference

• scientific law

Susie takes a nap. When she wakes up, she notices water droplets on her window pane. If Susie assumes it rained while she was asleep, she is making a(n)

• hypothesis

• inference

• observation

• prediction

The “effect,” also represented by what the scientist measures and records in an experiment, is known as the

• independent variable

• dependent variable

Give an example of a qualitative observation.

Give an example of a quantitative observation.