Lab Quiz 1

What kind of animal is the pill bug?

Crustacean

What do scientist call the information they collect while doing experiments or making observations?

Data

Why is it important to test a pillbug's response using one substance at a time?

So that you can accurately identify the type of response to each substance

If you hypothesis was that your pillbug would be attracted to applesauce and your pillbug moved toward the applesauce, what would you say about your hypothesis?

Supported

Why is theory more comprehensive than a conclusion?

The theory is based on many individual conclusions

The data show that trans fat intake raises cholesterol and contributes to heart disease

Conclusion

Which is made by a scientist following experiments and observations, a theory or a conclusion?

Conclusion

What kind of skeleton does a pill bug have?

Exoskeleton

What structure do pillbugs use for gas exchange, and what conditions must these structures be in to function properly?

Gills and they must be kept slightly moist

If a pillbug moves toward a substance, is it attracted to or repelled by that substance?

Hypothesis

If a pillbug travels 3 mm in 30 seconds, what is its rate of speed?

Hypothesis

What is a tentative decision about the outcome of an experiment?

Hypothesis

Why is it important to have a control substance for an experiment?

It is not exposed to the testing procedure, so if it produces the same results then it is floated or the hypothesis is false

What do scientists do first when they begin to study a specific topic?

Making observations

All organisms are made of cells

Scientific theory

What do scientist develop after many years of experimentation and a lot of similar individual conclusions?

Theory