Practice Questions and Correct A+ Answers
Which of the following is a good scientific hypothesis?
1. If a plant is given less oxygen than what is present in the air, the plant will grow more slowly.
2. Gasoline is made up of particles that can not be seen.
3. More people carry laptops at the airport on Tuesdays then on Saturdays.
4. People who smoke cough more often. - Answer 1
Science is not based on inquiry, but rather on facts.
True or False? - Answer False
In an experiment, the hypothesis is that a red shirt fades faster when washed more frequently . This
hypothesis is _____.
1. testable
2. falsifiable
3. observable
4. repeatable
5. all of the above - Answer 5
What is a reliable source of background information for researching a problem? - Answer a scientific
journal
An ecosystem becomes more stable as the diversity of the community _____________ - Answer
increases
The component of a homeostatic control system which transmits the response is called the
____________ - Answer effector
_______________ is the systems reaction to the stimulus. - Answer response