Hypotheses, Theories, and Laws

Question 1

A student conducted a comparative investigation to test the hypothesis that different areas of New York City have different levels of air pollution.Which is a likely benefit of this comparative investigation?

Revolt · Accepted Answer

A: It provides her with a large amount of information about air pollution in New York City.

Question 2

A student conducted a scientific investigation on the magnetic properties of iron. She used a magnet to try to pick up iron nails.After making several observations, which question can she answer?

Revolt · Accepted Answer

A: Which part of a magnet is strongest at attracting iron?

Question 3

A student is participating in the school science fair. She wants to investigate household cleaners.Which question can she best answer through scientific investigation?

Revolt · Accepted Answer

A: Which household cleaner is most effective at removing stains?

Question 4

A researcher is studying traffic patterns at an intersection before an upcoming construction project. As part of this investigation, the researcher writes a scientific question, develops a procedure to observe traffic specifically at this intersection, and draws a conclusion.Which type of investigation is the researcher conducting?

Revolt · Accepted Answer

A: descriptive

Question 5

Which phrase best describes scientific inquiry?

Revolt · Accepted Answer

C: involves asking and answering questions

Question 6

A research student wants to know whether ethanol is a better fuel than gasoline.Which step in the process of scientific inquiry has already been completed?

Revolt · Accepted Answer

A: asking a scientific question

Question 7

A student wanted to know the most effective way to grow bacteria in a lab. He conducted a descriptive investigation instead of an experimental investigation.What is a limitation of his investigation?

Revolt · Accepted Answer

A: A descriptive investigation cannot show a cause-and-effect relationship between bacteria growth and possible factors affecting growth.

Question 8

Jeff finds a pond during a nature walk, and he has some questions based on his observations of the pond.Which question can he answer through a scientific investigation?

Revolt · Accepted Answer

A: Which organisms are part of the food web in the pond?

Question 9

What phrase describes a good scientific question?

Revolt · Accepted Answer

B: addresses a gap in knowledge

Question 10

What is the first step in the process of scientific inquiry?

Revolt · Accepted Answer

C: making an observation

Hypotheses, Theories, and Laws Answers

More from this Course

TRY EDGENUITY HACKS