2.1 Science Quiz Review

The primary goal of science is to _________________.

The most reliable way to discover natural laws is called ________.

An inquiry is like a crime investigation with a mystery to solve.

• True

• False

After deducing and following the steps of inquiring something, you form a hypothesis.

• True

• False; You form a theory.

Scientific evidence HAS TO be collected by doing experiments in a scientific laboratory.

• True

• False

Early hypotheses are rarely correct, but are hardly ever modified when new evidence becomes available.

• True;True

• True;False

• False;True

• False;False

Which of the following is an example of deduction?

• Hector calls the weather service to find out if the temperature outside is below freezing.

• Caroline looks out the window and concludes that the temperature is below freezing because she sees that the puddles in her neighbor's driveway are frozen.

List the following from least reliable to most reliable: theory, natural law, hypothesis. (______; _______; _______)

To be correct, a scientific theory must be everything EXCEPT

• supported by every part of a large collection of evidence.

• believed by a large number of reputable people.

• testable by comparison with scientific evidence.

• an explanation of something that actually occurs within the natural world or within man-made technology.

Julie, a third grade student, believes that the moon disappears on certain days every month. Explain why the following information is or is not scientific evidence which can be used to evaluate Julie's hypothesis:

a. Julie sometimes cannot see the moon all night even though the sky is clear.

b. Anne, Julie's older sister, thinks the phases of the moon are caused by the moon's position in its orbit around the Earth.

• a is scientific evidence because Julie is deducing something, and it can be repeatable by someone else. b is not scientific evidence because Anne is just telling Julie something, and it isn't necessarily true.

• a is not scientific evidence because it is not correct. b is scientific evidence because it is correct.