Scientific Knowledge

Question 1

Which are examples of science rather than pseudoscience? Check all that apply.The “five second rule” states that if food is picked up within five seconds of dropping it, it will not gather germs.The US surgeon general’s report in 1964 declared that smoking cigarettes was linked to cancer.The Bates method suggests that closing the eyes and thinking of something pleasant can improve vision.Currently, the rate of increase of carbon dioxide in the atmosphere is more than double what it was in the 1960s.A person should not swim right after eating because she could develop severe muscle cramps and drown.

Revolt · Accepted Answer

The US surgeon general’s report in 1964 declared that smoking cigarettes was linked to cancer.; Currently, the rate of increase of carbon dioxide in the atmosphere is more than double what it was in the 1960s.

Question 2

A scientific question may lead to a(n) , which can be tested.

Revolt · Accepted Answer

hypothesis

Question 3

The results of can lead to changes in scientific knowledge.

Revolt · Accepted Answer

experimentation

Question 4

Scientists develop knowledge by making about the natural world that may lead to a scientific question.

Revolt · Accepted Answer

observations

Question 5

What did you include in your response? Check all that apply.

Revolt · Accepted Answer

Make multiple observations.; Repeat trials.; Use proper units.; Repeat experiments.

Question 6

What did you include in your response? Check all that apply.

Revolt · Accepted Answer

Limit the scope of the study.; Complete several smaller studies over a longer period of time.

Scientific Knowledge Answers

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