BRAINLIEST and 40 POINTS 1. When can a theory be revised?
A. if the general public does not understand the theory
B. when a new scientist begins working on it
C. if new knowledge expands and corrects our understanding
D. after 10 years

2. What is bias?
A. making objective observations
B. basing reports on your personal beliefs
C. not falsifying data
D. reporting things as they really are

3. What is a trade-off?
A. a technological advance that makes life easier
B. a new scientific discovery that benefits the environment
C. something you sacrifice in order to gain something else
D. something you gain when you study science

4. Which word best describes a good scientific question?
A. narrow-focused
B. broad
C. unanswerable
D. testable

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Explanation:

(1)

Accepted theories may be modified or overturned as new evidence and perspective emerges. Scientists are likely to accept a new or modified theory if it explains everything the old theory did and more.

(2)

Bias is a disproportionate weight in favor of or against an idea or thing, usually in a way that is closed-minded, prejudicial, or unfair. Biases can be innate or learned. People may develop biases for or against an individual, a group, or a belief. In science and engineering, a bias is a systematic error. Wikipedia

(3)

a balance achieved between two desirable but incompatible features; a compromise.

"a trade-off between objectivity and relevance"

(4)

D. testable

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