1.1 Science and the Natural World

A good hypothesis must be

• logical

• falsifiable

• based on scientific knowledge

• all of these

A scientific theory is always supported by a great deal of evidence.

• True

• False

Under certain conditions, a scientific law is always true.

• True

• False

The scientific method always begins by asking a question.

• True

• False

Science can be used to answer all questions.

• True

• False

A(n) ____________ tells what will happen under certain conditions.

• hypothesis

• experiment

• prediction

• law

A good hypothesis is always correct.

• True

• False

The affected variable in an experiment is the ____________ variable

• independent

• dependent

• control

• none of the above

Evidence that ____________ with your prediction supports your hypothesis.

• disagrees

• agrees

The theory of evolution and the cell theory are well-known scientific ____________.

• experiments

• laws

• ideas

• theories