Unit Review: Nature of Science

The first step in the scientific method, and in solving everyday problems, is making….

• observations

• experiments

• guesses

• none of the above

The metric system is also known as the ___________ system.

• British

• English

• SI

• F.P.S.

The "repeatability" of a measurement is known as....

• accuracy.

• precision.

• significant figures.

• a theory.

Accuracy is how closely a measurement or series of measurements reflects the _____________ value.

• approximate

• actual

• unknown

• estimated

Scientists test a hypothesis by

• formulating questions.

• designing models.

• doing experiments.

• drawing conclusions.

You are asked to find the volume of a regular solid that is 2.5 cm high, 3.5 cm wide, and 6.0 cm long.

• 62.5 cm^3

• 40 cm^3

• 52.5 cm^3

• 45.3 cm^3

What is 87,900,000,000 expressed in scientific notation?

• 879 × 10^9

• 8.79 × 10^9

• 8.79 × 10^10

• 8.79 × 10^11

What is 0.00096 expressed in scientific notation?

• 9.6 × 10^-3

• 9.6 × 10^4

• 9.6 × 10^-4

• 96 × 10^-4

A series of logical steps that is followed in order to solve a problem is called the

• experimental process

• scientific theory.

• scientific method.

• model method.

If the results of your experiment do not support your hypothesis…

• It was a wasted experiment.

• Modify your hypothesis.

• Fudge your results to make it work.

• Lie and say it did work