UNIT 0 TEST REVIEW: Sci. Method/Sig Figs/Metrics/D. Analysis

Front

What is the scientific method?

Back

A series of steps used by scientists to solve a problem or answer a question.

Front

What are significant figures?

Back

Digits in a number that contribute to its precision, including all non-zero digits, zeros between significant digits, and trailing zeros in the decimal portion.

Front

Calculate 1.15 cm x 4.20 cm x 0.99 cm and give your answer with the appropriate number of significant figures.

Back

4.8 cm³

Front

How many minutes are in a year? (round answer to a whole number)

Back

525,600 min

Front

What type of observations are made using instruments such as rulers, balances, and thermometers?

Back

Quantitative observations.

Front

What is a control group in an experiment?

Back

The group that receives the fake pill or does not receive the treatment being tested.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.

Front

What is the metric system?

Back

A decimal-based system of measurement used internationally, based on meters, liters, and grams.

Front

How do you round 0.004567 to three significant figures?

Back

0.00457.

Front

What is the purpose of a hypothesis in scientific research?

Back

A proposed explanation for a phenomenon, which can be tested through experimentation.