Chapter 1, Section 1- Chapter 3, Section 1

What is the process that uses observation and investigation to gain knowledge about events in nature?

• hypothesis

• science

• Earth science

• experimenting

An organized set of investigation procedures used by scientists.

• metric system

• hypothesis

• science

• scientific method

An educated guess of testable prediction.

• hypothesis

• scientific theory

• science

• guess

Rule of nature that sums up related observations to describe patterns in nature.

• scientific theory

• scientific law

• science

• hypothesis

Explanation based on experiments- most logical explanation.

• scientific method

• scientific theory

• scientific law

• science

Factor that doesn't change in an experiment.

• independent variable

• control

• constant

• dependent variable

Amount of matter in an object.

• mass

• weight

• pounds

• size

Mass per unit volume of a material

• mass

• density

• weight

• liters

Interval between two occurring events

• days

• seconds

• time

• hours

Distance between two points

• meters

• feet

• length

• distance