Physical Science: Test 1

What is the part of an experiment that serves as a standard for comparison?

• Control Group

• Constant

• Variable

• Hypothesis

A testable prediction that predicts a cause and effect relationship between variables is a(n) .

• analysis

• hypothesis

• observation

• inference

Where does the dependent variable go on a graph?

• X-axis

• Y-axis

• In the Title

• In the Key

Why is it advisable to use tongs when taking a beaker off a laboratory burner?

• It prevents spilling.

• It prevents the beaker from breaking.

• It looks cool.

• It allows you to move it if it is too hot.

A factor in an experiment that changes in response to the independent variable is the ____.

• constant

• control group

• independent variable

• dependent variable

If your lab partner’s clothes catch on fire, you should first ___________.

• use a fire extinguisher

• panic

• do nothing. It will burn out eventually.

• tell the teacher

The best type of graph to use to show the percentages of a whole is a

• Bar graph

• Circle Graph

• Line Graph

• Scatter Graph

A factor that does NOT change in an experiment is the _____

• constant

• control group

• dependent variable

• independent variable

The speed of light is approximately 3.0 x 108

m/s. How would this be written in standard notation?

• 300,000 m/s

• 30,000,000 m/s

• 3,000,000

• 300,000,000 m/s

Which of the following is a quantitative observation?

• The dog has two legs.

• The dog is small.

• The dog is cute.

• The dog is fuzzy.