IPC Fall Semester Exam

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

• Control Group
• Constant
• Hypothesis
• Variable

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

• analysis
• observation
• hypothesis
• 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 looks cool.
• It prevents the beaker from breaking.
• 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
• independent variable
• control group
• dependent variable

Using the graduated cylinder to the right, pick the accurate AND precise measurement below.

• 22.0 mL
• 22 mL
• 20.0 mL
• 20 mL

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

• use a fire extinguisher
• do nothing. It will burn out eventually.
• panic
• tell the teacher

All of the following are steps in the scientific method EXCEPT

• observing and recording data.
• developing a model.
• forming a hypothesis.
• discarding data that doesn’t match the hypothesis.

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

• Circle Graph
• Bar graph
• Line Graph
• Scatter Graph

A factor that does NOT change in an experiment is the ______.

• constant
• dependent variable
• control group
• independent variable