PS Unit 1: Scientific Method Test

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 variable 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

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

• 22.0 mL
• 20.0 mL
• 24.0 mL
• 19.5 mL

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.

All of the following are steps in the scientific method EXPCET

• 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 __________.

• bar graph
• line graph
• circle graph
• scatter graph

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

• constant
• control group
• dependent variable
• independent variable