Scientific Method Review

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

• control group

• hypothesis

• constant

• variable

A testable prediction that predicts a cause and effect relationship between variables in 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

Tags

NGSS.MS-PS3-1

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.

Tags

NGSS.MS-PS3-3

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, 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 ___________

• panic

• do nothing.  It will burn out eventually.

• use a fire extinguisher

• 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

• Bar graph

•  Circle Graph

• Line Graph

• Scatter Graph

Tags

NGSS.MS-PS3-1

A factor that does NOT change in an experiment is the

• independent variable

• dependent variable

• constant

• control group