Experimental Design Vocabulary

The conditions that must be kept the same for the control group and the experimental group

• dependent variables

• independent variables

• constants

• manipulated variables

The variable that is being manipulated in an experiment

• dependent variable

• independent variable

• constant

• responding variable

Tags

NGSS.MS-PS2-2

A student wants to find out whether weight affects falling speed. The student should use objects

• of the same weight

• of different shapes

• of the same shape but different weights

• of the same weight but different shapes

Tags

NGSS.MS-PS2-2

The experimental group should be compared to the

• independent variable

• dependent variable

• constant

• control group

In the two groups of a controlled experiment, everything should be identical except for the

• manipulated variable

• responding variable

• constants

• conclusion

A nurse wants to know if taking the medicine called Theraflu really helps flu symptoms go away faster than taking nothing. Which of the following describes the control group for this experiment?

• all people with no flu symptoms

• all people with flu symptoms taking Theraflu

• all people with flu symptoms not taking Theraflu

• everyone in the experiment

A nurse wants to know if taking the medicine called Theraflu really helps flu symptoms go away faster than taking nothing. Which of the following describes the experimental group for this experiment?

• all people with no flu symptoms

• all people with flu symptoms taking Theraflu

• all people with flu symptoms not taking Theraflu

• everyone in the experiment

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

Students are experimenting to find out how the length of a string effects how quickly a pendulum will swing. In this experiment, the dependent variable is

• time for one swing of pendulum

• string length

• type of weight on the pendulum

• height of pendulum

The variable in an experiment you purposely change is the

• control variable

• dependent variable

• responding variable

• independent variable

The variable that may change as a result of the independent variable is the

• manipulated variable

• control group

• constant

• dependent variable

Tags

NGSS.MS-PS2-2