Experimental Design Notes Quiz

1. 1.Experiments often begin with an _____

2. 2.Scientific questions must be ______.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

3. 3.A possible answer to a scientific question is known as a _________.

4. 4.Variables are factors that can ______ or be changed within an experiment.

Tags

NGSS.MS-PS2-2

5.The _______ variable is the variable that is purposely manipulated or changed in the experiment.

6.The _____ variable is what is being observed or measured in an experiment.

7. 7.Controlled variables are parts of an experiment that must be kept constant and unchanged so that the _____ are valid

8.Scientists often divide an experiment into ___ groups.

8.The ______ group will not receive the treatment.

8. 8.The experimental group will _______ the treatment.