Experimental design-graded checkup

A good scientific question fits which criteria?

• interesting and can lead to experimentation

• open-ended and broad

• always open-ended and can lead to experimentation

• always closed-ended and specific

Independent variables:

• are kept the same throughout the experimental process

• are manipulated by the experimenter to see what effect occurs

• are measured as a result of an experiment

Tags

NGSS.MS-PS2-2

Dependent variables are:

• are kept the same throughout the experimental process

• are manipulated by the experimenter to see what effect occurs

• are measured as a result of an experiment

Tags

NGSS.MS-PS1-2

Only one variable should be held constant during experimentation.

• True

• False

Tags

NGSS.MS-PS3-4

An experimental procedure should provide clear and specific steps for conducting the experiment.

• True

• False

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

If you do your homework, you will get a better test grade. Identify the dependent variable:

• test grade

• amount of time to finish test

• doing your homework

• time of day for taking test

If you do your homework, you will get a better test grade. Identify the independent variable:

• test grade

• amount of time to finish test

• doing your homework

• time of day for taking test

If you do your homework, you will get a better test grade. Identify the constant(s). Select all that apply.

• test grade

• type of test

• doing your homework

• time of day for taking test

If you give a mouse a cookie then it will want milk. The indpendent variable is ___________________

• the object given to the mouse (cookie or no cookie or something else)

• the milk or anything else the mouse wants

• the mouse

• there is no independent variable here

True/False: Scientific theories are unsupported by evidence.

• True

• False

Tags

NGSS.MS-PS3-5