Experimental Design

What is an independent variable?

• The factor in an experiment that stays the same.

• The variable that changes in an experiment.

• The factor in an experiment that may change in response to a variable.

• This has nothing to do with an experiment.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS2-2

What is an outcome variable also known as Dependent variable?

• The factor in an experiment that stays the same.

• The variable that changes in an experiment

• The factor in an experiment that may change in response to a variable.

• This has nothing to do with an experiment

What is a control group?

• The factor in an experiment that stays the same.

• The variable that changes in an experiment

• The factor in an experiment that may change in response to a variable.

• This has nothing to do with an experiment.

Susie is baking a cake. She wants to know if the amount of flour used in the recipe will affect how high the cake rises. What is the outcome variable in this scenario?

• The amount of flour used in the recipe.

• The height of the cake.

Why is it important to control variables in an experiment?

• Because is the easiest way to complete an experiment.

• Because the only factor affecting the outcome is the variable being tested.

• To make your results to match your prediction.

• To simplify your life.

Tags

NGSS.MS-PS3-4

Arrange the following steps of the scientific method in the correct order:

Make a Conclusion, Collect Data, Make observations, Create and conduct an Experiment, Formulate a Hypothesis, Analyze the results.

(a)