Understanding Variables

Multiple Choice

Why do you think it is important to identify variables in scientific experiments?

• To make experiments more fun

• To ensure accurate and reliable results

• To confuse the experimenter

• To use more materials

Draw

Circle the variable you see in the image.

Draw

Circle all the variables you see in the image.

Multiple Choice

Which of the following best describes an independent variable in a scientific experiment?

• The variable that is measured

• The variable that is kept the same

• The variable that the scientist changes

• The variable that is ignored

Draw

Use RED to show the independent variable.

Use BLUE to show the dependent variable.

Use GREEN to show the controlled variable (s).

Categorize

Options (4)

type of bubble solution

size (diameter) of bubble

amount of water in solution

amount of soap in solution

Read the scenario and organize these options into the correct categories to identify the variables.

Independent Variable

Dependent Variable

Controlled Variable

Categorize

Options (4)

type of food

time to finish maze

type of maze

time frame (1 week between swims)

Read the scenario and identify the variables.

Independent Variable

Dependent Variable

Controlled Variable

Categorize

Options (5)

type of lotion

size of muscles

type of weight training

location lotion used

time & length of training

Read the scenario and identify the variables.

Independent Variable

Dependent Variable

Controlled Variable

Categorize

Options (4)

type of breath mint

breath freshness

eating a slushy dawg

amount of time (2 hours later)

Read the scenario and identify the variables.

Independent Variable

Dependent Variable

Controlled Variable