Variables & Vocab Practice

You want to measure the effect of different amounts of oxygen on the rate of yeast growth. Match the variables.

• Independent Variable

• amount of yeast

• Dependent Variable

• amount of oxygen

• Constant

• rate of yeast growth

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

A soap manufacturer wants to prove that their detergent works better to remove tough stains. Match the variables.

• Dependent Variable

• removal of stains

• Constant

• washing machine

• Independent Variable

• detergent

Tags

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

You want to test a new drug that supposedly prevents sneezing in people allergic to grass. Match the variables.

• Independent Variable

• sneezing

• Constant

• grass

• Dependent Variable

• drug

You want to see if playing music makes plants grow taller. What is the independent variable in this experiment?

• Dependent Variable

• height of plant

• Independent Variable

• music being played

• Constant

• Amount of Water

An entomologist (bug scientist) wants to determine if temperature changes how many times a cricket chirps. What is the dependent variable?

• Dependent Variable

• temperature

• Independent Variable

• time of year

• Constant

• number of times a cricket chirps

A florist wants to see if Product X will extend the life of cut flowers so that they last longer. What is the independent variable?

• Dependent Variable

• the life of cut flowers

• Independent Variable

• the type of flower used

• Constant

• adding Product X

How does the temperature a cake is baked at affect the time it takes to finish baking? Match the variables.

• Independent Variable

• time taken for baking

• Controlled Variable

• oven temperature setting

• Dependent Variable

• type of cake

How does the depth of a pond affect the temperature of the water? Match the variables.

• Independent Variable

• Depth of the pond

• Constant

• Temperature of the water

• Dependent Variable

• Type of thermometer

How does a person's running speed affect the time it takes to run a mile? Match the variables.

• Constant Variable

• Person running

• Independent Variable

• Time to run a mile

• Dependent Variable

• Running speed

How does the number of days exercising affect the amount of weight lost? Match the variables.

• Dependent Variable

• Number of days exercising

• Independent Variable

• Type of exercise

• Constant

• Amount of weight lost