Austin wants to test how the amount of sugar in one brand of cereal affects the behavior of young children that eat that brand of cereal for breakfast.

Carmen designs an experiment to determine how surface type affects how far a ball will roll across a variety of surfaces. What is the dependent variable?

A scientist places corn plants at different distances from the light. What would the dependent variable be of the experiment?

A scientist uses 3 different sour candies to record the kids facial expressions. What would the dependent variable be?

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

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

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

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

You think that a certain part of your brain is important in memory. To test this, you will remove this part of the brain from rats and see if they remember how to get through the maze. What is the dependent variable in this experiment?

You want to measure the effect of different amounts of oxygen on the rate of yeast growth. What is the dependent variable?

A soap manufacturer wants to prove that their detergent works better to remove tough stains. What is the dependent variable?

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