Variables

Front

This variable is the one thing that changed on purpose...

Back

Independent Variable

Front

What is the DEPENDENT variable (effect) in this experiment? "Does eating breakfast improve test scores?"

Back

the grade you got on the test

Front

What is the INDEPENDENT VARIABLE in an experiment testing how the amount you water a plant affects its growth?

Back

The amount you water each plant.

Front

What is the independent variable in Mr. Pransky's experiment on how different surfaces affect the bounce height of a tennis ball?

Back

the different surfaces

Front

What is the independent variable in the hypothesis: "If salt is added to water then the boiling point of water will decrease (go down)."?

Back

Whether salt is added or not

Front

What is the dependent variable when testing the time it takes for objects of different sizes to reach the ground after being dropped from 30 feet?

Back

The time it takes for each object to hit the ground.

Front

Why do we use graphs in science?

Back

All of these are correct: to record and display data, to show trends in data, to predict what will happen if we extend the experiment.

Front

What is the manipulated variable?

Back

what we are changing or testing

Front

What is the responding variable?

Back

what we are observing or measuring

Front

What are the constant variables?

Back

what we keep the same to make the experiment fair