Variables and Controls Practice

Study: lack of sleep can make you gain weight!

Independent variableDependent variable

Tomato plants grown with music have more tomatoes.

Independent variableDependent variable

Fish oil in your diet will improve your memory.

Independent variableDependent variable

Trout grown in cold water weigh more than trout grown in warm water.

Independent variableDependent variable

Walking 10,000 steps a day will lower blood pressure.

Independent variableDependent variableExperimental groupOne possible control group

Hamsters raised on a taco diet have less heart disease than hamsters raised on Purina Hamster Chow. Independent variableDependent variableExperimental groupControl group

Eating lots of fruits and vegetables will make you a faster runner. Independent variableDependent variableExperimental groupOne possible control group

Exercise cuts the risk of catching colds.

Independent variableDependent variableExperimental groupOne possible control group

People who have used cell phones for at least 10 years may have an increased rate of developing a rare brain tumor. Independent variableDependent variableExperimental groupOne possible control group