Scientific Method and Variables Retake Review

You are driving a car to go on vacation. You drive for 3 hours and traveled 150 miles. What is the DEPENDENT variable?

After analyzing the data, Jessica determined that getting more sleep at night helps her focus more during the day.

Will drops a dirty penny into water & another in vinegar to see which penny cleans faster. What would be the cv?

John pours caffeine to one set of plants and grows another set of plants without caffeine. He measures their growth.

Todd went to the school library to research information on what causes air pollution the most.

Leslie puts two packs of splenda sugar in two different sizes of coffee to compare the taste. What is the cv?

Sheila measures the size of two bunnies' growth with rabbit food & fresh vegetables respectively. What would be the cv?

Paul wants to compare softsoap & dawn soap when washing his hands in his kitchen sink. What is the controlled variable?

An experiment with a group of 12 yr old students is done to study how they focus with/without cellphones. What is the cv

You are driving a car to go on vacation. You drive for 3 hours and traveled 150 miles. What is the CONTROLLED variable?

Stanley wants to know if Peanuts are giving him an allergic reaction.

What is the variable that is KEPT THE SAME throughout the experiment?

Cameron believes that if she completes her homework on Friday night then she will have more free time during the weekend

What is the variable that is responding (the outcome)?

You are driving a car to go on vacation. You drive for 3 hours and traveled 150 miles. What is the INDEPENDENT variable?

Sal wants to compare different brands one at a time of dog food for his dog to eat. What is the controlled variable?

John compares different batteries for his clock to see which batteries last longer. What is the controlled variable?

What is the variable that changes or is being Manipulated?