Independent Variable

Mrs. Shriner wanted to know which brand of pencils sharpened the quickest. What is the IV?

• color of pencil

• brand of pencil

• how quick it sharpened

• Sound sharpener made

Ms. O'Brien wanted to see which brand of cola exploded the highest when she put a Mento in the bottle. What is the IV?

• Ms. O'Brien

• mento

• height of spray

• types of colas

Mr. Crump decided to drive across the country. He wanted to see which type of car got the best gas mileage. What is the IV?

• Mr. Crump

• color of car

• type of car

• gas mileage

Ms. Deegan wanted to feed her sweet dogs some food. She was super excited to go the store and purchase 4 brands of dog food. Ms. Deegan put them on the floor to see which brand they went to first. What is the IV?

• Ms. Deegan

• dogs

• brand of dog food

• time it took the dogs to begin eating their food

Mrs. Burns went to the library to check out some books. While she was there she wanted to test and see each type of medium students would prefer reading from. She had hardback, softback, audio and videos for the kids to all pick up. The stories were the same no matter what medium she used. What is the IV?

• Mrs. Burns

• medium of books

• which type students preferred

• most kids like videos

Ms. Schooley was doing an experiment in math class to determine which type of triangle you need to build the strongest bridge. What is the IV?

• type of triangle

• Ms. Schholey

• strength of the bridge

• number of triangles you use

In an experiment to test how the amount of sunlight affects the growth of radishes. What is the IV?

• amount of sunlight

• how fast radishes grow

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

In an experiment to test the effect of eating sugar on weight loss. What is the IV?

• amount of sugar

• weight loss

In an experiment to test the effect of amount of sleep on student test scores. What is the IV?

• amount of sleep

• test scores

The amount of bug spray on the number of bugs that get into your house. What is the IV?

• amount of bugs in the garden

• amount of bug spray

• number of bugs that get in your house

Tags

NGSS.MS-LS2-1