Science Variables Practice

What are all the things that are kept the same in an experiment?

• controls

• data

• constants

• independent variables

Which one is a good hypothesis?

• If we add more soap to the mixture, then the mixture will bubble over because bubbles are created from a soap-to-water ratio

• We'll add more soap to the mixture, then it will bubble over.

• If we add more soap to the mixture, then the mixture will bubble over.

Tags

NGSS.MS-LS1-5

Which type of sugar dissolves the fastest? Which is the independent variable?

• The temperature of the water

• The amount of water

• The type of sugar

• The type of cup you use

How does increasing the slope of a ramp affect how far a marble travels?

• independent

• dependent

Mrs. Mihay wants to see if studying time affects test scores...She gives all 6 classes the same assignment but assigns different study times. What is the control variable?

• Study Times

• Test Scores

• Same Assignment

The factor in an experiment that will be changed. 

• dependent variable

• independent variable

• controlled variable

• inferences 

Tags

NGSS.MS-PS2-2

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?

• Dependent

• Independent

• Control

• Compound

A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.

• Diameter of the ball

• Force acting on the ball

• Height that the ball bounces

• Height from which the ball is dropped

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?

• Type of plant

• Water, apple juice, milk

• Plant growth

• Color of the plant's leaves

Tags

NGSS.MS-LS1-5

What would the INDEPENDENT variable be in an experiment testing which type of paper airplane goes farthest?

• the type of paper

• the distance of each plane's flight

• how hard the plane is thrown

• the person who made the paper plane

Tags

NGSS.MS-PS2-2