Scientific Variables

In this same experiment of Steve finding out which type of fertilizer would make his sunflowers grow larger, what would be the dependent variable?

• Type of fertilizer

• Size of sunflower

• Type of sunflower

Tags

NGSS.MS-LS1-5

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 and gatorade. Each plant has the same amount of sunlight, soil and listens to the same music. What is the independent variable?

• the type of plant

• the type of liquid

• the type of music

• the amount of liquid

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

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 and gatorade. Each plant has the same amount of sunlight, soil and listens to the same music. What is the control?

• The size of the plant.

• The type of liquid.

• There are no controls.

• Amount of sunlight, soil and music.

Does study time affect the student's score on an test?

Use the table to answer questions 11 and 12.

Suppose you collected this data from students in your school. What is the independent variable in the study?

• The Students

• The Study Time

• The Grade on the Quiz

What part of the experiment changes as a result of the independent variable? (AKA your dependent variable)

• The students

• The study time

• The grade on the quiz

True or False: a test may have more than one independent variable

• true

• false

Tags

NGSS.MS-PS2-2

True or False: An experiment may have more than one control.

• True

• False

In an experiment, the variable you change is called the...

• independent

• dependent

• control

• spam

Tags

NGSS.MS-PS2-2

In your experiment, the thing you measure is called the...

• independent

• dependent

• control

• ruler

These variables keep the experiment fair by keeping things the same...

• independent

• dependent

• control

• the law