Variables

These are the variables that should stay the same. They do not get any changes in order to make for a fair test.

• Dependent Variables

• Controlled variables

• Independent Variables

How many independent variables are allowed to be changed in an experiment?

• 1

• 2

• as many as you want

• 0

Tags

NGSS.MS-PS2-2

What is the DEPENDENT variable (effect) is this experiment?
"Does eating breakfast improve test score?" 

• eating breakfast or not

• the grade you got on the test

• what time you get up in the morning

• how tasty the breakfast is

What is the INDEPENDENT variable (cause) in this experiment?
"Will fish school more if a predator is present?" 

• whether there is a predator or not

• number of fish school together

• type of predator

• type of fish

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

Tags

NGSS.MS-ETS1-1

Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?

• Distance traveled by the ball

• Height of the ramp

• Mass of the ball

• Where the experiment took place.

Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.

• Distance traveled by the ball

• Height of the ramp

• Mass of the ball

• Who set up the experiment (Ms. S, etc)

Tags

NGSS.MS-PS2-2

The independent variable is the ONE thing you _____

• change

• keep the same

• experiment with

• investigate

Tags

NGSS.MS-PS2-2

In a controlled experiment, the variable that is changed to test the hypothesis is called the –

• Controlled Variable

• Responsive Variable

• Dependent Variable

• Independent Variable

The measurable factor in an experiment is known as the: 

• Control

• Independent Variable

• Constant

• Dependent Variable