Independent and Dependent Variables

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

Research Question: Does the type of gasoline put in a car affect how fast the car can drive?

What is the independent variable?

• Type of gasoline

• which car the gas is put into

• how fast the car can drive

• how much gas is put into the car

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.

Tags

CCSS.6.EE.C.9

The independent variable is the ONE thing you _____.

• change
• keep the same
• experiment with
• investigate

Tags

CCSS.6.EE.C.9

 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

Tags

NGSS.3-5-ETS1-3

Research Question: 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

Research Question: How much food does a goldfish need to grow?

Which is the dependent variable?

• The type of fish

• How much food you give the fish

• How quickly they grow

• The amount of water in the tank

Which type of apple has the most water in it?

Which is the dependent variable?

• The size of the apple

• The age of the apple

• The amount of water

• The type of apple

Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the independent variable 

• Type of fertilizer
• Size of sunflower
• type of sun flower