Identifying Variables Practice

Match

Match the following.

• experiment

• independent variable

• dependent variable

• controls

A scientific procedure carried out to test a hypothesis.

The part of the experiment that is manipulated or changed in order to test the hypothesis.

The part of the experiment that changes in a measurable way in response to what is being tested.

The parts of the experiment that stay the same to make it valid.

• A scientific procedure carried out to test a hypothesis.

• The part of the experiment that is manipulated or changed in order to test the hypothesis.

• The part of the experiment that changes in a measurable way in response to what is being tested.

• The parts of the experiment that stay the same to make it valid.

Match

How does the amount of acid in the water affect the length of the lives of the fish in the water?

• Dependent Variable

• Independent Variable

• Control

length of lives

amount of acid

water temperature

• length of lives

• amount of acid

• water temperature

Match

How does the amount of baking soda used affect the size of the cookie

baked?

• Dependent Variable

• Controlled Variable

• Independent Variable

Size of cookies

oven temperature

amount of baking soda

• Size of cookies

• oven temperature

• amount of baking soda

Match

Does the shape of a skateboard affect how fast it will travel?Match the following

• Control Variable

• Independent Variable

• dependent variable

the surface the skateboard is on

shape of skateboard

how fast it goes

• the surface the skateboard is on

• shape of skateboard

• how fast it goes

Match

How does the size of a bicycle tire affect the distance it will travel when it is

pedaled in a certain number of times?

• Dependent Variable

• Independent Variable

• Control

distance traveled

size of bike tires

The type of road.

• distance traveled

• size of bike tires

• The type of road.

Match

How does the amount of water affect the height a sunflower grows?

• Independent Variable

• Dependent Variable

• Control

Amount of water given to each plant.

Height the sunflower grows.

The type of water given to each plant.

• Amount of water given to each plant.

• Height the sunflower grows.

• The type of water given to each plant.

Match

How does the mass of a paper airplane affect how far it will fly?

• control

• independent variable

• dependent variable

Design of plane

mass of the airplane

how far it will fly

• Design of plane

• mass of the airplane

• how far it will fly

Match

How does the amount of fertilizer affect how many potatoes a plant produces?

• control

• dependent variable

• independent variable

type of soil

how many potatoes

amount of fertilizer

• type of soil

• how many potatoes

• amount of fertilizer

Match

Does the amount of salt in the water affect how fast it boils?

• independent variable

• dependent variable

• control

amount of salt

how fast it boils

amount of water

• amount of salt

• how fast it boils

• amount of water

Match

Does the color of the birdseed affect how much the birds will eat?

• independent variable

• dependent variable

• control

color of birdseed

how much birds will eat

location of birdseed

• color of birdseed

• how much birds will eat

• location of birdseed

Match

Does the size of a bouncy ball affect how high it bounces?

• independent variable

• dependent variable

• control

size of bouncy ball

how high it bounces

surface it's bounced on

• size of bouncy ball

• how high it bounces

• surface it's bounced on