How many independent

variables should be tested in any one experiment?

Which soccer player Which soccer player can kick the ball the can kick the ball the

furthest?furthest?

Independent VariableIndependent Variable

What will be tested? What will be What will be tested? What will be the variable that is different in all the variable that is different in all our groups that we KNOW before our groups that we KNOW before we run our experiment?we run our experiment?

Different Soccer Players

Dependent VariableDependent Variable

What will be measured for DATA? What will be measured for DATA? What is the variable that we do What is the variable that we do NOT know before the experiment?NOT know before the experiment?

Distance the ball travels

Which garbage bag Which garbage bag can hold the most can hold the most

garbage?garbage?

Independent VariableIndependent Variable

What will be tested? What will be What will be tested? What will be the variable that is different in all the variable that is different in all our groups that we KNOW before our groups that we KNOW before we run our experiment?we run our experiment?

Different garbage bags

Dependent VariableDependent Variable

What will be measured for DATA? What will be measured for DATA? What is the variable that we do What is the variable that we do

NOT know before the experiment?NOT know before the experiment?

AMOUNT of garbage

Will the different types of Will the different types of fertilizer have an effect fertilizer have an effect

on how many roses on how many roses each bush will have?each bush will have?

Independent VariableIndependent Variable

What will be tested? What will be What will be tested? What will be the variable that is different in all the variable that is different in all our groups that we KNOW before our groups that we KNOW before we run our experiment?we run our experiment?

Different fertilizers

The number of roses on the bushes

Dependent VariableDependent Variable

What will be measured for DATA? What will be measured for DATA? What is the variable that we do What is the variable that we do

NOT know before the experiment?NOT know before the experiment?

Which baseball player Which baseball player will hit the most will hit the most homeruns this homeruns this

season?season?

Independent VariableIndependent Variable

What will be tested? What will be What will be tested? What will be the variable that is different in all the variable that is different in all our groups that we KNOW before our groups that we KNOW before we run our experiment?we run our experiment?

Different baseball players

Dependent VariableDependent Variable

What will be measured for DATA? What will be measured for DATA? What is the variable that we do What is the variable that we do NOT know before the experiment?NOT know before the experiment?

The NUMBER of

homeruns

Will the soup taste Will the soup taste better with kosher better with kosher salt, iodized salt or salt, iodized salt or

sea salt?sea salt?

Independent VariableIndependent Variable

What will be tested? What will be What will be tested? What will be the variable that is different in all the variable that is different in all our groups that we KNOW before our groups that we KNOW before

we run our experiment?we run our experiment?

Different types of salt

Dependent VariableDependent Variable

What will be measured for DATA? What will be measured for DATA? What is the variable that we do What is the variable that we do

NOT know before the experiment?NOT know before the experiment?

How the soup tastesYUM

Which color attracts Which color attracts the most bees?the most bees?

Independent VariableIndependent Variable

What will be tested? What will be the What will be tested? What will be the variable that is different in all our variable that is different in all our

groups that we KNOW before we run groups that we KNOW before we run our experiment?our experiment?

Dependent VariableDependent Variable

What will be measured for DATA? What will be measured for DATA? What is the variable that we do What is the variable that we do

NOT know before the experiment?NOT know before the experiment?

Number of bees