Find the IV
Trees are watered different amounts to see how it affects their growth
What is the amount of water?
You change the amount of sunlight on plants to see what light intensity is best for plant growth.
What is plant growth?
To test a new medication, one group is given a sugar pill and the other is given the new medication.
What is the sugar pill group?
You're tasked with testing a new fertilizer, so you treat some plants with it and leave others without fertilizer.
This is the study of nature.
What is science?
Students study different amounts to see if it affects their grade
What is the time spent studying?
Aleve is tested for its effect on pain levels.
What is how much pain you're in?
One group of plants is given fertilizer and the other isn't.
What is the group with no fertilizer?
You want to see if a new brand of orange juice tastes better, so you try it back-to-back with your usual orange juice
What is the new brand of orange juice?
This is the variable that is measured to see if our change had an effect.
What is the dependent variable?
Brand of popcorn
You want to know if completing homework makes your grade in class go up
What is your grade?
You try putting a loaf of bread in the fridge to see if it keeps it from molding as fast as it does on the counter.
What is the counter bread?
Redi places meat in an open jar and in a covered jar to see where maggots appear.
What is the uncovered jar?
This is the variable that is changed by the experimenter.
What is the independent variable?
You want to see how algae growth is different under different temperatures of ocean water.
Temperature of the water
You are interested in how stress affects heart rate in humans.
To see if an insecticide works, a farmer treats half of a field with insecticide.
What is the half without insecticide?
You want to see if eating breakfast makes you have a better day.
What are the days you eat breakfast?
This is the group in an experiment that receives some treatment.
What is the experimental group?
A scientist is testing the effect of light and dark on the behavior of moths by turning a light on and off.
What is the amount of light?
An experiment is designed to test the effect of temperature on plant pigmentation.
What is the amount of pigment present in a plant?
I try making my super delicious cookies with a gluten free flour blend since my wife lives a sad, gluten free life now.
What is your old cookie recipe with real flour?
Micah wants to see if slowing down helps him walk better than trying to outrun his fall.
What is walking slowly?
This is the group that does not get treatment so we have something to compare the treated group to.
What is the control group?