Getting to Know Your Variables (Again!)

Last updated about 2 years ago

9 questions

Getting to Know Your Variables (Again!)

Last updated about 2 years ago

9 questions

For each experimental question, identify the independent variable (IV), dependent variable (DV), constants and the control.

For Each, Ask Yourself:
What am I changing on purpose so that I can answer my question? -- this is your Independent Variable.
What is being measured? What data (numbers) are being collected? --this is your Dependent Variable.
What is staying the same in all of the exeriments? -- these are your Constants.
What is your zero IV level? What is your normal group that does not recieve any testing.---This is your Control

Does the brand of allergy medication affect the number of times a person sneezes?

The number of sneezes
The time of day medicine is taken
No allergy medicine

Does the amount of soil a plant is placed in affect how tall it grows?

type of plant
Amount of soil
No soil

Which type of sunscreen prevents burns for the longest amount of time?

amount of sunscreen used
skin tone of persons being tested
No sunscreen

What paper towel brand absorbs the most water?

Size of paper towel
Temperature of water
Amount of water absorbed (mL)

Sam wants to figure out which pan cooks eggs the fastest: bronze, copper or steel.

Size of pans
Size of eggs
Temperature stove burner is set on.

Ashton wants to see which fast food restaurant has french fries that will take the longest to grow mold.

French fries are on the same table
Fries from different restraurants
Handle french fries with gloved hands

Which brand of dish soap makes the most amount of suds?

Amount of water
None (need suds to make bubbles)
Brand of dish soap.

What type of physical activity gives you the highest heart rate?

Outside temperature
Time spent on activity
Person doing the activity

What type of detergent gets out grass stains the best?

Same wash cycle
Size of original stain
Area of stain removed (cm^2)