What is the DEPENDENT variable (effect) is this experiment? "Does eating breakfast improve test score?"
eating breakfast or not
the grade you got on the test
what time you get up in the morning
how tasty the breakfast is
2. Multiple Choice
1 minute
1 pt
What is the INDEPENDENT variable (cause) is this experiment? "Which type of medium is best for plant growth?"
height of plant (cm)
type of medium (soil vs. sand)
amount of medium
types of plant
3. Multiple Choice
1 minute
1 pt
What is the DEPENDENT variable (effect) in this experiment? "Do tall people jump further than short people?"
height of the person
weight of the person
how fast the person runs
how far the person jumps
4. Multiple Choice
1 minute
1 pt
What is the INDEPENDENT variable (cause)in this experiment? "Which type of metal, copper or aluminum, conducts heat faster?"
size of metal
types of metal
time it takes to heat up
shape of the metal
5. Multiple Choice
1 minute
1 pt
Bonnie wants to test whether adding Bio-fertilizer 'x' will help plant grow. What is the "controlled group" in this experiment?
plant sprayed with Bio-fertilizer 'x'
plant without the Bio-fertilizer 'x'
6. Multiple Choice
1 minute
1 pt
Which variable is NOT a constant in this experiment? "Is Bounty paper towel more absorbent than sparkle paper towel?
the size of paper towel
the amount of water for the paper towel to absorb
amount of water the paper towel absorbed
the shape of paper towel
7. Multiple Choice
30 seconds
1 pt
What is the INDEPENDENT variable (cause) in this experiment? "Will fish school more if a predator is present?"
whether there is a predator or not
number of fish school together
type of predator
type of fish
8. Multiple Choice
30 seconds
1 pt
Which variable is NOT a constant in this experiment? "What type of medium do earthworms prefer?"
type of medium
amount of medium
direction of the earthworm
types of earthworm
9. Multiple Choice
30 seconds
1 pt
A test company wants to see whether having a special study program such as SAT prep will help increase test score. What is the "experimental group" in this experiment?
the usual study program
special study program
10. Multiple Choice
30 seconds
1 pt
Janet wants to see whether drinking coffee will improve productivity. What is the INDEPENDENT variable in this experiment (cause)?