Variable Review Question Preview (ID: 43240)


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Identify the independent variable: One tank of goldfish is fed the normal amount of food once a day, a second tank is fed twice a day, and a third tank is fed four times a day during a six week period. The fish's weight is recorded daily.
a) Amount of food
b) Feeding times
c) Weight of fish
d) Type of fish

Identify the dependent variable: Tammy watered one group of sunflowers with a salt water solution and another group of sunflowers with pure water. After 3 weeks she recorded the plants height.
a) Salt water or pure water
b) Growth of the plant
c) Type of plant
d) Sunlight

Identify the independent variable: Students watch a cartoon alone and then with a group. After each time they rate how funny the cartoon was.
a) How funny the cartoon is
b) Watching the cartoon alone or with others
c) The cartoon
d) The people

Identify the control variable: If you eat breakfast in the morning, then you will be more alert at school.
a) Eating breakfast or not
b) Alertness
c) Tuesday
d) Type of breakfast

Identify the independent variable: If people spend more time on social media, then they read less books.
a) Time spent reading
b) People being tested
c) The social media site
d) Time spent on social media

Identify the dependent variable: If you exercise more, then you will loose weight.
a) Exercise equipment
b) The people exercising
c) Weight loss
d) Time spent exercising

Identify the dependent variable: If you drink energy drinks, then you will be more aggressive.
a) Aggressive behavior
b) Drinking energy drinks
c) Type of energy drink
d) The people

Identify the independent variable: If I take an afternoon nap, then I will focus more.
a) Focus ability
b) Nap or no nap
c) Location of the nap
d) Time of day

Identify the control variable: If the air temperature is warmer, then the crickets will chirp louder.
a) Air temperature
b) Volume of chirp
c) Number of crickets
d) Wednesday

Which variable is purposely changed to test the hypothesis?
a) Dependent
b) Independent
c) Control
d) Constant

Which variable is what we want to see happen in the experiment?
a) Independent
b) Control
c) Consant
d) Dependent

Which is the variable that you want to keep the same in the experiment?
a) Independent
b) Dependent
c) Control
d) Special

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