Dependent and Independent Variables

Quiz by Rizzotti, Christopher

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### Measures 2 skills fromGrade 7ScienceFlorida Standards

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- Q1
A study was done to find if different tire treads affect the braking distance of a car.

Identify the Independent Variable

braking distance

different tire treads

30sSC.7.N.1.4EditDelete - Q2
The time it takes to run a mile depends on the person’s running speed.

Identify the Dependent Variable

running speed

time it takes to run a mile

30sSC.7.N.1.4EditDelete - Q3
The height of bean plants depends on the amount of water they receive.

Identify the Dependent Variable

height of bean plants

amount of water

30sSC.7.N.1.4EditDelete - Q4
The higher the temperature of the air in the oven, the faster a cake will bake.

Identify the Independent Variable

higher temperature

faster it will bake

temperature of the air

30sSC.7.N.1.4EditDelete - Q5
The amount of pollution produced by cars was measured for cars using gasoline containing different amounts of lead.

Identify the Independent Variable

pollution produced by cars

gasoline containing different amounts of lead

amount of pollution

30sSC.7.N.1.4EditDelete - Q6
A student wanted to test how the mass of a paper airplane affected the distance it would fly. Paper clips were added before each test flight. As each paper clip was added, the plane was tested to determine how far it would fly.

Identify the Dependent Variable

distance the plane would fly

mass of paper plane

amount of paper clips

30sSC.7.N.1.4EditDelete - Q7
An experiment was performed to determine how the amount of coffee grounds could affect the taste of coffee. The same kind of coffee, the same percolator, the same amount and type of water, the same perking time, and the same electrical sources were used.

Identify the Independent Variable

taste of coffee

amount of coffee grounds

perking time

amount and type of water

30sSC.7.N.1.4EditDelete - Q8
The boss thinks that a special juice will increase the productivity of workers. He creates two groups of 50 workers each and assigns each group the same task (in this case, they're supposed to staple a set of papers). Group A is given the special juice to drink while they work. Group B is not given the special juice. After an hour, the boss counts how many stacks of papers each group has made. Group A made 1,587 stacks, Group B made 2,113 stacks.

Identify the Dependent Variable

stacks of paper

special juice

30sSC.7.N.1.4EditDelete - Q9
The boss thinks that a special juice will increase the productivity of workers. He creates two groups of 50 workers each and assigns each group the same task (in this case, they're supposed to staple a set of papers). Group A is given the special juice to drink while they work. Group B is not given the special juice. After an hour, the boss counts how many stacks of papers each group has made. Group A made 1,587 stacks, Group B made 2,113 stacks.

Identify the Independent Variable

stacks of paper

special juice

30sSC.7.N.1.4EditDelete - Q10
The boss thinks that a special juice will increase the productivity of workers. He creates two groups of 50 workers each and assigns each group the same task (in this case, they're supposed to staple a set of papers). Group A is given the special juice to drink while they work. Group B is not given the special juice. After an hour, the boss counts how many stacks of papers each group has made. Group A made 1,587 stacks, Group B made 2,113 stacks.

Identify the Control Variable

Group A

Group B

stacks of paper

30sSC.7.N.1.3EditDelete