Free Printable Control and Variable Review

1.

Nico decided to test goldfish food to see which brand his goldfish preferred. He bought three different brands (Fresh, Sprinkles, and Flakes). Nico decided that all brands needed to be tested by the same goldfish and fed the same amount. Nico measured the amount of fish food that was eaten by his goldfish. The INDEPENDENT variable in Nico's experiment is

a)

amount of fish food eaten

b)

the same goldfish

c)

the brand of fish food

d)

none of these are an INDEPENDENT variable

2.

Nico decided to test goldfish food to see which brand his goldfish preferred. He bought three different brands (Fresh, Sprinkles, and Flakes). Nico decided that all brands needed to be tested by the same goldfish and fed the same amount. Nico measured the amount of fish food that was eaten by his goldfish. The DEPENDENT variable in Nico's experiment is

a)

the amount of fish food eaten

b)

the same goldfish

c)

the brand of fish food

d)

none of these are an DEPENDENT variable

3.

What would the INDEPENDENT variable be in this experiment testing paper vs. construction paper: Does the type of paper an airplane is made of affect how far the airplane will fly?

a)

the type of paper used

b)

the model of paper airplane

c)

the distance of each plane's flight

d)

how hard the plane is thrown

4.

Ms. Smith set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?

a)

Distance traveled by the ball

b)

Height of the ramp

c)

Mass of the ball

d)

Where the experiment took place.

5.

This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted.

a)

experimental group

b)

control group

c)

data

d)

variables

6.

Which of the following is an example of quantitative data?

a)

The color of your car

b)

A person's state of residence

c)

A person's Zip Code

d)

A Person's Height

7.

There are 25 Liters of water in the buckets.

a)

quantitative

b)

qualitative

8.

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?

a)

Dependent

b)

Independent

c)

Control

9.

A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.

a)

Diameter of the ball

b)

Force acting on the ball

c)

Height that the ball bounces

d)

Height from which the ball is dropped

10.

A custodian notices some dirty tables and wants to know what's the best cleaner. He uses a new spray cleaner to remove the green slime left by students on half of his tables and water on half of his tables. Identify the independent variable.

a)

type of cleaner

b)

the new cleaner

c)

the green slime

d)

the effect of the cleaner

Control and Variable Review

Total questions: 10

Worksheet time: 10mins

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