Free Printable Variables and Qualitative/Quantitative Observations

1.

During an experiment, scientists control conditions to avoid error. In a controlled experiment, which of the following factors remain the SAME throughout the experiment?

a)

controlled variable

b)

independent variable

c)

dependent variable

d)

control group

2.

In 8th grade, an experiment was completed to see if the amount of salt in soil would affect the growth of plants. Students planted 1 lima bean in each cup. Each seed received the same amount of soil, water and sunlight. The first cup has no salt in the soil. The second cut has ¼ teaspoon of salt and the last cup had ½ teaspoon of salt. The student measured the plant’s growth for 3 weeks. What is the INDEPENDENT variable?

a)

growth of plant

b)

amount of salt

c)

amount of soil

d)

amount of sunlight

3.

In 8th grade, an experiment was completed to see if the amount of salt in soil would affect the growth of plants. Students planted 1 lima bean in each cup. Each seed received the same amount of soil, water and sunlight. The first cup has no salt in the soil. The second cut has ¼ teaspoon of salt and the last cup had ½ teaspoon of salt. The student measured the plant’s growth for 3 weeks. What is the DEPENDENT variable?

a)

growth of plant

b)

amount of salt

c)

amount of soil

d)

amount of sunlight

4.

Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the INDEPENDENT variable.

a)

distance traveled by the ball

b)

height of the ramp

c)

mass of the ball

d)

weight of the ball

5.

Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the INDEPENDENT variable

a)

Type of fertilizer

b)

Size of sunflower

c)

type of sun flower

6.

Steve wanted to see if the type of fertilizer made sunflowers grow bigger. What is the DEPENDENT variable?

a)

Type of fertilizer

b)

Size of sunflower

c)

Type of sunflower

7.

On a graph, which axis shows the DEPENDENT variable?

a)

x-axis

b)

y-axis

c)

neither

d)

it changes

8.

On a graph, which axis shows the INDEPENDENT variable?

a)

x-axis

b)

y-axis

c)

neither

d)

it changes

9.

Which of the following is the label for the INDEPENDENT variable.

a)

Money Collected

b)

Raising Money

c)

Boxes Sold

d)

None of the above

10.

Identify the CORRECT statement.

a)

the independent variable is distance

b)

the independent variable is d=25 t

c)

the dependent variable is time

d)

the dependent variable is distance

11.

The variable that is MEASURED. It is the RESULT of the experiment.

a)

Controlled Variable

b)

Dependent Variable

c)

Independent Variable

12.

The one factor that a scientist CHANGES during an experiment. (It affects the results of the experiment).

a)

Controlled Variable

b)

Dependent Variable

c)

Independent Variable

13.

Which statement is CORRECT?

a)

The dependent variable is total cost

b)

The dependent variable is weight

c)

The independent variable is total cost

d)

The independent variable is cost of a package

14.

The INDEPENDENT variable is the ONE thing you _____ to test your hypothesis.

a)

change

b)

keep the same

c)

experiment with

d)

investigate

15.

Catherine is testing which soil will help grass grow the tallest. The height of the grown grass is the __ variable.

a)

constant (stays the same)

b)

independent (it's what you change)

c)

dependent (it's what you measure)

16.

What would the INDEPENDENT variable be in an experiment testing which paper airplane design goes furthest?

a)

the paper used

b)

the paper airplane design

c)

the distance of each plane's flight

d)

how hard the plane is thrown

17.

The things that are kept the same to ensure the results are due to the experiment is called..

a)

Controlled Variable

b)

Dependent Variable

c)

Independent Variable

18.

Sadie is testing how the age of a seed affects how fast plants grow. Look at the picture to determine what makes this experiment NOT fair or unequal.

a)

She used different types of seeds/plants.

b)

The plants are in different colored pots.

c)

She did not plant very many plants.

d)

Seed age might not make a difference.

19.

Identify the DEPENDENT variable:

A mouse is given a drug and then runs a maze. The time it takes to complete the maze is compared to the time it took for it to complete the maze without the drug.

a)

The drug it received.

b)

The time it took to complete the maze.

c)

The maze shape.

20.

You place two fish in different sized tanks, after a month, you measure the length of the fish. What is the DEPENDENT variable?

a)

Length of the fish.

b)

A month.

c)

The size of the tanks.

21.

What step does every scientific experiment begin with?

a)

hypothesis

b)

question/problem

c)

background research

d)

conclusion

22.

Another word for prediction or educated guess is: ________________

a)

hypothesis

b)

conclusion

c)

experiment

d)

data

23.

In a well designed experiment, you should change how many variables?

a)

only one

b)

no more than two

c)

none at all

d)

as many as are needed

24.

Which of the following best describes a control variable?

a)

A variable that is kept constant to not influence the outcome of the experiment.

b)

The outcome that the experiment aims to measure.

c)

A variable that is intentionally changed to test a hypothesis.

d)

The group in the experiment that does not receive the treatment.

25.

What is the meaning of the word CONSTANT VARIABLE?

a)

Variables that remain constant

b)

A variable that is changed in an investigation.

c)

A variable that is observed in an investigation.

26.

These are the variables that should stay the same. They do not get any changes in order to make for a fair test.

a)

Responding Variables

b)

Constant variables

c)

Manipulated Variables

27.

A bug repellent was sprayed on one arm. On the other arm, the bug repellent was not sprayed. After 2 hours, the number of bug bites are recorded. What is the dependent variable?

a)

The type of bug repellent

b)

If an arm was sprayed with bug repellent or not

c)

The number of bug bites

28.

Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.

What is the independent variable?

a)

Dropping the same way

b)

Wing Length

c)

Amount of time it takes the helicopter to hit the floor

d)

Dropping from the same height

29.

Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.

What is the dependent variable?

a)

Dropping the same way

b)

Wing Length

c)

Amount of time it takes the helicopter to hit the floor

d)

Dropping from the same height

30.

Javier and his twin sister both have the same science exam. Javier sleeps for 9 hours the night before the exam and his sister sleeps for 6 hours. After they take the test, they both compare their test grades. What is the dependent variable?

a)

The test grades

b)

The number of hours of sleep they had

c)

The type of test

31.

Javier and his twin sister both have the same science exam. Javier sleeps for 9 hours the night before the exam and his sister sleeps for 6 hours. After they take the test, they both compare their test grades. What is the independent variable?

a)

The number of hours of sleep they had

b)

The type of test

c)

The test grades

32.

This variable in an experiment is the one being deliberately changed by the scientist.

a)

dependent variable

b)

independent variable

c)

data

d)

control group

33.

A(n) _____________ variable depends on or is changed by another variable.

a)

dependent

b)

independent

34.

The factors that stay the same throughout the experiment.

a)

Controlled Variable

b)

Dependent Variable

c)

Independent Variable

35.

QUALITATIVE OR QUANTITATIVE OBSERVATION

The cup had a mass of four hundred fifty-four grams.

a)

QUALITATIVE OBSERVATION

b)

QUANTITATIVE OBSERVATION

36.

QUALITATIVE OR QUANTITATIVE OBSERVATION

The temperature outside is two hundred fifty-two degree celcius.

a)

QUALITATIVE OBSERVATION

b)

QUANTITATIVE OBSERVATION

37.

QUALITATIVE OR QUANTITATIVE OBSERVATION

It is warm outside.

a)

QUALITATIVE OBSERVATION

b)

QUANTITATIVE OBSERVATION

38.

QUALITATIVE OR QUANTITATIVE OBSERVATION

The tree is thirty feet tall.

a)

QUALITATIVE OBSERVATION

b)

QUANTITATIVE OBSERVATION

39.

QUALITATIVE OR QUANTITATIVE OBSERVATION

The building has twenty-five stories.

a)

QUALITATIVE OBSERVATION

b)

QUANTITATIVE OBSERVATION

40.

QUALITATIVE OR QUANTITATIVE OBSERVATION

The building is taller than the tree.

a)

QUALITATIVE OBSERVATION

b)

QUANTITATIVE OBSERVATION

41.

QUALITATIVE OR QUANTITATIVE OBSERVATION

The sidewalk is long.

a)

QUALITATIVE OBSERVATION

b)

QUANTITATIVE OBSERVATION

42.

QUALITATIVE OR QUANTITATIVE OBSERVATION

The sidewalk is 100 meters long.

a)

QUALITATIVE OBSERVATION

b)

QUANTITATIVE OBSERVATION

43.

QUALITATIVE OR QUANTITATIVE OBSERVATION

The race was over quickly.

a)

QUALITATIVE OBSERVATION

b)

QUANTITATIVE OBSERVATION

44.

QUALITATIVE OR QUANTITATIVE OBSERVATION

The race was over in ten minutes.

a)

QUALITATIVE OBSERVATION

b)

QUANTITATIVE OBSERVATION

45.

What does the "D" stand for in DRY MIX?

a)

Dependent Variable

b)

Double Variable

c)

Decision Making

d)

Data Collection

46.

What does the "M" stand for in DRY MIX?

a)

Measurment Variable

b)

Manipulated Variable

c)

Mathematical Variable

d)

Measurement Collection

47.

What does the "R" stand for in DRY MIX?

a)

Responding Variable

b)

Representative Variable

c)

Reliable Variable

d)

Rotating Variable

48.

What does the "Y" stand for in DRY MIX?

a)

Y-Axis

b)

Y-Variable

c)

Y-slope

d)

Y-intercept

49.

What does the "I" stand for in DRY MIX?

a)

Independent Variable

b)

Interception Variable

c)

Integral Variable

d)

Integer Variable

50.

What does the "X" stand for in DRY MIX?

a)

X-Axis

b)

X-Variable

c)

X-slope

d)

X-intercept

Variables and Qualitative/Quantitative Observations

Total questions: 50

Worksheet time: 53mins

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