Free Printable Experimental Design Review

1.

What is the part of the experiment that is left alone or “natural", and is used to compare back to?

a)

Independent Variable

b)

Dependent Variable

c)

Control Group

d)

Experimental Group

2.

You will want your experiment to have ____ independent variable(s) in it for the experiment to be valid.

a)

1

b)

2

c)

3

d)

4

3.

What is a factor that the experimenter has full control over and changes to see what happens?

a)

Dependent Variable

b)

Independent Variable

c)

Control group

d)

Hypothesis

4.

What is a factor that changes because of what the experimenter does?

a)

Dependent Variable

b)

Independent Variable

c)

Control Group

d)

Hypothesis

5.

Nick wanted to see how high an ice cube would float in different temperatures of water. Identify the DEPENDENT variable
-Amount of water
-Height of Ice cube
-Temperature the ice cube was at its highest height
-Temperature of the water
-Size of the ice cube

a)

Amount of water

b)

Height of Ice cube

c)

Temperature the ice cube was at its highest height

d)

Size of the ice cube

6.

Mario studied how far room temperature water would spurt out of a plastic milk carton when 3mm holes were punched at different heights from the bottom of the container. Identify the DEPENDENT variable
-3mm holes
-Distant water traveled out of carton
-Different heights of the holes in the container
-Ice water from Iceland

a)

3mm holes

b)

Distant water traveled out of carton

c)

Different heights of the holes in the container

d)

Ice water from Iceland

7.

The following statement is a hypothesis formed about marsh grass:
If the amount of nitrogen marsh grass receives is increased, then the height of the grass will increase, because nitrogen is an essential nutrient needed for marsh grass to grow.
What is the independent variable of the statement above?

a)

Height of grass

b)

Amount of nitrogen

c)

Essential nutrient

d)

Amount of growth

8.

What skill is a scientist using when she listens to the sounds that an elephant makes?

a)

drawing conclusions

b)

making observations

c)

interpreting data

d)

making a hypothesis

9.

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is

a)

the male alligators

b)

the incubator

c)

the gender of the alligator

d)

the temperature

10.

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The dependent variable is

a)

the size of the baby alligators

b)

the gender of the baby alligators

c)

the incubator

d)

the temperature

11.

When you decide whether or not the data supports the original hypothesis, you are

a)

drawing conclusions

b)

forming a hypothesis

c)

asking questions

d)

making observations

12.

In this graph, what is the independent variable?

a)

Population

b)

Day

c)

Species 5

13.

In this graph, what is the dependent variable?

a)

Walla Walla Island

b)

Time

c)

Number of Deer

14.

A possible explanation to a problem that has not yet been tested.

a)

data

b)

theory

c)

hypothesis

d)

fact

15.

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

16.

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

17.

What step does every scientific experiment begin with?

a)

hypothesis

b)

question/problem

c)

procedures

d)

conclusion

18.

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

a)

The type of plant

b)

The amount of sunlight

c)

The type of music

d)

The type of liquid

19.

The summary at the end of an experiment that explains the results.

a)

conclusion

b)

procedures

c)

materials

d)

responding variable

20.

Testing a hypothesis often involves a(n):

a)

answer

b)

experiment

c)

problem

d)

safety check

21.

A student wants to test the effects of type of exercise on heart rate. What is the dependent variable?

a)

heart rate

b)

type of exercise

c)

amount of exercise

d)

time of day exercise occurs

22.

On what axis should the independent variable always be?

a)

X

b)

Y

23.

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what are the controlled variables?

a)

Type of plant, amount of music, and sunlight

b)

Water, apple juice, milk

c)

Plant growth

24.

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

a)

The type of plant

b)

The amount of sunlight

c)

The type of music

d)

The type of liquid

25.

Which is NOT a step in the scientific method?

a)

Make observation

b)

Form a theory

c)

Collect data

d)

Form a hypothesis

26.

Squidward found new reeds to tryout for his clarinet. He used an APPLAUSOMETER to measure applause after playing Under the Sea with each reed. The results were put in the table.
What was controlled?

a)

The Song

b)

The Reed

c)

The Applause

27.

Squidward found new reeds to tryout for his clarinet. He used an APPLAUSOMETER to measure applause after playing Under the Sea with each reed. The results were put in the table.
What was the independent variable?

a)

The Song

b)

The Reed

c)

The Applause

28.

Squidward found new reeds to tryout for his clarinet. He used an APPLAUSOMETER to measure applause after playing Under the Sea with each reed. The results were put in the table.
What was the dependent variable?

a)

The Song

b)

The Reed

c)

The Applause

29.

The data collected supports which of the following questions that Squidward could have tested?

a)

Which song does the audience prefer?

b)

Which instrument does the audience like best?

c)

Which reed length creates the best sound?

d)

How do applause affect performance?

30.

A possible explanation to a problem that has not yet been tested.

a)

data

b)

theory

c)

hypothesis

d)

fact

31.

A series of steps used by scientists to solve a problem or answer a question.

a)

scientific method

b)

recipe

c)

data collection

d)

metric system

32.

In a controlled experiment, how many variables can be worked with at a time?

a)

one

b)

none

c)

two or more

d)

how ever many makes sense.

33.

The part of the experiment that remains the same for the control and experimental group.

a)

constants

b)

control

c)

independent

d)

dependent

34.

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

35.

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

a)

height of the ramp

b)

distance traveled by the ball

c)

mass of the ball

d)

weight of the ball

36.

Sarah is participating in a walkathon to raise money for local literacy programs. The amount of money Sarah will raise depends on the distance she walks.
m = the amount of money Sarah will raise
d = the distance Sarah walks
Which of the variables is dependent?

a)

m

b)

d

37.

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

38.

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

d)

Compound

39.

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?

a)

Type of plant

b)

Water, apple juice, milk

c)

Plant growth

d)

Color of the plant's leaves

40.

Which culture of bacteria had the highest frequency of growth? (growing the fastest)

a)

Culture 1

b)

Culture 2

c)

Culture 3

d)

None of the cultures had a frequency of growth

41.

In the Histogram above, rank the frequency of salaries from greatest to least.

a)

32,500, 30,000, 37,500, 35,000

b)

40,000, 37,500, 30,000, 32,500

c)

25,000, 37,500, 30,000, 32,500

d)

40,000, 37,500, 32,500, 30,000

42.

What was the average temperature for this biome during December?

a)

25 Celsius

b)

19 Celsius

c)

23 Celsius

d)

28 Celsius

43.

Describe the trend shown in this graph.

a)

The temperature change is accelerating.

b)

The temperature change is decelerating.

c)

The temperature is constant.

d)

The temperature is decreasing.

44.

A student measured heights of each of 12 classmates. What are the proper labels for the axes of this graph?

a)

x-axis = student and y-axis = height (cm)

b)

x-axis = weight (g) and y-axis = height (cm)

c)

x-axis = age (years) and y-axis = height (cm)

d)

x-axis = height (cm) and y-axis = student

45.

The tallest student wears what size shoe?

a)

11

b)

12.5

c)

13

d)

13.5

46.

Overall, how would you describe the relationship between shoe size and height?

a)

In this population, there was a reasonably strong, positive relationship between the two.

b)

In this population, there was a reasonably strong, inverse relationship between the two.

c)

The larger the shoe size, the shorter students tend to be.

d)

There doesn't seem to be much relationship between shoe size and height in this sample.

47.

Most people with a 3.6 grade point average make a starting salary of ___.

a)

30,000 - 40,000

b)

40,000 - 50,000

c)

20,000 - 30,000

d)

10,000 - 20,000

48.

Generally, most people with a 3.2 grade point average make a starting salary between ___.

a)

30,000 - 40,000

b)

40,000 - 50,000

c)

20,000 - 30,000

d)

10,000 - 20,000

49.

What happened to the fox population after 1998?

a)

It remained fairly stable.

b)

It increased dramatically.

c)

It decreased dramatically.

d)

It was the same as in 1997.

50.

A local university researched the yearly amount of garbage collected in one particular neighborhood, Cedar Hills. Their results are displayed in the graph. By 2001, what was the yearly amount of garbage that Cedar Hills deposited?

a)

1,000 lbs

b)

2,000 lbs

c)

3,000 lbs

d)

900 lbs

51.

During which year did the fox population experience the largest increase?

a)

1998

b)

1995

c)

1999

d)

2006

52.

What can you infer about the temperature for E. coli bacterial growth?

a)

E. coli does not grow well at low and high temperatures.

b)

E. coli will continue to grow at very high temperatures (100 Celsius).

c)

E. coli grows best at very low temperatures.

d)

E. coli grows best at very high temperatures.

53.

What is a correct interpretation of the graph below?

a)

April of 1989 produced more rainfall than April of 1990.

b)

February of 1989 produced more rainfall than February of 1990.

c)

Equal amounts of rainfall were produced in May of 1990 and 1989.

d)

Equal amounts of rainfall were produced in April of 1989 and 1990.

54.

This data table shows the results of an investigation. What information should be used for the column headings marked X?

a)

Trial number

b)

Number of seeds

c)

Predicted value for the results

d)

Average of the data in each column

55.

What can best be concluded from this data table?

a)

Higher temperatures tend to increase the rate of plant growth.

b)

Higher temperatures tend to decrease the rate of plant growth.

c)

Lower temperatures stop all plant growth.

d)

Lower temperatures tend to increase plant growth.

56.

At what age are boys supposed to intake the highest amount of calories daily?

a)

14-18 years

b)

9-13 years

c)

4-8 years

d)

2-3 years

57.

Using the chart, what conclusion can be drawn about the relationship between breathing rate and type of activity?

a)

The more demanding the activity is, the higher the pulse rate will be.

b)

There is no direct relationship between breathing rate and type of activity

c)

There is an inverse relationship between pulse rate and type of activity.

d)

The resting pulse rate is always one third that of the active pulse rate.

58.

a)

line graph

b)

bar graph

c)

circle graph

59.

What is the independent variable?

a)

atomic number

b)

electron volts

c)

first ionization energy

d)

Jim Askew's Graph

60.

Which is the graph most often used in science as it compares only two variables?

a)

line graph

b)

bar graph

c)

circle graph

61.

What would most likely be the temperature at 2 1/2 minutes?

a)

58

b)

62

c)

78

d)

88

62.

What are the marks you put on your graph that show that you have skipped lines?

a)

tick marks

b)

hatch marks

c)

skip marks

63.

What would be the key word or phrase to remember when deciding which variable is the dependent variable?

a)

choose to change

b)

measure

c)

neither of these options

64.

When creating a graph for Biology class, which type of graph would you most likely be expected to make?

a)

bar graph

b)

pie graph

c)

line graph

d)

scatter-plot graph

65.

When creating a graph for Biology class, unless told otherwise, how should you create lines for your data points?

a)

connecting the dots directly

b)

lines of "best fit"

66.

What would be the clearest way to show that different sets of data go together?

a)

you don't need to do this

b)

use a different color for each set of data

c)

use different shapes for each set of data, but keep them all the same color

67.

Which of the following is NOT a requirement you need to include on ALL graphs you make for Biology class?

a)

a key to show which color matches each set of data

b)

a descriptive title for the graph

c)

labels for both the x- and y-axes

d)

units of measurement

e)

only using odd numbers for numbering the axes

Experimental Design Review

Total questions: 67

Worksheet time: 1hrs 22mins

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