Quiz about Scientific Method

Question 1

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

Accepted Answer

conclusion

Answer

procedures

Answer

materials

Answer

responding variable

Question 2

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

Accepted Answer

scientific method/process

Answer

recipe

Answer

data collection

Answer

metric system

Question 3

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

Accepted Answer

one

Answer

none

Answer

two or more

Answer

how ever many makes sense.

Question 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.

Accepted Answer

mass of the ball

Answer

distance traveled by the ball

Answer

height of the ramp

Answer

weight of the ball

Question 5

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.

Accepted Answer

distance traveled by the ball

Answer

height of the ramp

Answer

mass of the ball

Answer

weight of the ball

Question 6

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 _____.

Accepted Answer

Height that the ball bounces

Answer

Diameter of the ball

Answer

Force acting on the ball

Answer

Height from which the ball is dropped

Question 7

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

Accepted Answer

Independent

Answer

Dependent

Answer

Control

Answer

Compound

Question 8

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?

Accepted Answer

Plant growth

Answer

Type of plant

Answer

Water, apple juice, milk

Answer

Color of the plant's leaves

Question 9

If I study for my scientific method quiz, then I will have a better test score. What is the DEPENDENT variable?

Accepted Answer

Test score

Answer

Scientific Method

Answer

Studying

Answer

Independent variable

Question 10

What step does every scientific experiment begin with?

Accepted Answer

question/problem

Answer

hypothesis

Answer

procedures

Answer

conclusion

Question 11

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

Accepted Answer

control group

Answer

experimental group

Answer

data

Answer

variables

Question 12

Why do we want to test only one independent variable at a time?

Accepted Answer

To better identify what is causing the changes

Answer

Because it is hard to setup a data table with more than one variable

Answer

It is what has always been done

Answer

It's easier to perform the experiment

Question 13

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

Accepted Answer

conclusion

Answer

procedures

Answer

materials

Answer

responding variable

Question 14

This variable in an experiment is the one being deliberately (on purpose/intentionally) changed by the scientist.

Accepted Answer

independent variable

Answer

dependent variable

Answer

data

Answer

control group

Question 15

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?

Accepted Answer

m

Answer

d

Question 16

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

Accepted Answer

independent variable

Answer

dependent variable

Answer

data

Answer

control group

Question 17

What is a hypothesis?

Accepted Answer

A hypothesis is an educated guess.

Answer

A hypothesis is the right answer to an experiment.

Answer

A hypothesis is the wrong answer to an experiment.

Answer

I don't know.

Question 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 ...

Accepted Answer

The type of liquid

Answer

The type of plant

Answer

The amount of sunlight

Answer

The type of music

Question 19

Dependent variable means

Accepted Answer

what is being measured/data collected

Answer

the scientist controls what to test/intentionally changed

Answer

educated guess

Answer

ask a question

Question 20

If you increase the amount of spinach you eat, then you will increase the iron in your blood.

What's the DEPENDENT variable?

Accepted Answer

increase the amount of iron in your blood

Answer

amount of spinach you eat

Question 21

If I ride my bike to school instead of walking, then I will get to school faster. What is the DEPENDENT variable?

Accepted Answer

How fast you get to school

Answer

How many friends you meet along the way

Answer

Riding a bike or walking

Answer

Distance to school

Question 22

If I listen to Mr. Castro's instructions, then I will have less accidents in the lab. What is the INDEPENDENT variable?

Accepted Answer

Listening or not listening to instructions

Answer

Yes

Answer

Maybe

Answer

Likelihood of having an accident in lab

Question 23

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

Accepted Answer

Independent Variable

Answer

Dependent Variable

Answer

Control group

Answer

Hypothesis

Question 24

Nick wanted to see how high an ice cube would float in different temperatures of water. Identify the DEPENDENT variable.

Accepted Answer

Height of Ice cube

Answer

Amount of water

Answer

Temperature the ice cube was at its highest height

Answer

Size of the ice cube

Question 25

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.

Accepted Answer

Distant water traveled out of carton

Answer

3mm holes

Answer

Different heights of the holes in the container

Answer

Ice water from Iceland

Question 26

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?

Accepted Answer

Amount of nitrogen

Answer

Height of grass

Answer

Essential nutrient

Answer

Amount of growth

Question 27

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

Accepted Answer

the temperature

Answer

the male alligators

Answer

the incubator

Answer

the gender of the alligator

Question 28

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

Accepted Answer

the gender of the baby alligators

Answer

the size of the baby alligators

Answer

the incubator

Answer

the temperature

Question 29

In this graph, what is the independent variable?

Accepted Answer

Day

Answer

Population

Answer

Species 5

Question 30

In this graph, what is the dependent variable?

Accepted Answer

Number of Deer

Answer

Walla Walla Island

Answer

Time

Question 31

How many independent variables should be tested at a time?

Accepted Answer

One

Answer

Three

Answer

Zero

Answer

Two

Question 32

This part of the experiment serves as a basis for comparison to see how your outcome changed.

Accepted Answer

control group

Answer

experimental group

Answer

data

Answer

variables

Question 33

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

Accepted Answer

independent variable

Answer

dependent variable

Answer

data

Answer

control group

Question 34

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 ...

Accepted Answer

The type of liquid

Answer

The type of plant

Answer

The amount of sunlight

Answer

The type of music

Question 35

Josie was performing an experiment where she grew the same kind of tomatoes in the same soil and amount of water. She sat one in the sun and one in a closet for 14 days. What is the INDEPENDENT variable in Josie's experiment?

Accepted Answer

sunlight

Answer

tomatoes

Answer

soil

Answer

water

Question 36

Examine the data shown in the graph below.
What conclusion can be reached by the data shown in the graph?

Accepted Answer

During the months of May, June , and July, the rate of photosynthesis increases and decreases greatly during the winter months.

Answer

During the winter months, photosynthesis increases and during the summer months, photosynthesis decreases.

Question 37

The X axis is plotted on the _______?

Accepted Answer

horizontal

Answer

vertical

Answer

diagonal

Answer

criss-cross

Question 38

The Y axis is plotted on the _______?

Accepted Answer

Vertical

Answer

Horizontal

Answer

criss-cross

Answer

diagonal

Question 39

How does increasing the slope of a ramp affect how far a marble travels?

Accepted Answer

independent

Answer

dependent

Question 40

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

Accepted Answer

heart rate

Answer

type of exercise

Answer

amount of exercise

Answer

time of day exercise occurs

Question 41

On what axis should the independent variable always be?

Accepted Answer

X

Answer

Y

Question 42

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?

Accepted Answer

The Song

Answer

The Reed

Answer

The Applause

Question 43

Sabrina wants to test which brand of popcorn pops the most kernels.  She picked a Giant Eagle brand, Orville Redenbacher, and PopSecret.  All three bags started with the same number of kernels.  She popped each for 3 minutes in the same microwave, and then counted the number of kernels left over.  What is her independent variable?

Accepted Answer

Brand of popcorn

Answer

Number of kernels left over

Answer

Number of kernels before popping

Answer

Length of time cooking

Question 44

Kira wants to test which type of soda creates the biggest foam explosion when adding a Mentos candy.  She chose Sprite, Coke, and Mountain Dew.  One at a time, she added a single Mentos candy and measured the height of the foam eruption.  Mountain Dew created a foam eruption of 7 inches.  Coke and Sprite tied at 5 inches.  What is her dependent variable?

Accepted Answer

Height of foam eruption

Answer

Brand of soda

Answer

Number of mentos candies used

Answer

Temperature of soda

Question 45

The DATA you observe and write down in a chart during an experiment or the condition that results from the change in the experiment is the

Accepted Answer

Dependent Variable

Answer

Independent Variable

Answer

Materials

Answer

Control

Question 46

An experiment has 10 plants growing in sunlight and 10 plants growing in red light. The plant height is measured after one month. What is the dependent variable in this experiment?

Accepted Answer

The plant height

Answer

The red light

Answer

The sunlight

Answer

The Plants

Question 47

An experiment has 10 plants growing in sunlight and 10 plants growing in red light. The plant height is measured after one month. Which plants are the control group?

Accepted Answer

The plants in sunlight

Answer

The plants in red light

Question 48

Evaluate the following graph and determine the correct statement below ...

Accepted Answer

The dependent variable is total cost

Answer

The dependent variable is weight

Answer

The independent variable is total cost

Answer

The independent variable is cost of a package

Question 49

You set out to determine which pop was liked better, Coke or Pepsi.  You polled 30 students, giving each one 10 ml of each one.  The temperature of both products were 57 degrees.  You recorded the number of students that preferred Coke vs Pepsi.  What are the controlled variables in this experiment?

Accepted Answer

The temperature and amount of pop distributed.

Answer

The number of students choosing Pepsi vs Coke.

Answer

The number of students polled and their gender.

Answer

There are no controlled variables in this experiment.

Question 50

A scientist has gathered several different types of soil samples with different particle sizes.  Water containing controlled amounts of pollutants was poured onto each sample.  After passing through the soils, the water was collected and the amount of pollutants was analyzed.  What is the scientific question?

Accepted Answer

Which type of soil will remove the most pollutants from the water?

Answer

Which type of soil absorbed the most water?

Answer

Which type of water pollutants were removed by the soil?

Answer

Which type of soil will allow water to pass through it best?

Question 51

Which beaker was the CONTROL GROUP in the following experiment?  A student investigated the respiratory requirements of yeast cells.  She set up 4 beakers with the contents shown in the diagram.

Accepted Answer

Beaker C

Answer

Beaker A

Answer

Beaker B

Answer

Beaker D

Question 52

A scientist wants to find out if temperature varies by location.  The scientist gets 2 thermometers and hangs them up at opposite ends of his yard.  Every day he records the temp. of thermometer A when leaving work and records the temp. of thermometer B when returning home.  Over time he was able to determine that his yard is hotter at the thermometer B location.  Which of the following parts of his experimental design is the most likely source of error.

Accepted Answer

The temp. was recorded at different times during the day.

Answer

The thermometer(s) did not work properly.

Answer

The scientist read the temps. inaccurately.

Answer

The thermometers are being heated by exhaust from cars driving by.

Question 53

A farmer wants to increase his tomato crop.  He decides to use the same amount of 3 different brands of fertilizers (A, B, and C) in 3 different 4 sq. ft. plots, and labeled them A, B, and C.  He fertilizes all 3 plots of tomatoes every 3rd day and waters them every other day.  The data is shown in the diagram.  What constitutes a controlled variable in this experiment?

Accepted Answer

All of the above

Answer

the plot size of 4 sq. ft.

Answer

the amount of fertilizer used

Answer

the amount of watering - every other day.

Question 54

After a year of high levels of acid rain had fallen, the paint on many vehicles had peeled.  To prepare for an experiment, a scientist has gathered several types of protective automobile wax for experimentation.  Which of these questions is the scientist planning to investigate?

Accepted Answer

Which type of wax will best prevent damage from acid rain?

Answer

Which wax will make acid rain less acidic?

Answer

Which paint can withstand he effects of acid rain the best?

Answer

Which acid pH (strength) is most damaging to automobile paint?

Question 55

Something that you didn't/couldn't control that "skewed" your results is called

Accepted Answer

source of error

Answer

controlled variable

Answer

control group

Answer

hypothesis

Question 56

Which of the following is a quantitative observation?

Accepted Answer

There were 12 students waiting to see the teacher

Answer

The coffee was hot

Answer

The soda had lots of bubbles

Answer

The room was filled with the smell of chocolate chip cookies

Question 57

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

Accepted Answer

Which reed length creates the best sound?

Answer

Which song does the audience prefer?

Answer

Which instrument does the audience like best?

Answer

How do applause affect performance?

Question 58

Explaining the color of a chemical would be what kind of observation?

Accepted Answer

Qualitative

Answer

Quanitative

Question 59

According to the diagram, which question is being tested?

Accepted Answer

Does fertilizer make plants grow taller?

Answer

Do plants grow taller when watered with salt water?

Answer

How much fertilizer do plants need?

Answer

What is the best fertilizer to use?

Question 60

Butter bean seeds were placed in dishes lined with moist paper towel for 5 days at different temperatures & germination was measured.  Which of the following is the independent variable?

Accepted Answer

Temperature

Answer

Number of seeds

Answer

Time

Answer

Type of seed

Question 61

Choose the accurate independent (I) and dependent (D) variables.

Accepted Answer

I - mowing time
D - total cost

Answer

I - total cost
D - mowing time

Answer

I - lawnmowers purchased
D - number of lawns

Answer

I - number of lawns
D - lawnmowers purchased

Question 62

An educated guess in science is called a/an

Accepted Answer

hypothesis

Answer

procedure

Answer

conclusion

Answer

lucky

Scientific Method

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