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Scientific Method & Experimental Design

Total questions: 28

Worksheet time: 52mins

Name
Class
Date
1.
The independent variable is the ONE thing you _____.
a)
change
b)
keep the same
c)
experiment with
d)
investigate
2.

What step does every scientific experiment begin with?

a)

hypothesis

b)

question/problem

c)

procedures

d)

conclusion

3.
The summary at the end of an experiment that explains the results. 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
4.
When making an observation, you must use...
a)
Only Sight
b)
Smell & Touch
c)
ALL 5 Senses
d)
Only Taste
5.
The information you record in an experiment is called your ____________.
a)
data
b)
conclusions
c)
notebook
d)
inquiry
6.
After a scientific experiment is performed, data is recorded, and conclusions are drawn, what should be done next?
a)
Share your research with other scientists
b)
Keep your research a secret
c)
Destroy all evidence of your experiment
7.
Which of the following is an observation of the picture?
a)
The person is wearing a T-shirt
b)
It is a sunny day
c)
The person is going to a birthday party
d)
The gift is a DVD player
8.
A prediction of what will happen...
if___,then___because___.
a)
hypothesis
b)
procedures
c)
testable question
d)
conclusion
9.
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?
a)
tomatoes
b)
soil
c)
sunlight
d)
water
10.
In an experiment, the factor that we measure is called the
a)
controlled variable
b)
conclusion
c)
independent variable
d)
dependent variable
11.
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 incubator
b)
the temperature
c)
the size of the baby alligators
d)
the gender of the baby alligators
12.
In which step of the scientific method do we want to use graphs?
a)
communicate results
b)
asking questions
c)
analyze data
d)
make a hypothesis
13.
A scientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water. In this experiment the independent variable is...
a)
the temperature of the water
b)
the water
c)
the amount of salt in the water
d)
the number of plants in the water
14.
The parts of the experiment that must be kept the same.
a)
Constants
b)
independent
c)
Dependent
15.
If I water the plant more often, then it will grow taller.  Name the independent variable.
a)
The height of the plant
b)
The size of the pot
c)
The amount of water
d)
The amount of light.
16.

Which of these would be the proper way to write a hypothesis

a)

I think the water will make the plant grow.

b)

Watering plants will make them grow better.

c)

If I add more water, then the plant will grow taller.

d)

Maybe water will make a plant grow taller.

17.
In which step of the scientific method do you test the hypothesis?
a)
Observe
b)
Experiment
c)
Analyze
d)
Conclude
18.

Brayam would like to know which type of feeder birds prefer. He puts the same type of seed in each feeder and then places them under the same tree. He then records data for visiting bird species at each feeder during the same time every day. What are the constants?

a)

type of plant feeder

b)

type of seed

c)

type of tree

d)

how many birds visit the feeder

19.

You should have multiple independent variables in an experiment.

a)

true

b)

false

20.
How many children like hamsters?
a)
0
b)
2
c)
4
d)
6
21.
A hypothesis is a statement that-
a)
can be tested
b)
is almost always true
c)
is almost always false
d)
is the same as a theory
22.

Which of the following is a testable hypothesis?

a)

A plant needs at least 5 hours of sunlight a day

b)

Roses are more beautiful that violets

c)

Science is the best subject ever

d)

Ice cream is delicious

23.

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

24.
Mia 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)
mass of the ball
25.
If I study for my scientific methods quiz, then I will have a better test score. What is the DEPENDENT VARIABLE?
a)
Test score
b)
Studying
c)
Independent variable
26.
Which statement is a well written HYPOTHESIS?
a)
It is possible to teach an old dog new tricks.
b)
If Miracle Grow fertilizer is used on the lawn, then the grass will grow faster.
c)
Will fertilizer make my grass grow more?
27.
In an appropriately designed experiment, a scientist is able to test the effect of
a)
 a single variable
b)
 multiple variables
c)
 the hypothesis
d)
 scientific observations
28.

Fill in the missing blanks of the scientific method. 1. make observations. 2. Ask a question 3. _________________ 4. Procedure/Experiment 5. Analyze data 6. ___________ 7. Communicate results

a)

Hypothesis, Conclusion

b)

Data, Conclusion

c)

Graphs, Hypothesis

d)

Conclusion, Hypothesis

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