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Scientific Process- Phys. Science
Scientific Process- Phys. Science
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Test Review over scientific method, sig figs, scientific notation, conversions using factor label
Flashcards
33 cards
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Practice quiz
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Questions
33
Answers
1
How many trials should you do in an experiment?
At least Three
minimum of 10
2 is enough
At least 5
2
The control of an experiment
is what scientists change in an experiment
is used to compare with the experimental group
is what is observed and measured
3
Scientific questions _______.
relate to feelings or opinions.
cannot be inestigated.
relate to facts and observations
can be investigated by collecting facts and data.
4
Information or observations collected during an experiment are called _____.
Hypothesis
Problem
Conclusion
Data/Results
5
A hypothesis must be ______________.
1000 words and double spaced
written in caps
a question
testable
6
QUALITATIVE OR QUANTITATIVE
QUANTITATIVE
QUALITATIVE
7
What are the experimental groups in the experiment below?
2 cups of coffee and 2 cups of decaffeniated coffee
2 cups caffeinated coffee
All three groups are experimental
2 cups caffeinated and 1 cup caffeinated/1 cups decaff
8
Look at this picture, what is a scientific observation?
The horse has a head
The horse is sleeping
The horse is smart
The horse is white
9
The variable that is measured in an experiment is known as which of the following?
Experimental variable
Dependent variable
Independent variable
Controlled variable
10
In a controlled experiment, how many variables at one time can you change?
1
3
as many as you want
2
11
A good hypothesis must
Be based in logical observations
All the above
Make a prediction
Be testable
12
Which variable is controlled by the experimenter?
Dependent
Independent
13
Statement that sums up the result of an experiment & states whether it supports the hypothesis
hypothesis
conclusion
procedure
test
14
Why do scientists complete several trials of their experiment before they analyze the results?
A. To show that they did the experiment correctly
A. To prove that they’re the best
A. To collect evidence to support their claim
A. To prove that their hypothesis is correct
15
The dependent variable
describes the variable that is effrcted by testing
is used to compare with the experimental group
describes the cause, what is changed by scientists.
16
A conclusion is
based upon facts and testing.
the third step in the scientific method
an observation based upon sight
used to make a hypothesis
17
What is the "scientific method"?
none of these
A set series of steps used by scientists only
An organized way of questioning, seeing, and answering.
A series of steps with a set order of use
18
In a controlled experiment how many variables should be tested?
one
two
three
all of the above
19
To see if texting while driving increases accidents, the independent variable is
2 groups - the one not texting
the number of drivers in the study
the group texting while driving
the accident rate
20
QUALITATIVE OR QUANTITATIVE
QUALITATIVE
QUANTITATIVE
21
Which plant is the experimental group?
The plant receiving 10 ml of fertilizer.
The plant that does not receive the fertilizer.
22
The variable that is kept the same through the experiment is called a(n) _____.
Controlled Variable
Independent Variable
Hypothesis
Dependent Variable
23
Which observation is quantitative?
The rock is round
The rock is 3 inches long
The rock is covered in dirt
The rock is gray
24
Scientists study the natural world through observation and ___________.
listening
experimentation
studying
reading
25
The clock chimed twice. Observation or Inference?
Observation
Inference
26
Scientific Questions:
Should be specific and testable
Based on opinions
Can be vague sometimes
Should be educated
27
Group/setup where all variables are controlled & to which the experimental results are compared
standard group
PAWS group
experimental group
control group
28
What is the difference between the experimental group and the control group
The experimental group gets results
The experimental group get the IV done on them
The experimental group is independent
The experimental group is larger
29
(True or False): A hypothesis is made before an observation has taken place.
False
True
30
Qualitative properties of apple juice include all, but:
sweet
transparent
yellow
125 ml
31
A scientist using scientific methods would NOT
record data.
form an opinion.
ask a question.
perform repeated trials.
32
The variable that is changed in an experiment.
Dependent variable
Independent variable
33
The child's temperature was 101 degrees. Quantitative or Qualitative?
Quantitative
Qualitative
