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Scientific Method
Scientific Method
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A #science #biology review
Flashcards
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Answers
1
The clock chimed twice. Observation or Inference?
Inference
Observation
2
How do you test a hypothesis?
record results
perform an experiment
make a graph
gather data
3
In an experiment, the one variable that is changed by the investigator is called the
experimental variable
controlled variable
dependent variable
independent variable
4
A hypothesis is an educated guess that must be
made a law
testable
made a theory
proven true
5
The constant is ____
the data
what the test group is compared to
the test group
what remains the same between the two groups
6
When a scientist shares her findings with other scientists, she is
experimenting
making a hypothesis
communicating results
analyzing data
7
Ultimately, all scientific knowledge comes from...
textbooks
only observation
only experimentation
both experimentation and observation
8
The final part; a summary of reasonable inferences is a/an
controlled experiment
conclusion
question
hypothesis
9
Which of the following is an observation?
The leaves on the tree are green.
Baseball is fun.
Roses are pretty.
My dog is the best.
10
In which step of the scientific method do we want to use graphs
communicate results
analyze data
making a hypothesis
asking questions
11
What skill is a scientist using when she listens to the sounds that whales makes?
drawing conclusions
interpreting data
making a hypothesis
making observations
12
In an experiment, the factor that we measure is called the
experimental variable
controlled variable
dependent variable
independent variable
13
To be a valid experiment you should have...
an experimental group
all of the above
a control group
one changed variable
14
When you decide whether or not the data supports the original hypothesis, you are
forming a hypothesis
making observations
asking questions
drawing conclusions
15
A good experiment is
has more than one changed variable
performed only once
never retested
repeatable
16
Qualitative observations are
numbers only
words only
words and numbers
sometimes words and numbers
17
Which of the following is NOT a rule when writing a hypothesis?
It is testable
It is an if/then statement
It should restate the question
It is a prediction
18
A hypothesis is a _____ of the outcome of the experiment.
prediction
observation
conclusion
mistake
19
Theories help scientists to ...
propose new ideas about how the world works
determine truth from lies
prove hypotheses
explain large bodies of data
20
The child's temperature was 101 degrees. Quantitative or Qualitative?
Qualitative
Quantitative
21
IF a theory is challenged by new evidence, which of the following would occur?
a vote is taken on whether to accept the new evidence
the theory could be changed
the theory is accepted, not the evidence
the evidence is wrong
22
The process of obtaining information by using the senses is called a/an
inquiry
conclusion
observation
scientific method
23
A series of steps designed to help you solve problems and answer questions
scientific method
experiment
hypothesis
observation
24
The first step of the scientific method involves
forming a hypothesis
predicting the result of an experiment
making observations
performing an experiment
