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NOS - Nature of Science Chapter Review Flashcards | StudBud
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NOS - Nature of Science Chapter Review
NOS - Nature of Science Chapter Review
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The nature of science questions.
Flashcards
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Questions
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Answers
1
What is a conclusion?
The first step of the Scientific Process
A statement that sums up what you learned
A good guess
It explains the materials used
2
What is the difference between inferring and hypothesizing?
An inference is a guess, a hypothesis is certain.
An inference is controlled, a hypothesis is not.
Inference: an interpretation. Hypothesis: an explanation.
Inference: an explanation, hypothesis: an interpretation.
3
The variable that is measured or observed
independent
control
dependent
confounding
4
What is Life Science?
The study of people.
The study of how people die.
Living.
The study of living things.
5
What is the "scientific method"?
A series of steps with a set order of use
An organized way of questioning, seeing, and answering.
none of these
A set series of steps used by scientists only
6
An inference is:
A statement involving numbers
A logical interpretation of an observation based on evidence.
The same as an observation
A hypothesis.
7
Which is the experimental group?
the first ball rolled down the ramp
The weight of the ball
the heavier balls rolled down the ramp
how many pins were knocked down
8
Do theories become laws?
Yes, but only after many years of evidence.
Maybe; if Bill Nye likes it enough.
Yes, but only after the idea is peer reviewed over 100X.
No!Theories are explanations.Laws are statements of what is.
9
What is the independent variable in an experiment?
The variable that receives a variety of changes.
The variable that is deliberately changed.
The variable that doesn't react.
The variable that is not changed.
10
In an experiment, constants are
a standard for comparison in the lab
things that are changed by the experimenter
things that must be the same throughout the experiment
things that are measured
11
In an experiment, what is a CONTROL?
Controls experience the same conditions, but has no changes
Controls are the part of the experiment that changes
Controls experience nothing that the experimental group does
None of these.
12
What is the goal of science?
To find unchanging answers to questions
To provide natural explanations for events.
To prove things
To get people to believe in the supernatural.
13
To be useful in science, a hypothesis must:
Be observable
Be testable
Be correct
Be measureable
14
Which of the following statements about a controlled experiment are true?
All the variables must be kept the same.
Everything can be studied with a controlled experiment
They cannot be performed on living things.
Only one variable is tested at a time.
15
A bird watcher sees an unusual bird. He notes it's color, shape and physical features. This is?
Experiment
Observation
Inference
Hypothesis
16
What is science?
A way of getting & analyzing evidence re: the natural world.
All of these
A way of observing
A way of thinking
17
What is qualitative data?
Information gathered in number form.
A field study
Information gathered in the form of words.
Information that is of good quality.
18
What is a dependent variable in scientific experimentation?
The variable that changes in response to the ind. variable.
The variable that gets no treatment.
The variable that remains constant.
The variable that is deliberately changed.
19
What is a scientific theory?
An absolute truth.
The same as a hypothesis
A best guess about something.
A well tested explanation for how something works.
20
Quantitative data is...
collected from questionnaires
data that involves numbers
data that includes opinion, responses and reflections
