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Nature of Science Review Flashcards | StudBud
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Nature of Science Review
Nature of Science Review
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The nature of science quesitons.
Flashcards
35 cards
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Questions
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Answers
1
What is the independent variable in an experiment?
The variable that doesn't react.
The variable that is not changed.
The variable that receives a variety of changes.
The variable that is deliberately changed.
2
Conducting multiple trials in an experiment is an example of _______?
repetition
replication
asking a question
making a prediction
3
A prediction or statement that can be tested is ____.
a hypothesis
a conclusion
an observation
a control
4
An inference is:
A statement involving numbers
A hypothesis.
The same as an observation
A logical interpretation of an observation
5
Which of the following statements about a controlled experiment are true?
They cannot be performed on living things.
Everything can be studied with a controlled experiment
Only one variable is tested at a time.
All the variables must be kept the same.
6
To ensure a work of science is free from bias and meets all standards, research is reviewed by
Anonymous scientific experts.
Law makers.
The general public.
Researcher's friends.
7
In an experiment, what is a CONTROL?
Controls are the part of the experiment that changes
Controls experience nothing that the experimental group does
None of these.
Controls experience the same conditions, but has no changes
8
Which question would most likely be studied by a scientist working in the field of life science?
How do rocks form?
How are force and motion related?
How are birds and reptiles related?
What substances are in soil?
9
What is a dependent variable in scientific experimentation?
The variable that changes in response to the ind. variable.
The variable that remains constant.
The variable that gets no treatment.
The variable that is deliberately changed.
10
Which of the following is the best scientific reason to accept a specific theory?
To gain recognition as a great scientist
Accepted evidence has been confirmed/debated by science community
In order to obtain funding for the research
There can only be one correct theory
11
What is the "scientific method"?
none of these
A series of steps with a set order of use
An organized way of questioning, seeing, and answering.
A set series of steps used by scientists only
12
Why should scientist repeat the same experiment several times before reporting the results?
To prevent other scientists from duplicating his work
To verify that the notes taken during the experiment are accurate
To ensure the results are valid and did not happen by accident
To formulate a reliable hypothesis
13
What type of evidence is Sam collecting by measuring the height of the plant using a ruler and recording the information
opinion-based
empirical
indirect
non-conclusive
14
Which statement correctly describes a theory and not a law?
A theory is an explanation with scientific evidence to support it.
A theory is always true.
A theory is an explanation that has been proven beyond a doubt.
A theory has more evidence than a law.
15
What is data?
The information collected during investigation /observation
A process you do to learn more about something.
A field study
Making observations
16
What is science?
All of these
A way of getting & analyzing evidence re: the natural world.
A way of observing
A way of thinking
17
Which investigative question could best be answered by conducting a controlled experiment?
How many different species of fish live in a coral reef?
How are craters formed on the moon?
What is the structure of an atom?
How does the amount of light affect the growth of a radish plant?
18
To be useful in science, a hypothesis must:
Be observable
Be testable
Be measureable
Be correct
19
Which of the following is true of a scientific model?
It must be a computer simulation
Models are always the best representation of all scientific concepts
It must involve electricity
It benefits scientists by helping them visualize concepts
20
Scientific inquiry often results in the development of ______, such as televisions and MP3 players
new laws
possible explanations
new technologies
new materials
21
Which of the following is
NOT
an example of empirical evidence?
The teacher thinks the room is cold
The temperature is 75 degrees Fahrenheit
The flower is blue.
The car is going 20 MPH
22
What is a scientific theory?
A best guess about something.
A well tested explanation for how something works.
An absolute truth.
The same as a hypothesis
23
Choose the sentence that is a fact.
Spring Hill belongs to Florida's Nature Coast.
Spring Hill is much too crowded and noisy.
Spring Hill is the most exciting city on earth!
If you can succeed inSpring Hill, you can succeed anywhere.
24
Do theories become laws?
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.
Yes, but only after many years of evidence.
25
Which of the following is a scientific theory?
If you drop an object, it will fall to Earth due to gravity
Energy cannot be created nor destroyed
All living things come from cells
An object in motion will stay in motion, an object at rest will stay at rest
26
What is the goal of science?
To provide natural explanations for events.
To get people to believe in the supernatural.
To find unchanging answers to questions
To prove things
27
What is peer review?
Sending your experiments to a publisher for review.
Reading a study, looking for spelling errors.
Publishing articles about your work so others can replicate
Letting as many people read your study as possible.
28
Why is peer review important?
Ensures the highest standards are met.
All of the above
It certifies that the work done meets scientific standards.
It ensures there is no bias in your work.
29
What is the difference between inferring and hypothesizing?
An inference is controlled, a hypothesis is not.
Inference: an explanation, hypothesis: an interpretation.
Inference: an interpretation. Hypothesis: an explanation.
An inference is a guess, a hypothesis is certain.
30
After a hypothesis has been confirmed, which is the next step a good scientist would take?
repeat the test several times
modify or revise the hypothesis
speak at a science conference
design an experiment
31
In a controlled experiment, which variable does the investigator measure?
experimental variable
independent variable
dependent variable
factor
32
A bird watcher sees an unusual bird. He notes it's color, shape and physical features. This is?
Inference
Hypothesis
Observation
Experiment
33
In biology, how do you know something is alive?
All of these
It has a genetic code.
It uses raw materials, energy, grows, reproduces and changes
It is made up of cells.
34
Good scientists display a variety of attitudes that help them.They include all of these except:
Curiosity
Creativity
Skepticism
Spirituality
35
Which of the following statements about scientific theories is NOT true?
It enables scientists to make accurate predictions
They are based on a large body of evidence.
It has the same meaning in daily life as in science.
It ties in many hypotheses.
