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Nature Of Science 2
Test Description: Continues with nature of science questioms
Instructions: Answer all questions to get your test result.
1) Which of these items should the class use to record their measurements as the class takes them?
A
data table
B
camera
C
drawing
D
graph
2) Scientists can use many strategies during investigations, including fieldwork, surveys, models, and experiments. Which of these phrases best describes an experiment?
A
mathematical analysis of data
B
collection of data from an uncontrolled environment for comparative purposes
C
observation of animals in their natural world
D
procedure with controlled conditions and test
3) DNA is found inside the cells of all living things. Which of the following is a reason that a scientist would want to use a model to study DNA?
A
DNA is very small
B
DNA is very rare
C
DNA is very large
D
DNA does not really exist
4) Which description defines a independent variable in a scientific experiment?
A
any factor that is controlled during an experiment
B
any factor that is measured to gather results
C
any factor that is changed so that it can be tested
D
any factor that changes during an experiment
5) Which description defines a hypothesis?
A
an account of an observed event
B
a testable idea that explains an observed event
C
a statement that has been extensively tested and proven to be true
D
a statement that predicts a future event
6) Two scientists have different ideas about a scientific concept. What might they do to resolve their differences?
A
Remain silent
B
Each will agree that the other is correct in order to remain friends.
C
discuss the idea with people they know will agree with it.
D
Debate their ideas
7) A scientist who would use a map showing the location of rock formations
A
geologist
B
chemist
C
physicist
D
biologist
8) Which statement describes the difference between an independent variable and a dependent variable?
A
The dependent variable does not change and the independent variable does change
B
The dependent variable changes based on the independent variable.
C
The independent variable does not change and the dependent variable does not change.
D
The dependent variable is the control and the independent variable is the result.
9) The hurricane followed a similar path but did not follow the exact path that was predicted. How does this example demonstrate a limitation of models?
A
Models cannot be used to predict things
B
Models can only be used to show physical structures, not events such as hurricanes.
C
Models cannot account for how every factor may suddenly change.
D
. Models can be used to predict weather events before the event occurs.
10) What do scientists do before testing a hypothesis?
A
Analyze data
B
Make predictions
C
Plan the investigation
D
Draw conclusions
*select an answer for all questions
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