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Science Ch. 1
Test Description: Section 1
Instructions: Answer all questions to get your test result.
1) The process of learning more about the natural world is _____________________-.
A
an experiment
B
a hypothesis
C
science
D
control
2) Experiments and investigations must be _________________________.
A
unreproduceable
B
accepted
C
repeatable
D
approved
3) A prediction about a problem that can be tested is a (n) ____________________.
A
control
B
independent variable
C
dependent variable
D
hypothesis
4) It is important to ________________when drawing conclusions from scientific information.
A
keep an open mind
B
talk to others
C
keep notes
D
make up your mind
5) The factor being measured in an experiment is the _______________.
A
control
B
scientific law
C
variable
D
hypothesis
6) A variable in an experiment that stays the same is a (n) ________________________.
A
dependent variable
B
independent variable
C
constant
D
control
7) Science cannot answer questions about _______________.
A
temperature
B
distance
C
the natural world
D
politics
8) Models can do all of the following EXCEPT _______________.
A
save time, money, and lives
B
communicate
C
make a hypothesis
D
test predictions
9) Limitations of models include ________________.
A
the tendency to change
B
the ability to test predictions
C
ability to communicate
D
the ability to save time
10) Models can be used to describe which of the following environments?
A
space
B
All of the above
C
the floor of the ocean
D
volcanoes
11) Scientific ______________must be supported by observations and results from many investigations and are not absolute.
A
laws
B
systems
C
theories
D
constants
12) The three branches of science are_____________, Earth, and physical.
A
physics
B
chemistry
C
life
D
space
13) Another term for technology is ___________________.
A
applied science
B
comparison
C
sequence
D
controlled experiment
14) When designing an experiment, the first step is to __________________.
A
recognize a problem
B
test a hypothesis
C
draw conclusions
D
form a hypothesis
15) When conducting an experiment, the last step is to __________________.
A
draw conclusions
B
form a hypothesis
C
analyze the data
D
recognize a problem
16) A camera is an example of _______________.
A
a robot
B
an experiment
C
technology
D
a scientific method
17) To evaluate the observations you make, you must use ____________________.
A
a hypothesis
B
measurements
C
models
D
critical thinking
18) Scientists must be impartial and not base their conclusions on ___________________.
A
evidence
B
models
C
opinions
D
experiments
19) To_____________means to draw a conclusion based on something you observe.
A
infer
B
control
C
guess
D
model
20) ______________materials are designed to get you to buy a product or service.
A
Advertising
B
Observed
C
Model
D
Scientific
*select an answer for all questions
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