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PS Chapter 1
Test Description: Section 2
Instructions: Answer all questions to get your test result.
1) Which of the following is an example of technology?
A
screwdriver
B
none of the answers
C
mass
D
physical science
2) A ___ is a summary of many experimental results and observations.
A
theory
B
scientific law
C
hypothesis
D
test
3) Technology ___.
A
all of the anwers
B
applies scientific understanding to solve problems
C
can refer to objects used to accomplish tasks
D
is sometimes called applied science
4) ___ can help scientists to predict an observation that they might make in the future.
A
Theories
B
Data
C
Energy
D
Matter
5) After forming a hypothesis, you should ___.
A
ask a question
B
test your hypothesis
C
analyze the results
D
draw conclusions
6) Scientists usually state ___ in an If then format.
A
laws
B
predictions
C
theories
D
conclusions
7) During the tests of Proteus, engineers changed only the flapping rate. The flapping rate is an example of a ___.
A
control group
B
standard
C
variable
D
controlled factor
8) A controlled experiment involves ___.
A
a control group, an experimental group, and a standard
B
a controlled factor, a standard, and a variable
C
an experimental group, a standard, and a variable
D
a control group, an experimental group, and a variable
9) Scientific knowledge changes and grows due to ___.
A
the use of new technologies.
B
the discovery of new information
C
asking new questions and reexamining old ones
D
all of the answers
10) Xavier recorded his ___ of the temperature of the salt solution.
A
observation
B
scientific method
C
none of the answers
D
hypothesis
*select an answer for all questions
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