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7.1 Intro To Life Science (part 3)
Test Description: 10 questions from chapter 1
Instructions: Answer all questions to get your test result.
1) Grocery stores organize food according to food type—diary, frozen, bakery, and so on. This is an example of
A
inferences.
B
posing questions.
C
observation.
D
classifying.
2) Scientists can communicate their results
A
all of these.
B
at scientific meetings.
C
in scientific journals.
D
by exchanging information on the Internet.
3) The use of endoscopes to study the functions of the heart shows that
A
advances in science and technology often depend on one another.
B
science is important to technology.
C
technology is independent from science.
D
science changes the natural world.
4) A person who is trained to use both technology and scientific knowledge to solve practical problems is known as a(n)
A
engineer.
B
biologist.
C
scientist.
D
forest technician.
5) To reveal trends in data, the data should be presented in a(n)
A
graph.
B
operational definition.
C
scientific data.
D
hypothesis.
6) Life science is also known as
A
hypothesis.
B
medicine.
C
biology.
D
botany.
7) A possible explanation for a set of observations or answer to a scientific question is a
A
scientific theory.
B
hypothesis.
C
scientific law.
D
manipulated variable.
8) You are inferring when you
A
pose a question.
B
draw a conclusion about a hypothesis.
C
develop an imaginative way to solve a problem.
D
explain or interpret the things you observe.
9) In an experiment, the one variable that is purposely changed to test a hypothesis is called the
A
responding variable.
B
controlled variable.
C
manipulated variable.
D
operational variable.
10) What are data?
A
manipulated variables
B
graphs made from information in tables
C
the facts, figures, and other evidence gathered through observations
D
different fields of science
*select an answer for all questions
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