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