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Unit 1 Lesson 2 ~ Scientific Knowledge
Test Description: You will analyze how scientists choose their methods, develop explanations, and identify support for a theory.
Instructions: Answer all questions to get your test result.
1) Kristen is researching a recent scientific issue. Which of these sources is the most reliable source for Kristen to use for unbiased scientific information?
A
an informative pamphlet created by a high school student on the topic
B
a personal website or blog
C
a scientific journal with scientist-reviewed articles
D
the 2005 edition of World Book Encyclopedia
2) Which statement about theories is true?
A
Theories cannot be changed if new evidence is discovered.
B
Theories can be proven true.
C
Theories are the same as guesses.
D
Theories are explanations supported by a lot of evidence to back them up.
3) _____ is the systematic study of the natural world.
A
Theory
B
Science
C
Method
D
Pseudsoscience
4) Scientists only work in laboratories.
A
TRUE
B
FALSE
5) A good scientific theory is often modified when new evidence is found but is rarely completely rejected.
A
TRUE
B
FALSE
6) A method is a way of doing things or steps in a process.
A
FALSE
B
TRUE
7) How do scientists choose their methods?
A
D. Choices A and B
B
C. by people voting on them
C
A. by the tools available to them
D
B. by the subject under study
8) How do scientific theories become accepted?
A
D. choices B and C
B
A. offering absolute and conclusive proof they are true or false
C
C. incorporating new evidence
D
B. being supported by a lot of evidence
9) What type of scientific investigation is demonstrated when a scientist works in a lab under controlled conditions?
A
fieldwork
B
experiments
10) What type of scientific investigations is demonstrated when a scientist goes out and makes observations in the world around them?
A
experiments
B
fieldwork
*select an answer for all questions
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