North Carolina Science Grade 6

Chapter 1: The Nature of Science and Technology

Section 2 Self-Check Quiz-Eng.

1.
Scientific methods are __________ of scientific problem solving.
A)guesses
B)hypotheses
C)step-by-step procedures
D)random studies
2.
All scientific methods include __________.
A)steps
B)experiments
C)library research
D)lots of work
3.
What is the first step in solving a problem?
A)recognizing the problem
B)book research
C)conclusions
D)assigning variables
4.
The Internet, the library, and laboratory work are examples of what?
A)research options
B)conclusions
C)hypotheses
D)experiments
5.
Scientists make observations with their __________.
A)mind
B)senses
C)research
D)guessing abilities
6.
Inferences are __________ about an observation.
A)assumptions
B)known information
C)senses
D)conclusions
7.
"If I oil the gears in my bike, then it will go faster," is an example of __________.
A)a hypothesis
B)an observation
C)an inference
D)a scientific method
8.
A __________ describes the behavior of something in nature.
A)theory
B)law
C)hypothesis
D)inference
9.
Hypotheses must be __________.
A)proved
B)disproved
C)tested
D)observed
10.
What is measured in an experiment?
A)an independent variable
B)a dependent variable
C)a constant
D)a control
11.
Controls in an experiment __________.
A)do not change
B)always change
C)sometimes change
D)are seldom used
12.
Before further experiments are done on a subject, the data must be __________.
A)verified
B)analyzed
C)thrown out
D)researched
13.
When an experiment returns data that are valid, it means that __________?
A)the experiment is repeatable
B)the experiment was a failure
C)the hypothesis was wrong
D)the variables changed
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