North Carolina Science Grade 6

Chapter 1: The Nature of Science and Technology

The Nature of Science

1.
Ancient sites must be excavated __________.
A)recklessly
B)quickly
C)carefully
D)only on the surface
2.
"If I oil the gears in my bike, then it will go faster," is an example of __________.
A)a scientific method
B)an observation
C)an inference
D)a hypothesis
3.
The Internet, the library, and laboratory work are examples of what?
A)research options
B)hypotheses
C)experiments
D)conclusions
4.
A __________ describes the behavior of something in nature.
A)theory
B)law
C)hypothesis
D)inference
5.
Scientists hypothesize that people came to North America from __________.
A)South America
B)Europe
C)Africa
D)Asia
6.
What is science?
A)a subject in school
B)the process of trying to understand the world
C)the study of outer space
D)work in a laboratory
7.
What is something that a good scientist does?
A)never take notes
B)do all the work alone
C)research
D)jump to conclusions
8.
Inferences are __________ about an observation.
A)conclusions
B)assumptions
C)senses
D)known information
9.
When an experiment returns data that are valid, it means that __________?
A)the experiment was a failure
B)the hypothesis was wrong
C)the variables changed
D)the experiment is repeatable
10.
Which is NOT an example of science?
A)an archaeological dig
B)a construction site
C)the study of dinosaurs
D)a weather report
11.
You find what appears to be a piece of a clay pot buried in a park. What can you conclude about it?
A)It needs to be investigated further.
B)It calls for an archeological dig.
C)It is an artifact.
D)It was recently thrown away.
12.
Before further experiments are done on a subject, the data must be __________.
A)analyzed
B)thrown out
C)researched
D)verified
13.
What is measured in an experiment?
A)an independent variable
B)a dependent variable
C)a control
D)a constant
14.
What is the first step in solving a problem?
A)book research
B)recognizing the problem
C)conclusions
D)assigning variables
15.
An excavation is __________.
A)a city park
B)a school
C)a construction site
D)an archaeological site
16.
Hypotheses must be __________.
A)proved
B)observed
C)disproved
D)tested
17.
What might be found during an archaeological dig?
A)electrical equipment
B)computers
C)ancient tools
D)living things
18.
How much time does archaeology cover?
A)about 2,000 years
B)about 4.6 billion years
C)about 30,000 years
D)about 3 million years
19.
How are many archaeological sites found?
A)ancient maps
B)they're planned
C)student research
D)by accident
20.
Scientists make observations with their __________.
A)senses
B)mind
C)guessing abilities
D)research
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