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How are science and technology related?
Advances in science may lead to advances in technology and vice versa.
How does Earth science overlap with life science?
Earth science involves the study of systems that ma include living organisms.
What are the building blocks of matter?
Atoms.
What happens when the data in an investigation do not support the original hypothesis?
The hypothesis will be revised.
Scientific theories are never proven. T/F?
True.
Why are scientific models important?
Help visualize things that are very complex, very large, or very small.
18 kilometers is equal to how many meters?
18,000 meters.
Which time is the most precise; hours, minutes, seconds, tenths of a second?
Tenths of a second.
1660 megawatts is equal to 1,660,000 kilowatts. T/F?
True.
60 degrees Fahrenheit is equal to how many kelvins?
289.
What type of graph shows parts of a whole?
Circle graph.
The line of a direct proportion will be curved. T/F?
False.
A measurement must include both a number and a(n) _____.
unit.
Why are peer reviews important?
Questions, criticism, accuracy checks, and suggestions are compiled.
Scientists communicate in a common measurement system know as what?
SI.
An experiment in which in which only one variable, the manipulated variable, is changed at a time is called a(n) __________.
controlled experiment.
The two main areas of physical science are physics and __________.
chemistry.
If doubling the manipulated variable results in the doubling of the responding variable, the relationship is a(n) __________ proportion.
direct.
-10.714, 12.821, and 13.646 all have 5 __________.
significant figures.
inverse.
What happens to the number in a measurement that is converted from kilometers to meters?
Increases.
What type of graph would be best to compare the levels of lead in six contaminated water wells?
Bar graph.
What are the three branches of natural science?
Physical science, earth and space science, life science.
What is the difference between a scientific law and a scientific theory?
Laws summarize, theories explain.
What is the first step in the scientific method?
Observation.