Chapter 1 Vocab Flashcards

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1
Q

GPS

A

Global Positioning System, a radio system that uses signals from satellites to tell you where you are and to give you directions to other places

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2
Q

Hygrometer

A

An instrument that measures the percentage of water vapor in the air

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3
Q

Bias

A

Personal opinion that may affect experiment results; prejudice in favor of or against one thing, person, or group compared with another, usually unfair

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4
Q

Ethics

A

Deals with moral values about what is good or bad; a system of moral principals. These problems cannot be solved using scientific method

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5
Q

Scientific Law

A

A rule that describes the behavior of something in nature, usually without explaining why the behavior occurs. Stands the test of time, often without change confirmed over and over

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6
Q

Control

A

A standard to which results can be compared; the same experiment done with the same variables, except it omits the independent variable

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7
Q

Variable

A

Different factors that can change in an experiment; something that can change or “vary” in a situation

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8
Q

Constant

A

Variables that do not change in an experiment

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9
Q

Transferable technology

A

Technology that can be applied to new situations, other than what it was originally designed for.

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10
Q

Technology

A

Use of scientific discoveries for practical purposes such as making pottery or extracting metals from rocks, use of knowledge to make products or tools.

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11
Q

Thermometer

A

An instrument that measures temperature.

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12
Q

Conclusion

A

Summarizes the test, tells the whether the hypothesis was correct or not; A judgment or decision reached by reasoning; The result or outcome of the tests

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13
Q

Weather Bureau

A

Formerly an agency responsible for gathering and interpreting data for weather study and forecasts. It was renamed the National Weather Service in 1970 when it became part of the National Oceanic & Atmosphere Administration (NOAA)

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14
Q

Scientific theory

A

An explanation or model backed by results obtained from many tests or experiments; uses many observations and has loads of experimental evidence

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15
Q

Anemometer

A

An instrument that measures wind speed

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16
Q

Joseph Henry

A

An American scientist who served as the first secretary of the Smithsonian institution in 1850. He was the first person to draw and compile weather maps

17
Q

Earth science

A

The study of Earth and space

18
Q

Hypothesis

A

An educated guess about a possible solution to a mystery; prediction or statement that can be tested; A reasonable or educated guess; what a scientist things will happen in an experiment.

19
Q

Experiment

A

A scientific test in which you perform a series of actions and carefully observe their effects in order to learn about something

20
Q

Barometer

A

An instrument that measures atmospheric pressure

21
Q

NOAA

A

National Oceanic and Atmospheric Administration; A science-based agency of the United States federal government responsible for monitoring and preserving our climate and our environment.

22
Q

Fraud

A

Opposite of ethical behavior, includes making up data, changing experiment results, or taking credit for others work.

23
Q

Scientific method

A

A problem-solving procedure that follows steps to draw a conclusion, It includes identifying a problem, gathering information, making hypotheses, testing the hypotheses, analyzing the results, and drawing conclusions.

24
Q

Science

A

A process of observing, studying, and thinking about things to gain knowledge to better understand the world.

25
Q

Dependent variable

A

Responding variable; the variable being measured; a variable that changes as a result of the manipulation of another variable; changes because of what the scientist did with the independent variable.