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18 Cards in this Set
- Front
- Back
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Mechanics |
Area of Physics that studies motion and its causes. |
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Vibrations and wave phenomena |
Field in physics that deals with things, like listening to your favorite radio station. |
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Thermodynamics |
Field in physics that involves thing,s like a baker baking a cake. |
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Electromagnetism |
Area in physics that deals with things, like a hiker using a compass to navigate through the woods. |
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According to the scientific method, how does a physicist formulate and objectively test hypotheses. |
By Experiments |
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In the steps of thescientific method, what is the next step after formulating and objectivelytesting hypotheses? |
interpreting results |
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According to the scientific method, how does a physicist formulateand objectively test hypotheses? |
by experiments |
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Diagrams are notdesigned to |
measure an event or a situation. |
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Why do physicists use models? |
to explain the basic features of complex phenomena |
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Which statement about models is not correct? |
Models manipulate a single variable or factor in an experiment. |
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What two dimensions, in addition to mass, are commonly used byphysicists to derive additional measurements? |
length and time |
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The symbol mm represents a |
millimeter |
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The SI base unit used to measure mass is the |
kilogram |
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The SI base unit for time is |
1 second. |
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The most appropriate SI unit for measuring the length of anautomobile is the |
meter |
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The radius of Earth is 6 370 000 m. Express this measurement in kmin scientific notation with the correct number of significant digits. |
6.37x10^3 |
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A lack of precision in scientific measurements typically arisesfrom |
limitations of the measuring instrument. |
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How does a scientist reduce the frequency of human error andminimize a lack of accuracy? |
Take repeated measurements, Use the same method of measurement, and Maintain instruments in good working order. |
