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28 Cards in this Set
- Front
- Back
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Reason to believe? |
Say-so, seeing and experiencing, argument. |
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Scientists are supposed to be... |
Skeptical. |
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Extraordinary claim = |
Extraordinary evidence = |
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Ordinary claim = |
Something that happens often. |
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"Late for work cause car accident..." = |
Ordinary Claim |
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"Ran into ship from planet Vulcan"... = |
Extraordinary Claim |
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4 shared sources of knowledge? |
Authority, intuition, reason, sensory data. |
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Authority = |
Says so |
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Intuition = |
Feel so |
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Reason = |
Logical to |
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Sensory = |
See so |
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Copernicus argued: |
Heliocentric over Ptolemaic model |
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4 interactions in nature (strongest to weakest): |
Strong nuclear, electromagnetic, weak nuclear, Gravity |
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Strong and weak nuclear forces are: |
Short range |
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Electromagnetic and gravitational are: |
Long range |
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Quarks make up: |
Protons and neutrons |
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Force of one thing on another is always... |
The SAME |
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Uniform motion = |
Constant speed in a straight line. Motion isn't accelerated. |
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Ampere-- |
Parallel currents attract. Anti-parallel repel. |
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Columbus-- |
Magnetic N not exactly geographical N. |
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Coulomb-- |
Electrical force law. |
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Faraday-- |
Magnetism modeled as field lines. |
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Franklin-- |
Lightning is a big electrical effect. |
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Gilbert-- |
Earth is like a big magnet. |
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Milikan-- |
Oil drop exper, to determine electron charge. |
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Oersted-- |
Electricity affects compasses. |
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Thales-- |
Amber rubbed with fur attracts straw. |
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Thomson-- |
Negative charge less mass than positive. |
