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19 Cards in this Set
- Front
- Back
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Matter |
any physical substances that has mass and occupies space (volume) |
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Energy |
the ability to do work |
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Atom |
smallest particle that still exhibits the characteristics of its elements |
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Proton |
positively charged, located in the nucleus |
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Electron |
negatively charged, orbits the nucleus |
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Neutron |
neutral, located in the nucleus |
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Molecules |
when atoms form chemical bonds with eachother |
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Potential Energy |
stored energy; can exist as the result of position or chemical structure |
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Kinetic Energy |
energy in motion |
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Wavelengths of Energy |
radio, microwave, infrared, visible, ultraviolet, x-ray, gamma ray |
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Ultraviolet |
able to penetrate living tissue; causes skin damage |
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Visible |
range of wavelengths we can detect with our eyes |
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Infrared |
heat energy |
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Photosynthesis |
6 CO2 + 6H2O → C6H12O2 + 6O2 |
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Cell Respiration |
C6H12O6 + 6O2 + 6H2O → 12H2O + 6 CO2 |
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Laws of Thermodynamics |
1- energy cannot be created or destroyed, it only changes form 2- during each transformation, some energy is given off in the form of heat |
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Producers |
absorb energy from the sun |
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Consumers |
ingest other organisms (primary -> secondary -> tertiary) |
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Decomposers |
break down dead or decaying matter |
