| Term | Definition |
|---|
| absorption | the process by which an object takes in, or absorbs, light p115 |
| amplitude | The height of the wave |
| classification | the act of distributing things into classes or categories of the same type |
| commensalism | the relation between two different kinds of organisms when one receives benefits from the other without damaging it |
| consumer | an organism that obtains energy by eating other organisms |
| decomposer | eats and breaks down dead matter |
| solar eclipses | when the moon is directly between sun and earth |
| lunar eclipses | when earth is directly between the sun and the moon |
| energy transformations | When one form of energy changes to another form of energy. |
| extinction | when all the members of a species die out |
| food web | interconnected group of food chains |
| forms of energy | includes chemical, mechanical, electrical, nuclear, kinetic, potential, solar, wind, light, heat, includes chemical, mechanical, electrical, nuclear, kinetic, potential, solar, wind, light, heat |
| fossils | remains, imprints, or traces of once-living organisms |
| frequency | is the # of waves per unit of time measured in hertz. |
| heat flow | the movement of heat energy |
| mutualism | both species benefit from their relationship |
| nuclear power | the use of controlled nuclear reactions to produce steam, which in turn drives turbines to produce electricity |
| parasitism | when 1 gets a benifit and other gets hurt. |
| producer | can make their own food |
| reflection | When light bounces off a smooth shiny surface. |
| refraction | bending of a light ray as it passes from one substance to another |
| relative age | the age of rock compared to the ages of other rocks |
| sedimentary rocks | rocks that are formed in layers |
| tides | The rise and fall of water in the ocean and seas caused mainly by the gravitational pull of the moon on the Earth. |
| waves | rythmic disturbanse that transfers energy through matter(matter vibrates) |
| wavelength | The distnace between two crests or two troughs |
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