| A | B |
|---|
| absorption | the transfer of energy carried by light waves to particles of matter |
| wave | a disturbance that transmits energy through matter or space |
| biotic | the living part of the environment |
| abiotic | the non-living part of the environment |
| consumer | an organism that eats producers and other organisms |
| solar eclipse | when the shadow of the moon falls on the Earth |
| lunar eclipse | when the shadow of the Earth falls on the moon |
| adaptations | a characteristic that helps an organism survive and reproduce in its environment |
| food web | a complex diagram representing the many energy pathways in a real ecosystem |
| heat flow | thermal energy is transferred from hot to cold |
| conduction | the transfer of thermal energy from one substance to another by direct contact |
| convection | the transfer of thermal energy by the movement of a liquid or a gas |
| radiation | the transfer of thermal enrgy through matter or space |
| nuclear power or nuclear energy | the form of energy associated with changes in the nucleus of an atom |
| producer | organisms that make their own food, usually by using the energy from sunlight to make sugar |
| refraction | the bending of a wave as it passes at an angle from one medium to another |
| seasons | climate changes that are due to the tilt of the earth on its axis as it revolves around the sun |
| sedimentary rock | rock formed from consolidated clay segments |
| wavelength | the distance between one point on a wave and the corresponding point on an adjacent wave in a series of waves |
| levels of organization | organism, population, community, ecosystem, biosphere |
| mutualism | a symbiotic relationship in which both orgainsm benefit |
| decomposer | an organism that gets its energy by breaking down the remains of dead organisms |
| energy | the ability to do work |
| extinction | describes a species of organism that had died out completely |
| forms of energy | thermal, chemical, electrical, sound, light, nuclear |
| thermal, chemical, electrical, sound, light, nuclear | forms of energy |
| frequency | the number of waves produced in a given amount of time |
| commensalism | the symbiotic relationship in which one organism benefits and the other in unaffected |
| parasitism | a symbiotic relationship in which one organism benefits while the other is harmed |
| reflection | the bouncing back of a wave after it strikes a barrier or an object |
| relative age | the age of an object determined by object or events |
| tides | daily movement of ocean water |
| amplitude | the maximum distance a wave travels from its rest position |
