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godblessamerica
Solar Energy
| Question | Answer |
|---|---|
| condensation | the process by which a gas changes to a liquid state |
| contaminant | something that makes a substance impure |
| controlled experiment | an experiment that test only one variable at a time. Two setups are tested side by side and are identical except for the variable being tested |
| dissolve | to cause to pass into solution |
| distillation | the process of separating a pure liquid from a solution by evaporation and condensation |
| electrical energy | energy provided by the flow of electrons; movement of electric charge through matter |
| absorb | to take in |
| energy | the ability to do work |
| energy receiver | an object to which energy is transferred |
| energy source | an object that provides or transfers energy |
| energy transfer | the movement of energy from an energy source to an energy receiver |
| evaporation | the process by which a liquid changes to a gaseous state |
| heat exchange | the transfer of heat from a warmer object or substance to a cooler object or substance |
| insulation | a material used as a barrier to heat exchange |
| photosynthesis | the process by which plants use chlorophyll to trap solar energy to combine carbon dioxide from the air with water from the soil to make their own food |
| reflect | to throw or bend back from a surface |
| reflector | a device used to bounce back and redirect solar energy |
| solar cell | a device that converts solar energy to electrical energy |
| solar collector | a device used to collect solar energy and convert it to either electricity or heat |
| solar energy | energy from the sun |
| solar still | a device that captures solar energy and uses it to distill a liquid |
| solution | gas, liquid, or solid of a homogeneous mixture (components are uniformly mixed together and the different parts are not visible); for example a liquid mixture formed when a substance (such as salt) dissolves in a liquid (such as water) |
| terrarium | a container of land plants and/or animals |
| variable | a changeable factor or condition that the experimenter causes to change and tests in a controlled experiment. |
Created by:
ctalley
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