Across
- 3. The ratio of the useful energy delivered by a dynamic system to the energy supplied to it.
- 4. Energy associated with the flow of electrons.
- 9. A device that converts light into electricity.
- 11. Energy in transit.
- 14. A measure of power equal to one joule of work per second.
- 15. Energy from the sun.
- 20. A resource that cannot be replaced once used.
- 25. The process of controlling resources; for example, limiting soil erosion, reducing sediment in waterways, conserving water, and improving water quality.
- 27. Gas usually found within the vicinity of petroleum reserves.
- 30. A natural fuel such as coal or gas formed in the geological past from the remains of living organisms.
- 31. A resource that can be replaced when needed.
- 33. Any source of energy that is limited and cannot be replaced when it is used, such as oil, coal, and natural gas.
- 34. The potential energy locked within a system and released during a chemical reaction.
- 35. The flow of electrical power or charge.
- 36. can be neither created nor destroyed. There is a fixed amount of energy present in different forms that can be converted from one form to another, but energy does not go away.
Down
- 1. The first and simplest element on the periodic table. It is one of the most common elements in the galaxy.
- 2. Energy stored in the earth in the form of heat.
- 5. Energy visible to the eye.
- 6. The energy possessed by a body as a result of its motion.Law of Conservation of Energy
- 7. A system by which electrical power is delivered throughout a region.
- 8. Oil.
- 10. Thermal Unit) The heat equal to 1/180 of the heat required to raise the temperature of one pound of water from 32 degrees Fahrenheit to 212 degrees Fahrenheit at a constant pressure of one atmosphere.
- 12. Energy produced by mechanical devices, such as gears, pulleys, levers, or internal combustion engines.
- 13. The use of flowing water from waterfalls and dams to produce electricity.
- 16. An energy source that will never run out.
- 17. A result of a force moving an object a certain distance.
- 18. The energy that a piece of matter has because of its position or nature or because of the arrangement of parts.
- 19. A unit measure of work.
- 21. The phenomenon whereby the earth's atmosphere traps solar radiation, caused by the presence in the atmosphere of gases such as carbon dioxide, water vapor, and methane that allow incoming sunlight to pass through but absorb heat radiated back from the earth's surface.
- 22. Any significant change in measures of climate, such as temperature, precipitation, or wind, lasting for an extended period of a decade or longer.
- 23. The unit of energy or work in the MKS system of units, equal to the work done by a force of one Newton-meter.
- 24. A collection of wind turbines used to create electricity.
- 26. Refers to the use of resources in ways that prevent their being depleted or permanently damaged.
- 28. Plant materials and animal waste used especially as a source of fuel.
- 29. The power of the atom.
- 32. External surroundings.