Terms : Hide Images
| 9753299545 | Qualitative | Of or concerning a trait or characteristic, property | 0 | |
| 9753300042 | Quantitative | Relating to or expressed as a specified or indefinite number or amount | 1 | |
| 9753300653 | Hypothesis | A tentative explanation that accounts for a set of facts and can be tested for further investigation | 2 | |
| 9753301139 | Chlorophyll | Any of a group of green pigments essential in photosynthesis | 3 | |
| 9753301688 | Density | The quantity of something per unit measure, especially per unit length, area, or volume. The mass per unit volume of a substance under specified conditions of pressure and temperature | 4 | |
| 9753302078 | Chemical Energy | that part of the energy in a substance that can be released by a chemical reaction | 5 | |
| 9753302437 | Potential Energy | The energy of a particle or system of particles derived from position, or condition, rather than motion. A raised weight, coiled spring, or charged battery has potential energy | 6 | |
| 9753303026 | Kinetic Energy | The energy possessed by a body because of its motion, equal to one half the mass of the body times the square of its speed | 7 | |
| 9753303372 | Nitrogen Cycle | The circulation of nitrogen in nature, consisting of a cycle of chemical reactions in which atmospheric nitrogen is compounded, dissolved in rain, and deposited in the soil, where it is assimilated and metabolized by bacteria and plants, eventually returning to the atmosphere by bacterial decomposition of organic matter | 8 | |
| 9753303970 | Carbon Cycle | The combined processes, including photosynthesis, decomposition, and respiration, by which carbon as a component of various compounds cycles between its major reservoirs: the atmosphere, oceans, and living organisms | 9 | |
| 9753304367 | Phosphorous Cycle | The movement of phosphorous atoms from rocks and soil through the biosphere and hydrosphere and back to soil | 10 | |
| 9753305853 | Solar Energy | Energy from the sun that is converted into thermal, chemical, or electrical energy | 11 | |
| 9753306203 | Photosynthesis | The process in green plants and certain other organisms by which carbohydrates are synthesized from carbon dioxide and water using light as an energy source. Most forms of photosynthesis release oxygen as a byproduct | 12 | |
| 9753306489 | Fermentation | Any of a group of chemical reactions induced by living or nonliving ferments that split complex organic compounds into relatively simple substances, especially the anaerobic conversion of sugar to carbon dioxide and alcohol by yeast | 13 | |
| 9753307005 | Low Quality Energy | Energy that is lost or cannot be used again | 14 | |
| 9753307014 | High Quality Energy | Energy that can be used or converted into something else | 15 | |
| 9753309398 | Spontaneous | Happening or arising without apparent external cause; self-generated. Arising from a natural inclination or impulse and not from external incitement or constraint. Unconstrained and unstudied in manner or behavior. Growing without cultivation or human labor; indigenous | 16 | |
| 9753310689 | Wind | Moving air, especially a natural and perceptible movement of air parallel to or along the ground. | 17 | |
| 9753310913 | Tornado | A rotating column of air usually accompanied by a funnel-shaped downward extension of a cumulonimbus cloud and having a vortex several hundred yards in diameter whirling destructively at speeds of up to 500 miles (800 kilometers) per hour | 18 | |
| 9753311269 | Latitude | The angular distance north or south of the earth's equator, measured in degrees along a meridian, as on a map or globe. A region of the earth considered in relation to its distance from the equator: temperate latitudes | 19 | |
| 9753311911 | Coriolis effect | The observed effect of the Coriolis force, especially the deflection of an object moving above the earth, rightward in the northern hemisphere and leftward in the southern hemisphere. | 20 | |
| 9753311912 | El Nino | unusual event caused by unusual WARM ocean temperatures | 21 | |
| 9753313235 | La Nina | unusual event caused by unusual COLD ocean temperatures | 22 | |
| 9753313891 | Nor'easter | A storm blowing from the northeast | 23 | |
| 9753315359 | Saffir/Simpson | ways to measure intensity of hurricane | 24 | |
| 9753315714 | Stratosphere | atmosphere above troposphere | 25 | |
| 9753316635 | Troposphere | lowest atmospheric layer | 26 | |
| 9753316640 | Ozone | a colorless gas (O3) that absorbs UV rays in the stratosphere | 27 | |
| 9753322715 | Anthropogenic | resulting from human activity | 28 | |
| 9753322716 | combustion | chemical change, especially oxidation, accompanied by the production of heat and light | 29 | |
| 9753323814 | fossil fuel | a hydrocarbon deposit (petroleum, coal, natural gas) derived from organic matter | 30 | |
| 9753325716 | acid rain | rain that contains acids (nitrogen and sulfur oxides) | 31 | |
| 9753330685 | pH scale | hydrogen-ion concentration within a certain substance. Determines acidity and alkalinity | 32 | |
| 9753332401 | UVA rays | UV ray that is least harmful/least energy | 33 | |
| 9753333282 | UVB rays | UV ray that is most harmful to humans | 34 | |
| 9753334905 | UVC rays | UV rays with most energy | 35 | |
| 9753337189 | CFC | molecule from aerosol cans that destroy the stratospheric ozone layer | 36 | |
| 9753338394 | Montreal Protocol | treaty to restrict CFC emissions | 37 | |
| 9753339081 | dissemination | scattered seeds | 38 | |
| 9753339813 | photochemical smog | air pollution produced by sunlight, nitrogen, and hydrocarbons | 39 | |
| 9753340550 | industrial smog | when sulfur dioxide emission and smoke particles react with water vapor | 40 | |
| 9753341715 | open burning | uncontrolled fires in an open dump | 41 | |
| 9753342421 | suspended particulate matter | a suspension or dispersion of fine particles of a solid or liquid in a gas | 42 | |
| 9753343000 | PM-10 | particulates that are less than 10 microns | 43 | |
| 9753354339 | carbon monoxide | colorless, odorless, highly poisonous gas | 44 | |
| 9753359255 | Volatile organic compound | chemicals that volatilize or evaporate | 45 | |
| 9753360632 | scrubbers | an air pollution device that sprays water/reactant to trap pollutant emissions | 46 | |
| 9753363523 | nitrogen oxides | major air pollutant, yellow and smelly | 47 | |
| 9753366932 | sulfur oxides | combination of sulfur and oxygen. can comes from industrial emissions | 48 | |
| 9753367928 | lead | heavy metal that is poisonous to humans. Found in old paints, pipes. Causes neurological damage | 49 | |
| 9753369754 | radon | a radioactive gas | 50 |
