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13 Cards in this Set
- Front
- Back
- 3rd side (hint)
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The temperature at which an object's energy is minimal.
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What is absolute zero?
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-273.15 degrees C/ -459.67degrees F
having no thermal energy |
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The change in velocity divided by the time interval in which the change occurred.
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What is acceleration? (259)
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"pedal to the metal"
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The extent to which a measurement approaches the true value.
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What is accuracy?
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Conforming closely to a standard.
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A substance that donates protons, H, to form hydronium ions, H3O, when dissolve in water.
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What is an acid?
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turns litmus paper red, forms salts by reactiing with bases or metal & tastes sour.
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Any precipation that has an unusually high concentration of sulfuric or nitric acids resulting from chemical pollution of the air. (199)
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What is acid rain?
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causes death of fir trees in higher elevations
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A large body of air with uniform temperature and moisture content.
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What is an air mass? (613)
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small horizontal variations of pressure, temperature, and moisture
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The organic nutrients which contain carbon, hydrogen, and oxygen.
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What are carbohydrates? (134)
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Provides nutrients to cells of living things, made of glucose, ex. starchy foods
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The negative terminal of a battery.
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What is a cathode? (5)
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got its name from the rod connected to the negative terminal of the electricity source, color coded black
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The point on a body where all weight is equally balanced all around; the point where gravity seems to pull.
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What is the center of gravity? (?)
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a point at or near the body where the gravitational potential energy is equal to that of a single particle of the s ame mass located at that point and through which the gravitational forces on the componet particles of the body acts
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The endergy created in a chemical reaction. (151))
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What is chemical energy? (151)
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The total energy before the reaction is always equal to the total energy of the products and their surroundings. Energy can neither be created nor destroyed - "law of conservation of energy"
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The study of matter and the changes matter undergoes.
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What is chemistry? (38)
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"what things are made of and how things change"
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A closed loop path of conduction through which an electric current flows.
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What is a circuit? (446-452)
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electrical device connected so that it provides one or more complete paths for
the movement of charges, series or parrallel |
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The attraction between particles of the same substance.
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What is cohesion? (?)
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to cling together
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