Term
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Definition
| The solid outer layer of the earth. Consists of the crust and rigid upper part of the mantle. |
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Definition
| continual movement of water betwen the earths surface and the atmosphere through evaporation and precipatation |
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Definition
| organisms in a given area combined with biotic and abiotic factors in whitch they interact |
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Definition
| anything that has mass and takes up space |
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Definition
| smallest particle of an element |
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Term
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Definition
| particles that make up an atom |
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Definition
| the mass of one mole of an atom |
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Definition
| the amount of matter in an object |
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Term
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Definition
| potential position of an electron in its orbit around an atom |
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Term
| Newtons 1st Law of Motion |
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Definition
| an object at rest tends to stay at rest unless force is placed upon it |
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Term
| Newtons 2nd Law of Motion |
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Definition
| relationship between an objects mass (m), acceleration (a) and applied force (f) is F=ma |
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Term
| Newton's 3rd Law of Motion |
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Definition
| for every action there is an equal and opposite reaction |
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Term
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Definition
| objects speed and direction is the objects direction of motion |
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Term
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Definition
| the change in velocity divided by time |
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Term
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Definition
| quantity that has both a magnitude and a direction |
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Term
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Definition
measurment of the rate of motion
speed=distance/time |
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Term
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Definition
| sum of all forces acting on an object |
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Term
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Definition
| developed by Alfred Wegner to describe the movement of the earths crust |
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Term
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Definition
| layer of hot rock between earths crust and core |
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Term
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Definition
| movement of particles dur to the differences of temperature and density |
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Term
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Definition
| source of energy for 99% of all life on earth |
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Definition
| process that are carried out by living organisms |
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Definition
| abiotic processes that help to shape the earth |
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Term
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Definition
| period of time that included the physical formation of earth through present day |
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Term
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Definition
| change over time in an atom due to loss of atomic particles and/or energy |
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Term
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Definition
| the use of cross-comparisons of rock layers to establish older and younger rock layers |
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Term
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Definition
| perodic rise and fall of water levels due to gravitational attraction of the sun and the moon acting on the earth |
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Term
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Definition
| 1st phase of the moon cycle where no moon is visable |
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Term
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Definition
| first half of the moon cycle where the moon is moving from new to full |
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Term
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Definition
| last half of the moon cycle where the moon is moving from full to new |
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Term
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Definition
| half way through the lunar cycle where the entire moons surface is visable |
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Term
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Definition
| when the visable surface of the moon is larger than half but not full |
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Definition
| when the visable surface of the moon is a small sliver |
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Definition
| radiant energy from the sun |
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Definition
| sequence of physical changes that occur over time in the history and future of galaxies and the physical universe as a whole |
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Definition
| any of numerous clouds of gas or dust in interstellar space |
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Definition
| a celestial body made of hot gases in which nuclear fusion occurs from which energy is radiated |
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Definition
| collection of astronomical objects revolving around a common point |
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Definition
| movement of the contental plates on the earth's crust |
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Term
| Convergent plate boundary |
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Definition
| continental plates moving toward each other |
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Term
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Definition
| plates that are moving away from each other |
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Term
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Definition
| plates that are moving by (horizontally) each other |
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