Dietz Glossary
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Created by:
Aaronarcade on August 17, 2012
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Description:
Glossary for Mr.Dietz's class
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19 terms
Terms | Definitions |
|---|---|
 Absolute zero | the temperature at which no thermal energy can be removed from matter |
| Acceleration | the rate at which velocity changes |
| Acid | a hydrogen ion (H+) donor |
| Accuracy | how close a measurement is to the true or accepted value |
| Activation energy | is the minimum amount of energy needed to start a chemical reaction |
| Air resistance | the fluid friction that objects encounter falling through air |
| Alcohol | a substituted hydrocarbon that contains one or more hydroxyl group |
| Alkanes | hydrocarbons that contain only single bonds |
| Alkenes | hydrocarbons that have at least one double bond |
| Alkynes | hydrocarbons that have at least one triple bond |
| Alloy | a mixture of solids with at least one being a metal |
| Alpha particle | consists of two protons and two neutrons emitted by the nucleus during radioactive decay |
| Amine | a substituted hydrocarbon that has a nitrogen atom bonded to two hydrogen atoms attached to a carbon atom, this group is represented as -NH2 |
| Amino acid | a molecule with a carboxyl group in one end and an amine group on the other |
| Amorphous solids | have more regular pattern on one end and an amine group on the other |
| Amplitude | the maximum distance that matter particles in a crest or trough is from the particles' rest position |
| Amplitude modulation (AM) | is a method of transmitting radio wave signals by changing this |
| Anabolism | forming more complex molecules from simpler molecules |
| Anion | a negatively charged ion |
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