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chapter 3___
Question | Answer |
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circuit | closed conducting loop through which an electric current can flow. |
conductor | material, such s copper wire, in which electrons can move easily. |
electric current | the net movement of electric charges in a single direction, measured in amperes |
insulator | material in which heat flows slowly. |
parallel circuit | circuit in which electric current has more than one path to follow. |
series circuit | circuit in which electric current has only one path to follow |
chemical change | change of one substance into a new substance. |
chemical properties | any characteristic of a substance, such as flammability, that indicates whether it can undergo a certain chemical change. |
compound | substance formed from two or more elements in which the exact combination and proportions of elements is always the same. |
element | substance with atoms that are all alike. |
physical change | any change in size, shape, or state of matter in which the identity of the substance remains the same. |
physical properties | my characteristic of a material, such as size or shape, that you can observe or attempt to observe without changing the identity of the material- |
boyle's law | |
charles's law | |
pascal principle | |
bernoulli's principle | |
archimedes principle | |
Kinetic theory | energy a moving object has because of its motion; depends on the mass and speed of the object. |