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all of chappters
Question | Answer |
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circuit | a closed path that electric current follows is circuit. |
conductor | A material in which electrons are able to move easily is a condutor. |
electric current | movement of electric charges ina single direction is an electric current. |
insulator | a material in which electrons are not able to move easily. |
parallel circuit | contain two or more branches for current to move through. |
series circut | one kind of a circuit is called a series circuit |
atternatting current | the direction of current flowing in a circuit is constantly being reversed back and forth. |
diret current | unidirectional flow of electric charge. |
chemical change | when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more |
chemical properties | any characteristic of material that you can ovserce with out changing the identity of the substances that make up the material. |
compound | substance in which the atoms of two or more elements are combined in a fixed proportion. |
element | all substances are buit from atoms. if all the atoms in a substance have the same identity that substance is an element. |
physical change | a change in size shape or state of matter is called. |
physical properties | identity of the substances that make ujp the material. |
boyle's law | the ability of a fluid a liquid or a gas to exert an upward force on n object immersed. |
charles's law | |
pascal principle | |
bernoulli's principle | |
archimedes principle | |
kinetic theory |