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test review
n/n
9
Science
8th Grade
03/08/2011

Additional Science Flashcards

 


 

Cards

Term
define conduction
Definition
heat is trnsferred from one particle of matter to another without the movement of the matter.
Term
what the formula for mechanical
Definition
mechanical energy=potential energy+kinetic energy
Term
define thermal energy
Definition
it is the tatol energy of all of the particles in a object
Term
define thermal exansion
Definition
the expansion of matter when it is heated
Term
calculate the amount of kinetic energy is in a object,if the potential energy is 5,000(j) and the mechanical energy is 9,000(j)
Definition
4,000(j)
Term
compare and contrast,radiation and convection
Definition
Convection is the transffer of heat in a fluid throug currents.Radiation is the transfer of energy as electromagnetic waves.
Term
comare and contrast kinetic and potential energy(povide two examples for each section)
Definition
Kinetic is the energy that a object has.bec it moving potential energy is energ in an object.bec of it poiting or shape
Term
perdict how the water is pot starts to boil? how does it get its energy?
Definition
cause of the convection currents warmer water riscs, and cooler water sinks.
Term
predict what happens to the sidewalk during the summer time in relation to thermal energy and particle movement.
Definition
if the sidewalk dont expacion than the sidewalk will crack
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