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Kubian 8th gr
Thermal Energy
| Question | Answer |
|---|---|
| Thermal Energy is: | the SUM of all kinetic and potential energy of the particles in a sample of matter |
| Temperature is: | a measure of the AVERAGE kinetic energy of the particles in a sample of matter |
| Potential energy is: | stored energy |
| 3 types of potential energy: | gravitational potential energy; chemical potential energy; elastic potential energy |
| The SI unit for thermal energy is: | Joule |
| Thermal energy flows from: | Hot to cold |
| Kinetic theory is: | an explanation of how particles behave in matter |
| Kinetic energy is: | energy of motion |
| Particles generally move faster when ___(1)_____ and move slower when _____(2)_________ | (1)heated; (2)cooled |
| Matter generally expands when: | heated |
| Matter generally contracts when: | cooled |
| You will need to label the diagram with the states of matter using these terms: | Sublimation, melting, freezing, evaporation, condensation, deposition |
| What is matter? | Anything that has mass and volume |
| The "building blocks" of matter: | Atoms |
| Conservation of Energy: | Energy can neither be created nor destroyed, only changed from one form to another |
| Thermal resistors are: | materials that resist the flow of thermal energy |
| Convection: | transfer of thermal energy in a fluid, liquid or gas by the movement of the fluid from place to place |
| Particle of matter move __________ when heated | faster |
| Matter ____________ when heated | expands |
| Three main subatomic particles: | proton, neutron, electron |
| Conduction: | the transfer of energy between colliding particles |
| Atoms possess this because they are always in motion: | Kinetic energy |
| Specific heat is: | amount of energy required to raise the temperature of 1 gram of substance 1 degree celcius |
| know the parts of an experiment | independent variable, dependent variable and control variable |
Created by:
maplelakesped
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