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3.1matter&energy,def
matter and energy
Question | Answer |
---|---|
Kinetic energy | Energy of motion |
Thermal energy | Total kinetic energy of a substances atoms |
Plasma | A state of matter that starts as a gas and then becomes ionized |
Solids | Definite shape, definite volume |
Liquids | No definite shape, definite volume |
Gases | No definite shape, no definite volume |
Kinetic theory | All matter is made of atoms and molecules that act like tiny particlesThese tiny particles are always in motion.The higher the temp. of a substance, the faster the particles moveAt the same temp., heavier particles move slower than lighter particles |
Change of state | The conversion of a substance from one physical form to another |