| A | B |
|---|
| Heat | form of energy made by the motion of molecles |
| molecules | tiny particle of matter that is always in motion |
| energy | the movement of molecules |
| heat transfer | the transfer of heat frome somthing warmer to something coolder |
| conduction | heat transfer by derect contact with molecules |
| convection | heat transfer in liqid and gass |
| radiation | heat transfer throgh space |
| conductor | something that transfers heat easily |
| insulater | perventino of heat loss by reducing the heat transfer |
| kinetic energy | energy of motion |
| thermometer | it helps tell the temperatur |
| absolute zero | the point at whitch molecules stop |
| specific heat | ability to absorb heat energy |
| calormeter | insterment used to measer the heat frome a chemical reaction |
| potental heat | energy stored in a substance |
| phase change | cange of matter solid, liquid to gass |
| heat of fusion | amount of heat used to change phases |
| heat of vapoization | amountof heat needed to tern liquid to gass |
| freezing point | point at whitch a substance freezes |
| boiling point | point at whitch a substance boils |
| thermal expansion | exspansion of a substance deu to heat |
| bimetallic strip | consists of two metals |
| neon lights | prduced when electrons flow through a glass tube filed with gass |
| photon | particles carrying energy that makes light |
| plane mirror | flat reflecting surface |
| regular reflection | light bouncing back off of a flat surface |
| focal point | location at whitch light rays reflect off of a mirror meet |
| opaque | material that doesnt transmit light |
| lens | lens in any transparent material that reflects light |
| polarized light | light in whitch all waves are vibrating in the same direction |
