1. measure
2. Effects
   1. makes things hotter
   2. most substances expand in size
   3. change the state of most substances
      1. solid
      2. liquid
      3. gas
   4. chemical changes in some substances
3. Definition
   1. Heat
      1. Energy
      2. Joules
   2. Temperature
      1. Measure of hottness
         1. types
            1. Celsius
            2. Kelvin
      2. High temprature might be little energy
         1. Sparkler