Physics Summary
- 1Density is mass per unit volume
- 2States of matter are four: Solids, Liquids, Gases, and Plasma
- 3Plasma is called the fourth state of matter, which is the ionized state of matter
- 4Thermometry is the branch of physics that deals with temperature measurements
- 5Temperature is the measure of degree of hotness or coldness of a body
- 6Thermometer is a device used to measure temperature
- 7Heat is a form of energy transferred between bodies due to temperature differences