True of False - if false give the correct statement
1. The unit of length in FPS system is foot
2. The unit of mass in CGS system in kilogram
3. Heat is a physical quantity that expresses the degree of hotness or coldness of a substance.
4. Heat removed from a substance will lower its temperature.
5. In thermometer, boiling point of water (100° C) is taken as upper fixed point.
6. Normal temperature of the human body is between 98.4° C and 98.6 ° C.
7. Voltmeter is a device used to measure electric current.
8. The super conductor are used to levitate trains from the track.