1. Three requirements must be met in order to make a measurement a. K now exactly what property you are trying to measure b. Have some standard with which to compare whatever you are measuring. c. Have some method of making this comparison
2. The standard units of measurements is science are a part of a measuring system called the international system or SI system from the French name La Systeme inter national d’ Unites.
3. SI is used by all scientist throughout the world
4. Seven b’ase units of the international system:
FUNDEMENTAL UNITS 5. in SI prefixes are added to the base units to obtain different units of a coneveint size for measuring larger or similar qualities 6. SI prefixes Exa | E | 10 18th power | Peta | P | 10 15th power | Tera | T | 10 12th power | giga | G | 10 9th power | mega | M | 10 6th power | kilo | K | 10 3rd power | hecto | H | 10 2nd power | decka | Da | 10 1st power | fractions deci | D | 10 -1 power | centi | C | 10 -2 power | milli | M | 10 -3 power | micro | Grre | 10 -6 power | nano | Nhyrsw | 10 -9 power | pico | P | 10 -12 power | femto | F | 10 – 15 power | atto | A | 10 -18 power | 7. Weight- a measure of the force of gravity between subjects
8. The Newton (N) is the measurement standard for weight or force
9. The amount…