scientific activity

scientific activity

1. scientifin method

   • 1) observaton
     • 2) search for information
       • 3)hypothesis
         • 4)experimentation
           • 5) analysis of results
             • 6) conclusion

2. measurement

   • DIRECT MEASUREMENT
     • for example a length
   • INDIRECT MEASUREMENT
     • for example a m2

3. scientific notation

   • it would be necessary to write a large number of zeroes on the left or on the right of the decimal point
     • example: 1,5X 10m

4. conversion factors

   • to change from a unit to one of its multiples or submultiples
     • example: 4km=4X10(3)

5. measuring instruments

   • measuring lengths
   • measuring masses
   • measuring volumes of liquids
   • measuring times
   • measuring temperatures

6. hazard symbols and warnings

   • corrosive
   • inflamable
   • toxic
   • oxidant
   • explosive
   • irritant