Task 1: Measure the volume of liquid, powdered and solid substances with a graduated cylinder made of a PET bottle.


Cut the neck of a transparent PET bottle. Gradually fill it with the water of a known volume (e.g. 100 ml) and record the height of the level (Fig. 4).

Pic 7: a PET graduated cylinder

Measure the volume:

  1. 500g of water
  2. 500 g of sand
  3. 500 g iron weight
  4. wooden prism weighing 500 g