1. Prepare 2 containers as shown above...you may use coloured water to attract pupils interest.
2. Different shape of containers may be useful to get pupils' previous knowledge . The pupils may be confuse to answer your questions because they might think that the higher level of water has the most volume of water.
Ask pupils a few questions.
3. Cut used mineral water bottle to make measuring cup as shown above. You may use it to measure volume of water in both containers at step 1.
4. You may use a beaker or measuring cylinder also to get better result.
