Chemistry - Changes in Matter - Evaporation and condensation - Where Did the Puddle Go?
A short 3-step mystery story for Grade 4 students. Scenario: 'You noticed a big puddle outside your school after rain. When you came back 2 hours later, the puddle was GONE! Where did the water go?' Choice 1: 'Someone mopped it up' → leads to 'But no one was seen cleaning... try again!' Choice 2: 'I