PH

In this intriguing session, we continue our detective journey, diving into the mysteries of the PH scale and secret inks! We'll explore the PH scale, discovering how it helps us tell the difference between substances like lemon juice and toothpaste. But that's not all - we're conducting two hands-on experiments, testing the PH scale with everyday items and revealing hidden messages with secret ink. Get ready to put your detective cap back on and join us on this investigative adventure!