The third in our series of science experiments. These are a great way to explore the world around you - and for some schools an experiment for the science fair is mandatory. At a loss for ideas? Here's another one to test. We often refer to orange juice, lemon juice, or tomato products as ‘acidic’ but do you (or your child) really know what that means?  If there are acidic items in our kitchen what do we call those items that are NOT acidic?  The acidity of a liquid is measured on a ... Continue Reading