Acids and bases are classes of materials that have different properties. Acid-base indicators change color depending on whether they are in acids or bases. Blueberries contain a substance called ...

A recent video of Robert Francis Kennedy Jr., aka RFK Jr., adding a blue-coloured liquid to his drink went ... seemingly mystified by RFK Jr.'s blue-colored addition to his drink, with many ...

Students will mix these liquids with water that has been colored blue to see if the liquids have a characteristic way of mixing with water. Students will use their results to identify an unknown ...