LibreTexts Chemistry: Titration of Fruit Juices

Some citrus fruits taste more sour, and therefore are more acidic, than others. It is the purpose of this experiment to determine the total acidity of orange, lemon, grapefruit, white grape or lime juice. This procedure can be used to determine the total acidity of most natural fruit juices without further preparation.   We recommend … Continued

American Chemical Society: A Color Changing Liquid

Many kinds of berries and flowers contain a natural food colorant called anthocyanin. Watch as blueberry juice changes colors when mixed with different substances, and learn about the chemistry behind it!   This lesson can easily be done as a demo or mini-experiment with students.

Berry Ink Painting

Take a step back in time and allow students to create their own watercolor paints using berry juice! This lesson can be used to teach ratios as students mix water and different types of berry juice to create new colors!

Berry Ink Painting

Take a step back in time and allow students to create their own watercolor paints using berry juice! This lesson can be used to teach ratios as students mix water and different types of berry juice to create new colors!