Make a baking powder mixture by placing 1/4 teaspoon of cream of tartar, 1/4 teaspoon of baking soda, and 1/4 teaspoon of cornstarch and in a cup. Use a popsicle stick or plastic spoon to thoroughly ...
You can make your own baking powder by combining 15ml/1tbsp bicarbonate of soda with 30ml/2tbsp cream of tartar. Measure carefully as too much or too little can upset a recipe’s balance.
Students add laundry detergent powder (a base) and cream of tartar (an acid) to the indicator and see that the two solids cause different color changes. Students recognize that a particular color ...