Baking is a tasty and fun hobby. Most people probably would not equate it with science, but the truth is, it can be used as a tool to teach certain concepts. Here are a few ways to teach science through baking activities to children of all ages. Not all of these provide final products to eat and enjoy, but they all deal with the science of baking and introduce your kids to the kitchen!

Teaching science to your elementary aged kids using these clever baking activities. So much fun to do science in your own kitchen and eat your results!

Younger Children

Quick Breads

Younger children are fascinated by cakes and muffins. These are what are referred to as quick breads. The raising (leavening) agent will often be baking soda. The mild acids in a second ingredient, milk, are enough to trigger a reaction and make the dough rise. This is an example of the reaction of an acid to an alkaline substance.

Baking powder will also make quick breads rise. It is baking soda with some added ingredients, cream of tartar and cornstarch. The baking soda is a base and the cream of tartar is an acid, so it can be used in a range of recipes where acid might not otherwise be present. Baking powder makes cakes rise through the release of carbon dioxide gas.

Learning about Ph

The Ph (Potential Hydrogen) scale goes from 1 to 14, with 7 being neutral, 1 to 6 acidic, and 8 to 14 alkaline. Ph can be measured using litmus paper, so kids can test small amounts of common items in the kitchen to see which are which. You may be surprised by how acidic some of your favorite candies are! (Now you know why you should brush your teeth.)

You can also make your own Ph paper. To do this, boil chunks of purple cabbage in distilled water. Let it cool, and dip coffee filter paper in the liquid. Once the coffee filter paper is dry. Put drops of various liquids on the paper to see it change colors according to the Ph of the liquid. Acidic liquids, like lemon juice, will turn the filter paper red. Bases, like soaps or baking soap, will turn the paper green.

Measuring

All science is about precision. In baking in particular, children need to learn to measure things accurately in order for the recipe to come out well. They will learn basic measurements like cup, teaspoon and tablespoon. Why not make some chocolate chip cookies?

Older Children

Yeast-raised breads are a challenge for all cooks, and a fascinating science experiment too. You can start with a simple experiment, blowing up a balloon using yeast, to illustrate how yeast makes bread dough or pizza dough rise.

Blowing Up a Balloon with Yeast

This is a fun way to blow up a balloon! You will need the following items.

  • A packet of active yeast
  • A small, clean, clear, plastic soda bottle (16 oz.)
  • teaspoon sugar
  • Some warm water
  • A small balloon that will fit over the mouth of the bottle

Fill the bottle up with about one inch of warm water. Add the yeast and swirl the mixture around. Add the sugar next. The warmth activates the living organism, the yeast, and the sugar feeds it. Now the yeast’s digestive system will start producing gas, which makes dough rise. Place the balloon over the neck of the bottle and put the bottle in a warm place. Within about 15 to 20 minutes, the balloon should start to inflate.

Pizza Dough

Once children have seen the way yeast works, they can learn to make their own pizza dough. The main considerations are that the water can’t be too hot, and the dough needs to rise in a warm place. Making a pizza just as your kids likes it means everyone is happy! You can make a few mini-pizzas if you’d like in this case. My son can finally get his pineapple pizza without the ham!

Experimental Mini-cakes

This will involve some waste, but is valuable lesson in how certain ingredients affect recipes, and how important it is to follow baking instructions carefully. You will need 4 small greased ramekins for baking. Then you’ll need the following measured ingredients for each cake (with the exceptions below).

  • 6 tablespoons flour
  • 3 tablespoons sugar
  • 1 pinch of salt
  • 2 or 3 pinches of baking powder
  • 2 tablespoons milk
  • 2 tablespoons cooking oil
  • 1/4 teaspoon vanilla
  • 1/3 of an egg (Break egg into a cup; beat until mixed, then use approximately one third of it. Save the rest for 2 of the other cakes)

Students will make four different batches of batter, with a difference. Make cake #1 exactly as instructed. Label it 1. Make #2 exactly the same, except leave out the oil. Label it 2. Make #3 exactly the same, except this time, leave the egg out. Label it 3. Make #4 exactly the same, except leave the baking powder out. Label it 4.

Place the ramekins on a baking sheet, keeping track of which is which, and bake them in a 350 F oven for 15 to 20 minutes. Remove from the oven and cool briefly. Using a spoon, check the texture and taste of each cake. They can all be eaten, but eggs help hold recipes together and make them rise. Oil keeps cakes moist. Baking powder makes cakes rise.

Try these ideas, which are sure to provide hours of educational entertainment for your kids.

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Teaching science to your elementary aged kids using these clever baking activities. So much fun to do science in your own kitchen and eat your results!

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