Kitchen Science projects

18 projects for age 5 · page 2 of 2

Citric acid and baking soda are dry until they hit the wet on your tongue — then they fizz (that same gas reaction!).

Fizzy bubbles cling to the rough raisins and lift them up; at the top the bubbles pop and they sink - over and over.

Lemon juice browns faster than plain paper when warmed, revealing the writing - a gentle heat reaction.

Salt makes ice melt at a colder temperature, pulling heat from the cream so it freezes.

A chemical reaction: an acid (vinegar) and a base (baking soda) make carbon dioxide gas, which is the fizzy foam.

Yeast is alive — it eats sugar and burps gas that makes the dough rise.

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