Objective

By the end of this lesson, you will be able to understand basic arithmetic concepts through the fun activity of making bath bombs.

Materials and Prep

Materials needed: Baking soda, citric acid, cornstarch, Epsom salt, food coloring, essential oils, water, mixing bowl, molds, and measuring spoons. No prior knowledge required.

Activities

1. Mix It Up: Measure and mix the dry ingredients (baking soda, citric acid, cornstarch, and Epsom salt) in a bowl.

2. Add Some Color: Divide the mixture into smaller bowls and add different food coloring to each bowl. Mix well.

3. Scent-sational: Add a few drops of different essential oils to each colored mixture and mix thoroughly.

4. Mold Magic: Pack the mixtures into molds and let them dry for a few hours or overnight.

Kindergarten Grade Talking Points

• "We are going to mix some special ingredients together to make bath bombs. It's like a magic potion!"
• "Now we get to add colors to our mixtures. What color do you want your bath bomb to be?"
• "Let's make our bath bombs smell nice by adding some special oils. What scent do you like the best?"
• "We are going to press our mixtures into molds to give them their fun shapes. What shape do you want your bath bomb to be?"