activity

It might feel like you’re mixing potions, but this colorful experiment is definitely chemistry!

safety
  • Uses the stovetop
difficulty
  • Beginner
time
  • 45 minutes

hey curious cook—

Have you heard about our Young Chefs’ Club? Members get a themed (and kid-tested) box delivered each month!

Prepare Ingredients

4 cups
water
1
butterfly pea flower tea bag
1 teaspoon plus ¼ cup
lemon juice, squeezed from 2 lemons, measured separately

Gather Equipment

Liquid measuring cup
Small saucepan
Rubber spatula
3
clear, tall drinking glasses
Sticky notes or masking tape
Marker or pen
1
 
1 cup
water

Add 1 cup water to small saucepan. Bring to boil over high heat. Turn off heat and carefully slide saucepan to cool burner.

 
2
 
1
butterfly pea flower tea bag

Add butterfly pea flower tea bag to saucepan and use rubber spatula to gently press and swirl teabag in water. Let sit for 30 minutes.

 
3
 

While liquid cools, line up 3 clear drinking glasses on counter. Use sticky notes and marker to label counter in front of glasses as “only water” in front of left glass, “1 teaspoon lemon juice” in center, and “¼ cup lemon juice” on right.

 
4
 

Add 1 cup water to each glass. Add 1 teaspoon lemon juice to center glass and ¼ cup lemon juice to right glass.

 
5
 

Use rubber spatula to remove tea bag from saucepan. Discard tea bag. Use liquid measuring cup to add ¼ cup butterfly pea flower tea to each glass. Observe what happens to color in each glass.