FREE Download: Hope Overflows Science Experiment

 Use this Hope Overflow Experiment activity with kids to spark discussion about overflowing joy. Watch a video to see how it works here.

Download Printable Instructions for Hope Overflows Activity

You’ll need:

• Empty plastic bottle
• 1 package active dry yeast
• Warm water
• Food coloring (optional)
• Liquid dish soap
• 3% hydrogen peroxide
• Measuring cups
• Measuring spoons
• Safety glasses
• Large tub or tray to catch overflowing foam
• Activity area suitable for spills (outdoors is perfect)

What to do:

1. Set the plastic bottle in the tub or tray.
2. Pour ½ cup hydrogen peroxide into the plastic bottle.
3. Add 4-5 drops food coloring to hydrogen peroxide. (optional)
4. Add 1 tablespoon liquid dish soap to the hydrogen peroxide.
5. Swirl the bottle to mix ingredients.
6. Add 1 package yeast to ¼ cup warm water and mix. Give the yeast about 5 minutes to activate.
7. Pour the yeast mixture into the bottle and watch it overflow!

(Watch a how-to video here.)

Afterward, discuss the following questions.

• What makes you overflow with joy?
• What are you looking forward to?
• In what ways does God help you be joyful?

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