Baking Soda Ghost Balloon Experiment You Will Need: 1 empty plastic bottle (water or soda bottle works best) 1 balloon (white or glow-in-the-dark works great for a “ghost”) 1–2 tablespoons baking soda ½ cup vinegar Funnel or small spoon Black marker (to draw ghost face) Optional: Glow stick liquid or LED light for glowing effect Tray or plate (to catch spills) Instructions: Create Your Ghost Balloon: Use a black marker to draw a cute or spooky ghost face on the balloon. (Optional) Crack and shak