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Spit Pick. Which substance might protect giraffes’ mouths the best?. Photos by Jon Whitney. You’ll Need. Cornstarch Baking soda Salt Three bowls Marker Masking tape Water Spoon Measuring spoons. Step 1. Measure 30 milliliters (2 tablespoons) of cornstarch.
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Spit Pick • Which substance • might protect giraffes’ • mouths the best? Photos by Jon Whitney
You’ll Need • Cornstarch • Baking soda • Salt • Three bowls • Marker • Masking tape • Water • Spoon • Measuring spoons
Step 1. Measure 30 milliliters (2 tablespoons) of cornstarch.
Step 4.Measure 30 milliliters (2 tablespoons) of baking soda.
Step 10. Add 25 milliliters (1 tablespoon plus 2 teaspoons)of water to each bowl.
Step 11. Stir each mixture well. Note the differencesin thickness for each one.