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Spit Pick

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

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  1. Spit Pick • Which substance • might protect giraffes’ • mouths the best? Photos by Jon Whitney

  2. You’ll Need • Cornstarch • Baking soda • Salt • Three bowls • Marker • Masking tape • Water • Spoon • Measuring spoons

  3. Step 1. Measure 30 milliliters (2 tablespoons) of cornstarch.

  4. Step 2. Pour the cornstarch into a bowl.

  5. Step 3. Label the bowl “cornstarch.”

  6. Step 4.Measure 30 milliliters (2 tablespoons) of baking soda.

  7. Step 5. Pour the baking soda into a second bowl.

  8. Step 6. Label the bowl “baking soda.”

  9. Step 7. Measure 30 milliliters (2 tablespoons) of salt.

  10. Step 8. Pour the salt into a third bowl.

  11. Step 9. Label the bowl “salt.”

  12. Step 10. Add 25 milliliters (1 tablespoon plus 2 teaspoons)of water to each bowl.

  13. Step 11. Stir each mixture well. Note the differencesin thickness for each one.

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