Pre-Activity
Describe how each of the following tastes:
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FOOD |
DESCRIPTION |
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Orange |
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Banana |
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Tomato |
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Celery |
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Grapefruit |
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Apple |
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Lemon |
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Reactions to Baking Soda (NaHCO3)
DO NOT EAT!
1. Obtain one slice of each of the following foods: lemon, tomato, celery, grapefruit, banana, orange, and apple. Lay them flat on paper towels, not in contact with one another.
2. Obtain a watch glass full of baking soda.
3. Sprinkle a small amount (a pinch) of baking soda on each slice.
4. Observe and record what occurs.
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FOOD |
OBSERVATIONS |
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Orange |
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Banana |
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Tomato |
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Celery |
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Grapefruit |
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Apple |
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Lemon |
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Why do you think the foods reacted with the baking soda?
What do the foods that reacted have in common?