Instruction:
1. Wear your goggles and ask your parents to chop a onion in front of you
2. Write down in the comments space what your reaction was? and why you think this is
To Linda: This shows the students that the respiratory system is connected to the sinus. Because the onion fumes actually turn to sulfuric acid when it comes into contact with water, it can irritate the eyes and make the student cry.
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