Warm Up: Why do you think it is important to chew your food?
Vocabulary :
1. chemical breakdown – is when particles of food are broken down by chemicals
2. digestion – is the mechanical and chemical breakdown of food into smaller pieces
3. function – an object’s job or role
4. mechanical breakdown – is when food is physically broken into smaller pieces
5. model – a smaller or larger version of an object that is too small or too big to observe in a classroom
6. organ – a part of the body made of two or more types of tissue that performs a vital or natural function or job
7. surface area – the total area of the exposed surface of an object
Hypothesis: (Which tablet do you think will dissolve quicker a whole, broken in half, broken in fourths, or crushed? Why?)
Data: class created leave ½ page blank
Analysis Questions:
2.a. What part of digestion was modeled by breaking the tablet?
2.b.What part of digestion was modeled by adding vinegar?
3. How does the size of your food affect the speed at which chemical breakdown occurs? Explain how your conclusions are based on the data collected during your experiment, and whether your hypothesis was supported or disproved.
4. Were your conclusion based on qualitative or quantitative data? Explain.
5. Besides preventing choking, why is it important to chew your food?
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