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7.6 B Chemical/Physical

Authored by Anastacio Gaytan

Chemistry

7th - 8th Grade

Used 1+ times

7.6 B Chemical/Physical
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2 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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A student listed how different parts of the body work to aid in the digestion of food.

Which of the following is a chemical change that occurs to the food?

The reduction in size of food particles as food is chewed

The movement of food to the stomach after food is swallowed

The breakdown of molecules of food by enzymes and acid in the stomach

None of the above

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Many processes occur in the digestive system. Which process is best classified as a physical change?

Salive converting the starch molecules in crakers into simple sugars

Digestive enzymes breaking down proteins into smaller fragments

Bacteria converting lactose into simple sugars in the intestines

Teeth grinding an almond into smaller pieces in the mouth

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