November 13th, 2015 The Outsiders by S.E. Hinton

Name:__________________________


Date:_____________________

Directions: WRITE YOUR ANSWERS IN COMPLETE SENTENCES! Choose the level that you feel you can successfully complete, but be brave and choose the level that challenges you!

Level#1: The mouth is the place where digestion begins. Food is broken down into smaller pieces by the teeth. Breaking, crushing, and mashing food are forms of mechanical digestion.

1. What begins in your mouth?




2. What do we use to break food down into smaller pieces in our mouth?



3. How do we mechanically digest food in our mouth?




Level#2: The mouth is the place where digestion begins. Food is broken down into smaller pieces by the teeth. Breaking, crushing, and mashing food are forms of mechanical digestion. An enzyme is a substance that changes the rate of a chemical reaction. When a chemical reaction happens in the digestive system, the process is called chemical digestion.

1. What begins in the mouth?




2. What do we use to break down food into smaller pieces in our mouth?




3. How do we mechanically digest food in our mouth?




4. What needs to happen for the process of chemical digestion to go on?





Level#3: The mouth is the place where digestion begins. Food is broken down into smaller pieces by the teeth. Breaking, crushing, and mashing food are forms of mechanical digestion. An enzyme is a substance that changes the rate of a chemical reaction. When a chemical reaction happens in the digestive system, the process is called chemical digestion. Teeth are covered in a hard material called enamel. They also have roots. The roots contain nerves and blood vessels. Humans have four types of teeth; canine, incisors, premolars, and molars.


1. What begins in the mouth?




2. What do we use to break food down in to smaller pieces in our mouth?




3. How do we mechanically digest food in our mouth?




4. When does the process of chemical digestion occur?




5. What are contained in the roots of  human teeth?








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