Bravo! Teeth
I. Preparation

1. Each student takes a mirror with him/her.
2. Teacher prepares an enlarged book.
3. A tooth model
4. Cookies and dried seaweed
5. Pebbles and drawing papers
6. Jotting down how many teeth are being used for chewing chicken at lunch and their chewing motions.

II. Teaching activities
A. Take a look at the teeth
  1. Everyone takes out a mirror and observe the shapes of their teeth.
2. Draw their teeth according to their observations.
3. Think of anything in their daily lives that shape like their teeth. Write down these things and their functions.
B. A game
  1. Ask students in groups to look for pebbles that look like the teeth they draw.
2. When students hear the teacher¡¦s whistle, they have to come back to class.
3. Students follow the teacher¡¦s instructions to place their pebbles on the picture.
4. Make a comparison to see who has found more pebbles shaping like the teeth drawn.
C. Names of the teeth
  1. Teacher use the tooth model to explain how many teeth one has and each tooth has its own place, shape and name.
2. Pop quiz: name any of the teeth and ask students to write it down and draw a picture of it.
3. Ask students to present their pictures. They have to explain the teeth they drew and what the things like teeth are used for.
D. What are teeth used for?
  1. Ask students to have a bite of a cookie. Then grind it into small particles.
2. Ask students which teeth are used for biting and which for grinding.
3. Ask students to mimic how they eat chicken.
4. Teacher demonstrates the chewing one more time.
5. Ask students to name what teeth are being used in the cases of the teacher and themselves.

III. Summary
1. Teacher explains what teeth are used for eating cookies and their functions.
2. With the chicken chewing experience, Teacher uses a tooth model to explain the functions of incisors, canines and molars.
3. Ask students to think of what animals use canines more and what animals use incisors and molars more. And why?
IV. Wrapping up
1. Collect the pictures of students and put them on the bulletin board.
2. Use five minutes for a Q&A on the functions of the teeth.
3. Ask students to think what causes toothache and what to do about tooth care.