Available Answers

1. 1.

   Fill in the blanks.

   1. There are two sets of teeth-temporary and ____________________.
   2. Eating too many sweets causes tooth ____________________.
   3. Disease-causing microbes are called ____________________.
   4. ____________________ and typhoid are caused by bacteria.
   5. ____________________ are used to make bread soft.
2. 2.

   Name the following.

   1. Four kinds of teeth.
   2. Three layers of a tooth.
   3. Four conditions that help microbes to grow.
   4. Four kinds of microbes.
   5. Four diseases caused by microbes.
3. 3.

   Circle the correct word/words.

   1. The number of incisors in each jaw is eight / two / three / four.
   2. Incisors help in grinding food / biting food / tearing food / swallowing food.
   3. The number of grinding teeth in each jaw is five / six / eight / four.
   4. Tooth decay causes thirst / bad breath / hunger / itching.
4. 4.

   How are teeth important to us?

5. 5.

   Name the different kinds of teeth and write their functions.

6. 6.

   Draw a section of a tooth and label its parts.