Class IV EVS NOTEBOOK WORK (14/9/20)

   NOTE- WRITE IN YOUR EVS NOTEBOOK  AND LEARN WITH SPELLINGS- 

                                                                TEETH AND TONGUE 

                                                                          REVISION

Answer the following questions in one word-

1. Teeth are mainly made up of which mineral?

Ans. Calcium

2. Teeth are covered with a hard substance called-

Ans. Enamel

3. The portion of tooth seen above the gum is called-

Ans. Crown

4. The soft material inside the dentine-

Ans Pulp

5. The first set of teeth in humans-

Ans. Milkteeth or Temporary teeth.

6. The hardest part of our body-

Ans. Enamel

7. The part below the enamel-

Ans. Dentine

8. The sticky, slimy substance formed on teeth that cause tooth decay.

Ans. Plaque

9. How many incisors do we have?

Ans. Eight 

10. The largest of all the teeth located at the back of the mouth.

Ans. Molars

11. The pair of molars that grow later in adult life.

Ans. Wisdom teeth.