Our Food-Teeth & Digestion Worksheet-7
Fill in the Blanks:
The upper part of the tooth that is visible is called ______.
______ teeth are also called temporary teeth.
Small living things which can be seen only with the help of a microscope are called ______.
Teeth that help in cutting and biting the food are called _____.
A yellow sticky layer of germs that forms on the teeth is called ______.
Teeth that help in cracking and chewing the food are called _______.
The process of changing food into a simple form that can be used by the body is called ________.
Our Food-Teeth & Digestion Worksheet-8
Fill in the Blanks:
There are _____ number of teeth in a temporary set of teeth.
There are _____ number of teeth in a permanant set of teeth.
The hard, white part on the outside of a teeth is called the ______.
The hard ______ lies below the enamel.
The _____ is present inside the dentine.
The _____ forms the central part of the tooth.
A smooth thread made of a silky material used to clean between the teeth is called _______.
The long tube through which the food passes from the mouth and reaches the stomach is called ________.
Our Food-Teeth & Digestion Worksheet-9
True or False
By thirty years of age, about twenty teeth come up.
The set of twenty teeth in a child is called milk teeth.
Our upper and lower jaws have unequal set of teeth.
When the child is about twelve years old, milk teeth start falling out.
The second set of teeth form the permanent teeth.
The permanent teeth remain throughout the life.
The temporary teeth remain throughout life.
There are usually 32 teeth in a permanent set of teeth.
