Worksheet on Teeth and Microbes

Worksheet on teeth and microbes contains various types of questions on different kinds of teeth , their structure and microbes.

We know, the first teeth that a child has are milk teeth. They fall off and are replaced by permanent teeth.

I. Fill in the blanks:

(i) The sharp and pointed teeth in our mouth are called ________.

(ii) A person who is 30 years old should have 32 ________ teeth.

(iii) In our mouth the 8 ________ in front are the cutting teeth.

(iv) A tooth with a cavity will start paining if the cavity reaches the ________.

(v) ________ are the smallest microbes.

(vi) ________ are the most abundant microbes on the earth.

II. Mark a tick (√) or cross (X) against each given statement:

(i) You have 32 milk teeth.

(ii) All our teeth have the same shape.

(iii) The surface of your teeth is harder than a bone.

(iv) Premolars and molars crush and grind food.

(v) A microbe is as small as a grain of sand.

(vi) All microbes are harmful to us.


III. Answer the following questions:

(i) How many sets of teeth do humans have during their lifetime? Name them.

(ii) What will happen to our teeth if we do not brush them regularly?

(iii) Name the different kinds of teeth a human has and say what each is used for.


Check the answers of worksheet on teeth and microbes:


Answers:


I. (i) canine

(ii) permanent

(iii) incisors

(iv) pulp

(v) Viruses

(vi) Bacteria


II. (i) X

(ii) X

(iii) √

(iv) √

(v) X

(vi) X


III. (i) A human have 32 teeth during their lifetime. They are canines, incisors, molars and premolars.

(ii) If we do not brush our teeth regularly they may decay and fall off.

(iii) The different kinds of teeth a human have are canines, incisors, molars and premolars. We have incisors for cutting, canines for tearing, premolars and molars for crushing and grinding food.



Fourth Grade

From Worksheet on Teeth and Microbes to HOME PAGE


New! Comments

Have your say about what you just read! Leave me a comment in the box below.


Recent Articles

  1. Respiratory Volumes and Capacities | Tidal Volume | Dead Space

    Aug 29, 25 05:17 PM

    Respiratory Volumes
    Explain respiratory volumes and capacities: Tidal Volume - Tidal volume is the volume of air inspired or expired in relaxed or resting position. Amount of tidal volume is about 500 m and it consists o…

    Read More

  2. Mechanism of Breathing | Definition of Inspiration and Expiration

    Aug 17, 25 11:41 PM

    Pressure in Lungs
    Breathing is the process which is accomplished in three states that is inspiration expiration and pause . Definition of inspiration - Entry of air into the lungs from outside during breathing is calle…

    Read More

  3. Human Respiratory System | External Nares | Nasal Cavity | Pharynx

    Aug 04, 25 03:14 PM

    Lungs
    Definition of respiration - This is the process of making energy available to organisms and their living cells through enzyme controlled catabolic breakdown of organic molecules. The organic materials…

    Read More

  4. Disorders of Digestive System | Symptoms of Jaundice | Vomiting |

    Jul 16, 25 12:18 PM

    Symptoms of Diarrhoea
    Jaundice- It is a disease that occurs due to Umesh discoloration of the skin due to deposition of bilirubin and biliverdin pigment. Jaundice can be offered according to the different position like pre…

    Read More

  5. Absorption of Digested Products | Absorption of Water | Nephrons

    Jul 09, 25 02:24 PM

    Villus
    Food and water is observed in different parts of the body and is distributed in different cells and tissues. Absorption of food is observed to be observed in the small intestine in the specific type o…

    Read More