Teeth And Microbes Class 4 Science Worksheet Pdf
Class 4 Science students should refer to the following printable worksheet in Pdf for Teeth And Microbes in standard 4. This test paper with questions and answers for Grade 4 Science will be very useful for exams and help you to score good marks
Class 4 Science Worksheet for Teeth And Microbes
CBSE Class 4 Science Worksheet -Teeth And Microbes - Practice worksheets for CBSE students. Prepared by teachers of the best CBSE schools in India.
BAL BHARATI PUBLIC SCHOOL
GANGA RAM HOSPITAL MARG
TOPIC: TEETH AND MICROBES
Question. The number of teeth in permanent set of teeth is
Answer : C
Question. The sharp teeth in front part of a jaw are called
Answer : B
Question. Tick the odd one out.
Answer : C
Fill in the blanks :
Question. Teeth that help in tearing are called _______
Answer : canines
Question. The portion between the crown and the root of our tooth is _______
Answer : neck
Question. The substance harder than bone is _______
Answer : enamel
Question. The doctor who takes care of our teeth is known as _______
Answer : dentist
Question. Infant's teeth are known as _______
Answer : milk teeth
Answer : Cutting teeth.
Answer : Chewing and grinding teeth.
Question. Milk teeth
Answer : Temporary set of teeth in small children.
Answer : The substance present in the tooth.
Answer : Cracking and grinding teeth.
Answer : A strong outermost layer or coating of the tooth.
Answer : Tearing teeth.
Very Short Answer Type Questions :
Question. List out the four types of teeth.
Answer : 1. Incisors
Question. Draw a well labelled diagram of structure of a tooth.
Question. Name the two sets of teeth in human beings.
Answer : Milk teeth and permanent teeth
Question. What are the main parts of our tooth?
Answer : Tooth consist of crown, neck and root.
Short Answer Type Questions :
Question. Describe the role of four types of teeth in digestion.
Answer : The role of 4 types of teeth in digestion are as follows
• Incisors – They are used to bite the food and shovel it inwards.
• Canines- They are used for tearing the food.
• Premolars- They are used for crushing the food.
• Molars- They are used for grinding the food.
Question. How should we take Care of our teeth?
Answer : We should take care of our mouth in the following ways.
• After every meal wash our mouth ( gargling).
• Don't eat too hot or too cold food.
• Brush each area at least 5- 7 minutes.
• Well balanced diet is to be taken to give more strength to our teeth.
Question. Draw the well labelled diagrams
Answer : • Structure of a tooth
• Types of human Teeth
Q-1 FILL IN THE BLANKS
a) A tooth has_________, neck and________ parts.
b) A tooth has ________ ,_________ and _________ layers.
c) _________ results in bad breath, bleeding of gums and indigestion.
d) Eating too many________ causes tooth decay.
e) A new born baby has ________ teeth.
f) Milk teeth are also called _________.
g) __________ mineral and vitamin__________ are important for healthy teeth.
h) Brush your teeth _________ and __________ before going to bed.
i) __________ your mouth after every meal.
j) The four chisel shaped teeth at the front of each jaw are called ________.
k) Disease causing microbes are called _________.
l) __________ is the disease caused by protozoa.
Q-2 WRITE ONE WORD ANSWER
a) Teeth which is used to bite our food.
b) The outer cover of a tooth.
c) The soft part present inside the dentine.
d) The part of tooth present inside the gum.
e) The teeth used to tear the food.
f) The hardest substance present in our body.
Q-3 MATCH THE FOLLOWING
a) Incisors a) tearing teeth
b) Canines b) hardest substance
c) Premolars c) virus
d) Molars d) cutting teeth
e) Enamel e) cracking teeth
f) Microbes f) grinding teeth
Q-4 Draw a diagram to show different layers of a tooth and label all the parts.
Q-5 What is the difference between temporary and permanent teeth. Draw the two sets of teeth.
Students must free download and practice these worksheets to gain more marks in exams. CBSE Class 4 Science Worksheet -Teeth And Microbes