SCIENCE YEAR 3 : TYPES OF TEETH & TOOTH STRUCTURE

CONTENT STANDARD :

3.1 Teeth

LEARNING STANDARD :

3.1.1 State the types of teeth and their functions.

3.1.2 Identify the structures of a tooth, namely enamel, dentine, gums, nerves and blood vessels.

Engage : Set Induction (7 Minutes)

  • The teacher displays a 3D image of a human tooth using Reality Composer.
  • The teacher asks pupils to touch their own teeth and conducts a question-and-answer session.

Teacher: Are all your teeth the same shape?”

Pupils: No, they are not.”

Teacher: Why are some teeth sharp while others are flat?”

  • The teacher relates the situation to today's lesson topic:

Types of Teeth, Their Functions and Tooth Structure (Watching Video Session)


Explore : Step 1 – 13 Minutes

  • Pupils are divided into small groups of four.
  • Each group is provided with one iPad.
  • Pupils use the iPad to explore diagrams showing the cross-section of a tooth and the different types of teeth.
  • Each group discusses and identifies:
  • The names of the three types of teeth found in the human mouth.
  • Activity 1 (Fill in the blanks with the correct answers) : Types of Teeth : Incisors, Molars and Canines : Attached Files Below)
  • Activity 2 (Fill in the circles with the shapes of the different types of teeth using the correct answers : Attached Files Below) 
Activity 1


Activity 2

Explain : Step 2 – 15 Minutes

The teacher explains the types of teeth and their specific functions:

  1. Incisors – Used for cutting food.
  2. Canines – Used for tearing food.
  3. Molars – Used for grinding food.

The teacher emphasises that properly aligned teeth also help humans speak clearly.

Activity 3

Explore : Step 3 - 13 Minutes

Pupils identify the five main parts that make up a tooth based on its cross-section.

  • The teacher moves between the groups to guide pupils in identifying the positions of:
  • Enamel
  • Dentine
  • Gums
  • Nerves
  • Blood vessels
  • The teacher displays a cross-sectional diagram of a tooth and explains the five important structures:
  1. Enamel – The very hard outer layer of the tooth.
  2. Dentine – The layer beneath the enamel.
  3. Gums – The soft tissue that holds and supports the teeth.
  4. Nerves and Blood Vessels – The inner parts of the tooth that are sensitive and supply nutrients.

Elaborate : Step 4 – 15 Minutes

  • In groups, pupils complete an interactive task on the iPad by arranging the Rearrange the cross-section of the tooth below and label the different parts correctly.

 

Activity 4

  • Enamel
  • Dentine
  • Gums
  • Nerves
  • Blood Vessels
  • The teacher relates the different positions of these structures to everyday life
  • Pupils complete a Kahoot quiz to reinforce their understanding.


Reflection : Closing – 10 Minutes

  • The teacher summarises today's learning together with the pupils.
  • The teacher praises pupils for their active participation throughout the teaching and learning session.

Teacher's Notes

The teaching and learning session went smoothly with the use of iPad technology and Kahoot, which actively increased pupils' motivation.






 

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