Understanding the Different Types of Teeth Basic Science Primary 4 Third Term Lesson Notes Week 11
Lesson Plan: Human Body (The Teeth)
Subject: Basic Science
Class: Primary 4
Term: Third Term
Week: 11
Topic: Human Body (The Teeth)
Sub-topic: Incisors, Canines, Molars, Premolars
Duration: 60 minutes
Behavioural Objectives: By the end of the lesson, pupils should be able to:
- Identify the different types of teeth.
- State the functions of incisors, canines, molars, and premolars.
- Explain the importance of each type of tooth in eating.
Key Words:
- Incisors
- Canines
- Molars
- Premolars
- Teeth
Entry Behaviour: Pupils are familiar with the basic parts of the mouth.
Learning Resources and Materials:
- Chart showing different types of teeth.
- Models of teeth.
- Pictures of various foods and the teeth used to eat them.
Building Background/Connection to Prior Knowledge: Pupils have previously learned about the mouth and its parts such as the tongue and lips.
Embedded Core Skills:
- Observation
- Identification
- Critical thinking
Learning Materials:
- Tooth models
- Diagrams
- Flashcards
Reference Books:
- Lagos State Scheme of Work for Primary 4
- Basic Science Textbook for Primary 4
Instructional Materials:
- Tooth models
- Diagrams
- Flashcards
- Picture charts
Content:
- Incisors: Front teeth used for cutting food.
- Canines: Pointed teeth used for tearing food.
- Molars: Large, flat teeth used for grinding food.
- Premolars: Teeth used for chewing and grinding food, located between canines and molars.
Human Body: The Teeth
- Incisors: These are the front teeth used for biting into food like apples. 🍎
- Canines: Also known as “eye teeth,” these are pointed teeth used for tearing food. 🦷
- Molars: These are the large, flat teeth at the back of the mouth used for grinding food. 💪
- Premolars: Sometimes called “bicuspids,” these teeth help with chewing and grinding food. 🔄
Understanding our teeth helps us eat different foods and keep them healthy! 😁
Class Activity Discussion on The Teeth
- What are incisors?
- Incisors are the front teeth used for biting into food.
- How many incisors does a person have?
- A person typically has eight incisors, four on the top and four on the bottom.
- What are canines?
- Canines are pointed teeth used for tearing food.
- How many canines are there in the human mouth?
- There are four canines, two on the top and two on the bottom.
- What is the main function of molars?
- Molars are used for grinding and chewing food.
- How many molars does an adult have?
- An adult usually has twelve molars, including four wisdom teeth.
- What are premolars?
- Premolars are teeth that help in chewing and grinding food, located between canines and molars.
- How many premolars are there in a human mouth?
- There are eight premolars, four on the top and four on the bottom.
- Why are canines important?
- Canines help in tearing food, especially meat.
- Where are incisors located?
- Incisors are located at the front of the mouth.
- What is another name for canines?
- Canines are also called “eye teeth.”
- Which teeth are used for biting into an apple?
- Incisors are used for biting into an apple.
- Which teeth are flat and large at the back of the mouth?
- Molars are flat and large teeth at the back of the mouth.
- What is the role of premolars in eating?
- Premolars help to chew and grind food.
- How can we take care of our teeth?
- We can take care of our teeth by brushing them twice a day and visiting the dentist regularly.
Evaluation
- The front teeth used for biting into food are called __________. a) molars b) incisors c) canines d) premolars
- Which teeth are pointed and used for tearing food? a) incisors b) molars c) canines d) premolars
- The large, flat teeth at the back of the mouth are called __________. a) premolars b) canines c) incisors d) molars
- What are the teeth called that help with chewing and grinding food? a) canines b) molars c) incisors d) premolars
- The teeth used for grinding food are called __________. a) canines b) incisors c) premolars d) molars
- Which teeth are sometimes called “eye teeth”? a) incisors b) premolars c) molars d) canines
- What type of teeth are at the back of the mouth? a) incisors b) canines c) molars d) premolars
- Which teeth are used for tearing food? a) premolars b) molars c) canines d) incisors
- What are the pointed teeth called? a) premolars b) incisors c) molars d) canines
- Which teeth are used for biting into food? a) molars b) canines c) premolars d) incisors
- What type of teeth are found at the front of the mouth? a) molars b) canines c) premolars d) incisors
- The teeth used for grinding and chewing food are __________. a) canines b) incisors c) molars d) premolars
- Which teeth are used for tearing meat? a) incisors b) molars c) canines d) premolars
- What are the teeth called that help with biting and cutting food? a) molars b) premolars c) incisors d) canines
- The teeth at the back of the mouth are called __________. a) canines b) premolars c) incisors d) molars
Presentation:
Step 1: Revising the Previous Topic
- The teacher revises the previous topic about the tongue and lips.
- Questions: “What are the functions of the tongue?” “What role do lips play in eating?”
Step 2: Introducing the New Topic
- The teacher introduces the new topic by showing a chart of the teeth.
- Explanation: “Today, we will learn about the different types of teeth in our mouth and their functions.”
Step 3: Class Contributions and Corrections
- The teacher asks pupils to feel their teeth with their tongue and describe what they notice.
- Pupils share their observations, and the teacher corrects any misconceptions.
Teacher’s Activities:
- Explain the function of each type of tooth.
- Show models and diagrams of the teeth.
- Ask questions to engage pupils.
Learners’ Activities:
- Observe the models and diagrams.
- Feel their own teeth and discuss in pairs.
- Answer questions and participate in discussions.
Assessment:
- Observation of pupils’ participation.
- Questions during the lesson.
Evaluation Questions:
- What are the front teeth called?
- a) Molars
- b) Canines
- c) Incisors
- d) Premolars
- What is the main function of canines?
- a) Cutting
- b) Tearing
- c) Grinding
- d) Chewing
- How many incisors does a person have?
- a) Four
- b) Eight
- c) Six
- d) Ten
- Which teeth are used for grinding food?
- a) Incisors
- b) Canines
- c) Molars
- d) Premolars
- Where are premolars located?
- a) Front of the mouth
- b) Between canines and molars
- c) Only on the top
- d) Only on the bottom
- What are the flat teeth at the back of the mouth called?
- a) Incisors
- b) Canines
- c) Molars
- d) Premolars
- What type of teeth are used for biting into an apple?
- a) Incisors
- b) Canines
- c) Molars
- d) Premolars
- How many canines does a human have?
- a) Two
- b) Four
- c) Six
- d) Eight
- What is another name for canines?
- a) Eye teeth
- b) Cutting teeth
- c) Grinding teeth
- d) Chewing teeth
- Which teeth help in chewing and grinding food?
- a) Incisors
- b) Canines
- c) Molars
- d) Premolars
Conclusion:
- The teacher summarizes the lesson by revisiting the key points.
- The teacher goes around to mark pupils’ work and provide feedback.
Notes: Ensure that all pupils are engaged and understand the lesson by asking questions and encouraging participation. Use visuals and models to aid understanding.