First Term Lesson Note for Week Four
Class : Primary Two
Subject : Basic Science
Topic : The Sense of Hearing
Duration : 40 Minutes
Period : Single Period
Reference Book :
- Basic Science and Technology for Primary Schools, Book 2.
- Lagos State Unified schemes of work for lower Primary, (Primary 1 – 3)
- Online Resources
Instructional Material : Chart showing parts of the ear and their functions.
Previous Knowledge : Learners are familiar with the ear and knows that it is for hearing.
Learning Objectives : By the end of the lesson learners will be able to :
i. Describe the sense of hearing
ii. Identify the parts of the hear.
iii. State the functions of the ear.
Content :
The ear is the sense of Hearing. It helps to hear or detect the various sounds that are pleasant and unpleasant to the ear in our environment. The ear helps us to maintain body balance.
Living things such as man and other animals has two ears.
The ear is divided into three parts namely :
i. Outer ear e. g. Pinna
ii. Middle ear e. g. Ear drum or ear canal
iii. Inner ear e. g. Auditory nerve, cochlea
Care of the Ear.
When cleaning the ear, do not use sharp objects. This can damage the ear drum.
Do not stay too close to very loud noise which can deafen the ear.
Sound made by living things and non-living things.
Man : clap, whistle, laugh, whisper, hiss, cry, etc
Animals : different animals make different sounds. For examples :
| Animals | Sound made |
| Cock | Crow |
| Lion | Roars |
| Elephant | Trumpets |
| Goat | Bleats |
| Snake | Hisses |
| Birds | Sings |
| Bees | Buzz |
| Horse | Neighs |
| Rat | Squeak |
| Dog | Barks |
Presentation Steps :
Step 1 : Revision of the previous lesson learnt by asking questions orally.
Step 2 : Introduces the new topic by describing the sense of Hearing
Step 3 : Identify the parts of the ear.
Step 4 : Mention the care of the ear.
Evaluation :
1. The ear is a sense of _________________. (a) smelling (b) hearing (c) sight
2. There are _________ pairs of ear. (a) 2 (b) 4 (c) 3
3. The outer ear is called _____________. (a) ear drum (b) pinna. (c) auditory
4. The ear is mainly divided into _________ parts. (a) two (b) three (c) five
5. Mention the parts of the ear. _____________, _____________ and _____________.
6. State one function of the ear.
_________________________________________
Conclusion : At the end of the lesson learners were able to answer the questions correctly. The teachers collects the learners notebooks for marking and makes necessary corrections.
Assignment :
1. An example of the outer ear is _____________. (a) pinna (b) ear drum (c) cochlea
2. Give the sound made by the following animals:
i. A birds – ______________
ii. An elephant – _________________
iii. Lion – ________________
iv. A Snake – ______________
v. A goat – __________________