• UNIT 8: Sensory organs



    The human body has different body parts which support one another to make a complete person. For a person to receive well information from the environment, it requires to have normal and well-functioning sensory organs. This unit will help you to know the importance of sensory organs and find out ways to keep them healthy. The essential questions to be answered after this unit are:

     • What are the human sensory organs and their functions?

     • How can I keep my sensory organs well?


    1. Look at the pictures a, b, c, d and e

    2. What do the pictures a, b, c, d and e show?

     3. How many sensory organs have you seen in the pictures? 

    4. Name every sensory organ you have seen. 


                                         What have you discovered from the pictures?

    I have discovered that

     Human body has five (5) sensory organs:

     Eye, Ear, Tongue, Skin and Nose

    The importance of human sensory organs are:

     • Eye, the function of an eye is to see; 

    Ear, the function of the ear is to hear sound; 

     • Tongue, the function of the tongue is to taste and help a person to swallow;

     • Nose, the function of the nose is to smell and help a person to breathe; 

    Skin, the function of the skin is to feel anything that touches or gets into contact with a human body, it also protects or covers the body and regulates body temperature.


    Activity 2

     1. Look at the pictures a, b, c, d, e and f

    2. What do the pictures a, b, c, d, e and f show?

     3. Which picture shows the child doing what is not allowed (dangerous).

     4. Explain how you can keep well/ healthy your sensory organs.



                        What have you discovered from the pictures?

    I have discovered that 

    Ways of keeping sensory organs well/ healthy are:

     • Washing the whole body with water and soap; 

    • Cleaning the ears using a clean piece of cotton cloth;

     • Brushing the teeth and mouth after every meal or eating;

     • Cleaning the nose using a clean handkerchief;

     • Washing eyes with clean water using soap; 

     • Seeking medical treatment when sick.

    End of Unit Assessment 8



    1. MINEDUC (1997). Integanyanyigisho y’Ubumenyi n’Ikoranabuhanga Riciriritse mu mashuri abanza. Ikigo cy’Igihugu gishinzwe Integanyanyigisho, Kigali.

     2. MINEDUC (2009). Social Studies Curriculum for Rwanda’s Basic Education Program me, Year 1 to 6. National Curriculum Development Centre, Kigali. 

    3. MINEDUC (2015). Competence – Based Curriculum Framework, Pre-primary to Upper Secondary. Rwanda Education Board, Kigali.

     4. MINEDUC (2015). Integanyanyigisho y’Ubumenyi n’Ikoranabuhanga Riciriritse, Ikiciro Cya Mbere cy’Amashuri Abanza. Rwanda Education Board.

    UNIT 7: Light and heat