Page 13 - FOUNDATIONS FOR LIFE; EXPLORING GOD’S UNIVERSE
P. 13
HEARING SOUNDS
Truth to Teach (Source)
Psalm 139:13-16 God created every intricate part of us.
To recognise God as the Creator of our bodies
The parts of the human ear
Caring for our ears
Hearing sounds
Devising experiments
Way to Work (Means)
1. Review the previous lesson.
2. Read the above verses and talk about the way in which God has created every intricate
part of us, including the ear.
3. Write the following words on the board: hammer, anvil, stirrup, drum.
Seek to establish how much the children already know about the workings of the ear.
4. Some children may like to use the Internet to discover more about the workings of the
ear. Alternatively, show the class a picture of a cross section of a human ear and discuss
the parts and their functions.
a) Outer ear: It is funnel-shaped to collect and direct sounds. The sounds (vibrating
air) hit a thin piece of skin called the ear-drum which shakes. This can be demonstrated
by putting a piece of balloon over the end of a toilet roll. When someone speaks into the
open end the balloon can be felt shaking.
b) Middle ear: It is made up of three tiny bones, the hammer, the stirrup and the anvil.
These increase the vibrations from the ear-drum and pass them on to the inner ear.
c) Inner ear: It has a snail-shaped part called the cochlea which changes the
vibrations into electrical messages which are carried to the brain along nerves. The brain
interprets these messages and we then hear the sounds.
5. Let the children complete the first part of the worksheet then gather back to try the
experiment.
11