Wednesday 4th November 2020
L.C: To explain how sound is made.
L.C: To explain how sound travels to the ear from a source
Using the elastic band, make noises.
What do you notice?
How is the elastic band making a noise?
Watch this video.
What is happening?
Write about what is happening to the rice, explain what is causing the rice to move.
The rice is ______________________________________ because
How Do We Hear?
Sounds are made when objects vibrate.
The vibration makes the air around the object vibrate and the air vibrations enter your ear - you hear them as sounds.
You cannot always see the vibrations, but if something is making a sound, some part of it is always vibrating.
Sound waves travel through the air down the ear to the ear drum. When the vibrations hit the ear drum, this sends a message to the brain that changes the vibrations into sounds.
Using the information in this lesson, create a poster to explain how we hear sounds.
Use key vocabulary and diagrams to make your poster clear and eye-catching.