I know that sound is caused when things vibrate.

I know that the vibrations happen at different speeds – sometimes too fast to see.

I know that sound can be reflected.

Changing Sounds

Sound Song

Good Vibrations Experiment

I can describe how the speed and size of the vibration changes the sound when I do an experiment.

I know that sound travels through solids, liquids and gases, but not through a vacuum.

I can explain why we see lightning before we hear thunder.

I can describe how we hear sounds.

I know that loud sounds can damage our ears.

Sound Powerpoint

The Sound Song

Sound Cartoons

I can explain pitch and loudness in terms of vibration.

I can explain why sound cannot travel through a vacuum.

I know that sound can be represented by an oscilloscope trace.

Make A Note Game

I can relate loudness and pitch to vibration, using the words amplitude and frequency.

I know the range of human hearing.

I know that sound travels at different speeds in different materials.

I can explain how the ear works and why loud sounds damage our hearing.

How Hearing Works

Level 7

I can explain sound as a wave.

I can explain how sound travels using particle theory.

I can relate my knowledge of particle theory to how the ear works.