Sound, hearing, ultrasound and ultraviolet light
Answers are for parents and teachers.
1
Compare the sounds of three insects (mosquito, bee, fly): which is the thinnest? Why?
The mosquito: it beats its wings fastest.
2
Draw an ear and label its parts.
Outer ear, ear canal, eardrum, cochlea.
3
List noisy things at home and a way to reduce the noise.
For example: turn the TV volume down.
4
Write 4 rules for staying safe from the sun in summer.
A hat, sun cream, staying in the shade, drinking plenty of water.