Science proceduer

WALHT: Make a guitar

Causes:how to make a cake box  we used rubber bands and bottle caps are used

Science project: Make a cake box

Science procedure

1. A cardboard box or a metal tin will be etiquette
2. 5 or 4 rubber bands are suitable
3. 5or 4 bottle caps are used
4. A pencil
5. A piece of cardboard or paper
6. A ruler or pluck as usual

Balloon making sounds

Small sounds can still make a big noise when you use a good sound conductor. Experiment with a balloon, compressed air and your own ears to find out how it works and the science behind it.

1. Blow up balloon
2. Tie it up
3. Put against your ear and listen to the sound that the persons making on to the balloon into your ear