'Hammer strikes' presentation slideshows

What happens to bullets when they are fired?

What happens to bullets when they are fired?. bsapp.com. Pull the Trigger and . . . A pin or hammer strikes the primer . This causes a spark. The powder is then ignited causing an explosion. This explosion starts the bullet down the barrel of the gun. bsapp.com. Down the Barrel.

164 views • 8 slides

BELL

BELL. Members of group: Daniela, Mireia and Andrea. LIST OF METERIALS:. 1- Saw 2- Bolt 3- Small screws 4- Nuts 5- Terminal 6- Pieces of metal 7- Key 8- Wire. PROCESS:. First the doorbell is pressed, this makes the circuit close and current begins to flow

186 views • 5 slides

Monday February 24, 2014

390 views • 4 slides