Embed Size (px)
Citation preview
Moving MonstersLearning Objective:To investigate techniques for making simple pneumatic systems.
NEXT
NEXTBACKwww.planbee.com
The syringe in this picture is full of air. What do you think will happen to the
balloon if the syringe is pushed in?
Why?
NEXTBACKwww.planbee.com
When the syringe is pushed down the balloon inflates because the air
travels through the tube to the balloon.
NEXTBACKwww.planbee.com
The syringe attached to the balloon is an
example of a PNEUMATIC SYSTEM. What do you think the word ‘pneumatic’ means?
NEXTBACKwww.planbee.com
Pneumatic systems are systems that use air pressure to make things move or work properly. There are lots of pneumatic systems that we use every day. Lots of machinery in factories use pneumatics too.
Have a look at the pictures of pneumatics on the next
slides. Do you think you can explain how they work?
NEXTBACKwww.planbee.com
An air pistolAn air gun uses air pressure to fire bullets or pellets out of the gun.
NEXTBACKwww.planbee.com
Pneumatic drills use air pressure to push the chisel down while a spring pushes it back up. This repeats very quickly and is
strong enough to cut through rock and pavements.
A pneumatic drill
NEXTBACKwww.planbee.com
The tube is attached to a bicycle tyre and when the
pump is pushed down, compressed air is forced
through the tube and into the tyre, allowing it to inflate.
A bicycle pump
NEXTBACKwww.planbee.com
Pressurised air is driven into each pipe at the
organists control which makes a different sound on every different sized pipe.
A pipe organ
NEXTBACKwww.planbee.com
Today you will be looking at how to create pneumatic systems in preparation for creating a moving monster with pneumatic parts.
Let’s have a look at how to create a simple
pneumatic system...
NEXTBACKwww.planbee.com
You will need: a syringe, plastic tubing and a balloon.
First, attach the tubing to the syringe, making sure that it is firmly attached and won’t move.
Make sure the syringe is pulled out and full of air before you start.
NEXTBACKwww.planbee.com
Put the mouth of the balloon over the other end of the plastic tubing.
Secure it with a elastic band.
Can you think of any other ways of making a pneumatic system?
NEXTBACKwww.planbee.com
You now have a working pneumatic system!
