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Science - Unit 4 - Topic 5
Hydraulics and Pneumatics
8
Science
8th Grade
05/21/2018

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Cards

Term
How do pneumatic systems work?
Definition
the air passes through the pneumatic device under high pressure and then escapes outside the device.
Term
How do hydrolic systems work?
Definition
They use the force of a liquid in a confined space
Term
How does a jackhammer work?
Definition
a pneumatic system that uses bursts of air, under very high pressure, drive a part called a “chuck” in and out of the jackhammer at high speeds pounding the concrete and rock into fragments
Term
Explain why dentists drills make that annoying, high pitched noise.
Definition
The high-speed drill that dentists use is a pneumatic instrument that relies on pressurized air. The noise is the presurized air escaping.
Term
What part of your body is a pneumatic system?
Definition
Respiratory system
Term
What part of your body is a hydraulic system?
Definition
Circulatory System
Term
parts of a hovercraft
Definition
[image]
Term
How do large machines put the fluid under pressure?
Definition
They create pressure by using valves. They open the valves to push on the piston and close which pushes back the piston to move the machine
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