Static Electricity1
particle that makes up all matter is
atom
not in physical motion
static
The element which is semiconductor
Silicon
a device for detecting the presence of an electric charge
electroscope
A type of cleaner that removes unwanted particles and liquids
electrostatic precipitator
When this happens to an object it becomes neutral.
Grounding
a physical phenomenon that can produce light, heat and power
electricity
after rubbing a polyester ball with fur, which becomes negatively charged?
polyester
A change in the charge of an object as a result of the moving of electrons either onto or off the object
charging by contact
Why is electrostatic spray painting a good environmental and economic choice?
Because it reduces over-spraying
the largest form of static electricity (think weather)
lightning
an electric charge that tends to stay on the surface of an object
static charge
To increase the resistance of a wire you could do this to the temperature
What is decrease it?
A property of the space around a charged object
electric field
A device that accumulates very large charges
The Van de Graaff Generator
a negatively charged balloon and a neutral wall will...
attract
the way of charging by rubbing different objects
charging by friction
a small piece of waxy cloth to stop static charge build-up
anti-static sheet
An induced charge separation is caused by
Induction
which element is used in the photocopier and why?( Think Unique property)
selenium, fair conductor in the dark and very good conductor in the light
removal of electrons from an object
discharge
a material in which electrons cannot move easily
insulator
people who assemble electronic equipment must be .....
grounded
A metal that is attached to the highest part of a building
lightning rod
Astronauts wear ............. when they are ..........
a radiation dosimeter- above Earth's atmosphere