Show:
Static Electricity
Current Electricity
How Produced
Other Static
Other
100
What causes static electricity?
When unlike charges attract and collect on an object
100
What is a good conductor? a)water b)plastic c)metal d)air
c)metal
100
turbines spin on ____
electromagnets
100
a positive atom has....
more atoms
100
can a car battery charge itself? yes or no?
yes
200
A charged object is attracted toward an object with the opposite charge, if the charges are the same, ______
The objects move apart
200
What is a good insulator? a)metal b)rubber c)water d)wire
b)rubber
200
energy is put through a _____ that makes electricity
transformer
200
a negative atom has....
more electrons
200
a car battery is a ______ battery
lead-acid
300
When you rub a balloon with wool, the balloon gains some ______.
Electrons
300
what is a conductor?
something that carries an electrical charge
300
electricity travels through ________ ______ to homes
power lines
300
balloons gain _____ from wool
electrons
300
when the gates on a dam open potential energy changes to _____ energy?
kinetic
400
What causes Lightning in a thunderstorm?
When charges in the cloud and the ground attract
400
what is an insulator?
something that stops an insulator
400
what is the main resource used to spin turbines?
coal
400
static charges are _____ and______
temporary and unpredictable
400
what is hydroelectric power?
electricity produced by water
500
What are the differences between a positive charge and a negative charge?
Positive charges have less electrons, and negative have more
500
what is current electricity?
the flow of electrical charges through a wire
500
what is the procedure to make electricity?
water or steam spins a turbine that hit an electromagnet that puts energy in a transformer to make electricity
500
what is the sequence to lighting a light bulb?
outlet,wire,bulb,wire,outlet