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Electricity
Electricity is Everywhere
26
Science
3rd Grade
01/28/2013

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Cards

Term
Where does electricity come from?
Definition
A power plant
Term
What do many power plants burn?
Definition
Coal
Term
What is a bad side effect to burning coal?
Definition
It pollutes the air.
Term
How does power get from the plant to town?
Definition
Through thick wires.
Term
What happens if you touch a power wire?
Definition

[image]

Death!!!!!!

Term
The process by which electricity gets into your house (3 steps)
Definition
1. Electricity flows through buried underground wires.
2. The electricity enters through wires are in your wall.
3. The wires connect to outlets.
Term
What is a very dangerous conductor of electricity?
Definition
Water
Term
What happens after the electricity enters your house?
Definition
It returns back to the power plant and makes a circuit.
Term
Pressing on buttons and turning switches does what to electricity?
Definition
It closes the gap in the circuit
Term
What acts as the conductor inside power cords?
Definition
Metal wires
Term
What protects us from getting shocked from cords?
Definition
The rubber surrounding the wires
Term
How do batteries make energy?
Definition
The chemicals inside do
Term
How does your body make electricity?
Definition
By static electricity when certain materials rub together.
Term
What causes lightning?
Definition
Raindrops in clouds rub together
Term
2 safest places to be during lightning?
Definition
In a house or a car
Term
Worst place to be during lightning?
Definition
In or near water
Term
What is one cause of a power outage?
Definition
Lightning striking a power line
Term
Is it ever ok to touch a power line?
Definition
Don't be stupid....you could die. Call 911 if you see one.
Term
What is an example of electricity flowing through your body?
Definition
Signals from your brain tell your heart when to beat.
Term
What are other materials power plants can use to make energy?
Definition
Waterfalls, sunlight and windmills. These don't pollute the air.
Term
What type of electricity do spacecraft use?
Definition
Solar energy
Term
What happens if you plug too many thing in at your house?
Definition
The circuit could overload and you will need to either change a fuse or flip the circuit breaker.
Term
What did Benjamin Franklin invent to prevent lightning fires?
Definition
A metal rod to put on roofs so the lightning goes safely into the ground.
Term
How hot can lightning make the air?
Definition
50,000 degrees Fahrenheit
Term
When were power plants first made?
Definition
1880s
Term
Why was there a demand for more power in the 1900s?
Definition
Because of the invention of radios, TVs, telephones, and computers.
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