1. PLTW Terms
PLTW Vocabulary Set #9

2. #1 Ampere
Standard unit of measure of electric current. It is sometimes written as amp.

3. #2 Alternating Current (AC)
An electric current that reverses direction on a periodic basis. It is widely used to transport power on power lines.

4. #3 Battery
A device that stores and produces electricity from chemical cells.

5. #4 Direct Current (DC)
A type of current that only flows in one direction.

6. #5 Electric Motor
A device that changes electrical energy into mechanical energy.

7. #6 Electromagnet
A temporary magnet created when current flows through wire wrapped in coils around an iron bar.

8. #7 Lightning
Discharge of atmospheric electricity, accompanied by a flash of light, commonly from one cloud to another or sometimes from a cloud to the earth.

9. #8 Static Electricity
The build up of an electric charge on the surface of an object. The charge remains in one area rather than flowing to another area

10. #9 Solar Energy
Capturing the energy from the Sun and subsequently converting it into electricity.

11. #10 Wind Energy
Process of creating electricity using the wind, or air flows that occur naturally in the earth’s atmosphere.