1. Introduction to Energy

2. What is Energy? [answers from previous students]
The power to make machines go…
A [power] source that makes technology work…
A fuel [source]
The power to make things move

3. What is Energy? Definition from Webster’s Online Dictionary
A fundamental entity of nature that is transferred between parts of a system in the production of physical change within the system and usually regarded as the capacity for doing work
Usable power

4. What Are the Different Energy Sources?
[from previous students]
Wind
Water
Nuclear
Solar
Fossil Fuels
Electricity
Heat
Biofuel
Chemical
Geothermal
Food
Wood
Muscle Power

5. What Are the Different Energy Sources?
From Project NEED website
Biomass- bio = living renewable [less than 100 years to reproduce]
Coal-fossil fuel, carbon nonrenewable [more than 100 years to reproduce]
Geothermal- geo = earth; thermal = heat renewable [less than 100 years to reproduce]
Hydropower- hydro = water renewable [less than 100 years to reproduce]
Natural gas- fossil fuel nonrenewable [more than 100 years to reproduce]
Petroleum-fossil fuel nonrenewable [more than 100 years to reproduce]
Propane-fossil fuel nonrenewable [more than 100 years to reproduce]
Solar- renewable [less than 100 years to reproduce] sol = sun
Uranium-nonrenewable [more than 100 years to reproduce]
Wind- renewable [less than 100 years to reproduce]

6. What Is A Fossil Fuel? Fossil Fuel [What is It?]
Billions of dead things, layed up in rock layers, put down by water, all over the earth.

7. What Are the Forms of Energy?
from Project NEED website
Nuclear
Chemical
Mechanical [motion]
Electrical
Sound
Radiant [from the sun]
Thermal [heat]
Light