CONCEPT OF ENERGY CONVERSION
Energy is the capacity of a physical system to do work. The common symbol for energy is the uppercase letter E. The standard unit is the Joule, symbolized by J. Energy conversion is the process of changing one form of energy into another, such as nuclear energy into heat or solar energy unto electrical energy.
1. ____ is the capability to do work
2. Power is measured in _____
3. The symbol for Joule is _____
4. Changing one energy form to another is called energy______
5. Nuclear energy can be converted to ___
SOURCES OF WASTE
Waste comes from many sources. But the common sources of wastes are:
1 .Municipal waste: This includes trash or garbage from households, schools, offices, markets, restaurants and other public places.
2. Agricultural waste: This is waste generated by agricultural activities.
3. End of automobiles: When cars buses, trucks, and other vehicles get old they become waste that litter the community.
4. Industrial waste
5. Construction waste
6. Electronic sources of waste
Write down six (6) sources of waste in your community