1. Nontoxic: Not containing ingredients that are harmful, poisonous or destructive.
6. Disposable: Designed to be thrown away after one use or after a limited period of time.
10. Durable: Capable of withstanding land use, wear and decay.
11. Toxic: Producing or containing a poisonous substance that may be harmful or deadly.
12. Conservation: The protection of, or wise use of, natural resources, such as forests, rivers and fuels, to ensure their continuation.
13. Geothermal: An eregy source. Using the internal heat of the earth to perform work.
2. Nonrenewable : Materials that are considered finite or exhaustible because of their scarcity, the great length of time required for their formation, or their rapid depletion.
3. Greenhouse: The ________ effect results from the accumulation of carbon dioxide and water vapor in the atmosphere and is expected by some scientists to be causing the average temperature of the worlds to rise.
4. Plastic: A material made from petroleum capable of being molded, extruded, or cast into various shapes.
5. Recyclable: Can be remanufactured into additional products.
7. Pollution: The contamination of soil, water, or air by the discharging of potentially harmful substances.
8. Aluminum : The raw form is found in high concentrations in bauxite rocks.
9. Cullet: Clean, generally color-sorted, crushed glass used to make new glass products.