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VIXARC
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What are the steps to the scientific method
- 1. Recognize the question
- 2. Develop a useful, predictable hypothesis
- 3. Design and perform an experiment
- 4. Analyze and interpret the data
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What are the step in addressing environmental problem
- 1. Scientific Assessment
- 2. Risk analysis
- 3. Public Education & Involvement
- 4. Political Action
- 5. Long term evaluation
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Matter
Anything that has mass and takes up space living or not
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High Quality
highly concentrated is typically found near the earths surface and has has great potential for use as a resource
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Low Quality
Matter is not highly concentrated is often located deep underground or dispersed in the ocean or atmosphere and usually has little potential lfor use as resource
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Element
Fundamental substance that has a unique set of properties and cannot be broken down into simpler substances by chemical means
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Example of Elements
- Oxygen
- Carbon
- Hydrogen
- Nitrogen
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Law of conservation of matter states
whenever matter undergoes a physical or chemical change no atoms are created or destroyed
NO AWAY
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How is energy defined
Capacity to do work or transfer heat
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Potential energy
stored energy ( chemical bonds in plants or gasoline, water behind a dam)
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Kinetic Energy
Associated with motion - wind , flowing water, heat
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