Environmental Science-2

• 1. Recognize the question
• 2. Develop a useful, predictable hypothesis
• 3. Design and perform an experiment
• 4. Analyze and interpret the data

• 1. Scientific Assessment
• 2. Risk analysis
• 3. Public Education & Involvement
• 4. Political Action
• 5. Long term evaluation

Anything that has mass and takes up space living or not

highly concentrated is typically found near the earths surface and has has great potential for use as a resource

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

Fundamental substance that has a unique set of properties and cannot be broken down into simpler substances by chemical means

• Oxygen
• Carbon
• Hydrogen
• Nitrogen

whenever matter undergoes a physical or chemical change no atoms are created or destroyed

NO AWAY

Capacity to do work or transfer heat

stored energy ( chemical bonds in plants or gasoline, water behind a dam)

Associated with motion - wind , flowing water, heat