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Environmental Science

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AP Environmental Science
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Chapter 2 outline

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APES Outline Ch 2: Environmental History 2-1 Cultural Changes and the Environment A. Three major changes have occurred since humans were hunter-gatherers. These changes have increased our impact on the environment. 1. Humans (have been in existence for about 160,000 years, a mere blink of an eye in? terms of biological life. 2. The agricultural revolution (10,000?12,000 years ago), the industrial-medical revolution (and the information and globalization revolution increased human environmental impact. a. We have more energy and technology available to alter and control the planet to meet our needs and wants. b. Human population greatly increased. c. Pollution, increased resource use, and environmental degradation occur. A. Hunter-gatherers had a small impact on the environment.

track times

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8:42 oar 4:02 Mrs.R 3:30 Rainbow 2:14 Do Re Me
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ppt

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Chapter 1 Environmental Problems, Their Causes, and Sustainability Chapter Overview Questions What are the main themes of this book? What keeps us alive? What is an environmentally sustainable society? How fast is the human population growing? What is the difference between economic growth, economic development, and environmentally sustainable economic development? Chapter Overview Questions (cont?d) What are the harmful environmental effects of poverty and affluence? What three major human cultural changes have taken place since humans arrived? What are the four scientific principles of sustainability and how can we use them and shared visions to build more environmentally sustainable and just societies during this century? Updates Online

Chipotle

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restaurant epa laws

? Chipotle is an excellent example of a business showing corporate social responsibility because they believe in their ?Food With Integrity.? The Environmental Protection Agency has a ?Federal Food, Drug, and Cosmetic Act? which basically says that there should be no harmful residues or an aggregate amount pesticides and residues on food that is served in restaurants. That there is a tolerance on how much pesticides and residues can be contained on restaurant food. Chipotle abides this law and doesn?t even come in close region of breaking it. Chipotle?s food is served fresh and never frozen everyday (with the exception of corn). ? The owner of Chipotle believes that accessibility to sustainably raised food

ap environmental science powerpoint

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APES

Chapter 5 notes The structure and function of Macromolecules Concept 5.1 Polymer: a long molecule consisting of similar or identical building blocks - like a train with many cars - monomers: repeating units that are the building blocks Diversity of life is based around 40 or 50 polymers Concept 5.1 Monomers are connected together by dehydration synthesis (anabolic) - covalent bond w/ the loss of H2O Polymers are broken down by hydrolysis (catabolic) - reverse rxn. of dehydration synthesis - ?break with water? Concept 5.1 Dehydration removes a water molecule, forming a new bond Short polymer Unlinked monomer Longer polymer Dehydration reaction in the synthesis of a polymer HO HO HO H2O H H H 4 3 2 1 1 2 3 (a) Concept 5.1 Hydrolysis adds a water molecule, breaking a bond

AP Environmental science powerpoint

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Chapter 3 Notes Water and the Fitness of the Environment Concept 3.1 Water is a polar molecule, opposite ends have opposite charges. A slightly positive hydrogen is attracted to a slightly negative oxygen of a nearby molecule. The two molecules are held together by a hydrogen bond Concept 3.1 Hydrogen bond ? ? H ? + H O ?? ?? ? + ? + ? + ? ? ? ? ? ? Concept 3.2 Water will stick to each other with hydrogen bonds (1/20th as strong as covalent bonds). Results of Hydrogen bonds 1) Cohesion: when a substance (water) is held together by hydrogen bonds 2) Adhesion: the clinging of one substance to another Concept 3.2 Water-conducting cells Adhesion Cohesion 150 ?m Direction of water movement Concept 3.2

APES ch 2 ppt

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matter

Chapter 2 Science, Systems, Matter, and Energy Chapter Overview Questions What is science, and what do scientists do? What are major components and behaviors of complex systems? What are the basic forms of matter, and what makes matter useful as a resource? What types of changes can matter undergo and what scientific law governs matter? Chapter Overview Questions (cont?d) What are the major forms of energy, and what makes energy useful as a resource? What are two scientific laws governing changes of energy from one form to another? How are the scientific laws governing changes of matter and energy from one form to another related to resource use, environmental degradation and sustainability? Updates Online

APES ch 1 ppt

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sustainability

Chapter 1 Environmental Problems, Their Causes, and Sustainability Chapter Overview Questions What are the main themes of this book? What keeps us alive? What is an environmentally sustainable society? How fast is the human population growing? What is the difference between economic growth, economic development, and environmentally sustainable economic development? Chapter Overview Questions (cont?d) What are the harmful environmental effects of poverty and affluence? What three major human cultural changes have taken place since humans arrived? What are the four scientific principles of sustainability and how can we use them and shared visions to build more environmentally sustainable and just societies during this century? Updates Online

Chapter 3 Outline

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Environmental Science
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APES 08 Chapter 3 Outline I. BONDS A. Ionic 1. Metal-nonmetal 2. Atoms are oppositely charged B. Covalent 1. Nonmetal-nonmetal 2. Share electrons 3. Non-charged atoms C. Hydrogen 1. Between molecules of covalent bonds when electrons are shared unequally 2. Electrons are pulled closer to one molecule than another so ?charged? (electrons closer to O in water so O is slightly negative and H is slightly positive - Polarity II. ORGANIC COMPOUNDS (Covalent bonds) A. Hydrocarbons:combinations of hydrogen and carbon Occur in petroleum & natural gas 1. CH4 Methane Example : Jet fuel, gas, plastics, 2. C3H8 Propane Rubber, Oil B. Chloronated hydrocarbons combination of C,H,Cl

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