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Environmental Science: Toward A Sustainable Future Chapter 3
Environmental Science: Toward A Sustainable Future Chapter 3. Ecosystems: How They Work. Fig 2-13. Periodic Chart of Elements John Wiley — Resource Manager CD-ROM. N-CHOPS. Know definitions for the following:. Atom Element Energy First law of thermodynamics Matter Molecule
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Origin and Evolution of Life on Earth Bennett et al. Chapter 5
Origin and Evolution of Life on Earth Bennett et al. Chapter 5. HNRS 228 Astrobiology w/Dr. H. Geller. Origin and Evolution of Life on Earth - Chapter 5 Overview. Searching for the origin Functional beginnings of life From chemistry to biology at the molecular level Prokaryotes and oxygen
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Digital Media II: Light, Vision & Digital Images
Digital Media II: Light, Vision & Digital Images. Glenn Bresnahan glenn@bu.edu. Outline. What is light? Properties of light How do we see? Digital representation of images Computer display Digital image formats. How Do We See?. How Do We Hear?. Sound waves move through the air
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Light
Light. OBJECTIVES How light is made and how it travels. How we see things The difference between opaque, transparent and translucent materials. Light. Light is a form of ______. ENERGY. We need light to see things. SOURCES.
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Chapter 5, part B
Chapter 5, part B. Microbial Metabolism. Fermentation. Releases energy from oxidation of organic molecules Does not require oxygen Does not use the Krebs cycle or ETC Uses an organic molecule as the final electron acceptor. Fermentation. Figure 5.18b. Fermentation.
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8 th Science
Chemical Reactions. 8 th Science. Vocabulary. molecule – combination of 2 or more atoms bonded together compounds – substance made of 2 or more elements chemically combined synthesis – 2 or more substances combined to make a more complex substance
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Leaf Structure and Photosynthesis
Leaf Structure and Photosynthesis. Photosynthesis. Green plants (producers) can use light energy to make their own food This process is called photosynthesis Green plants are green because they contain a chemical called chlorophyll . This chemical is used to trap light energy.
By Faraday
The Law of Conservation of Energy
The Law of Conservation of Energy. Energy cannot be created or destroyed; it may be transformed from one form into another, but the total amount of energy never changes. What is energy?. “the ability to do work” The combination of energy and matter make up the universe:
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UNIT 15 – SOURCES OF ENERGY
UNIT 15 – SOURCES OF ENERGY. ENERGY FROM THE SUN. Also called solar energy Gives us heat and light energy Used in: 1. Photosynthesis (light energy chemical potential energy). Energy from the sun…. 2. Solar cells/panels (light energy electrical energy). Solar cells.
By JasminFlorian
Capacitance
Capacitance. T.T. + + +. + + + + +. - - -. - - - - -. Capacitance. The Capacitance of a body is defined as the ratio of the charge (Q) on the body to its potential (V):. Q = charge V = potential. A capacitor is device used to store energy.
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PHOTOSYNTHESIS
PHOTOSYNTHESIS. 6.1. The main form of energy from the sun is in the form of electromagnetic radiation Visible radiation ( white light) used for photosynthesis Remember : ROY G. BIV?. The electromagnetic spectrum.
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Intermediate 1 Physics
Intermediate 1 Physics . Telecommunication. Questions and Answers. Intermediate 1 Physics . Telecommunication. Questions 1 to 10. Questions 11 to 20. Questions 21 to 30. 1. The telephone, telegraph and radio are all forms of communication systems.
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Introductions & Logistics
Introductions & Logistics. IGNATIAN SILENT RETREAT. Fr. Chris Corbally, B.J.A. & Dr. Aileen O’Donoghue, S.K.J.G.P. September 23 – 25, 2011. © Copyright, Dr. Aileen O’Donoghue, St. Lawrence University. Introductions. Chris & Aileen Silence Please respect the silence of others
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Section 2: Photosynthesis
Section 2: Photosynthesis. Preview Bellringer Key Ideas Harvesting Light Energy Two Electron Transport Chains Producing Sugar Factors that Affect Photosynthesis Summary. Bellringer. Write down the primary role that sunlight plays in living systems, and then define photosynthesis.
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Exercise #6 PHOTOSYNTHESIS
Exercise #6 PHOTOSYNTHESIS. In the process of photosynthesis , several energy transformations take place. -Light energy is captured by plant cells and is converted into electrical energy in the form of high energy electrons. -The kinetic energy of the electron is transformed into
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REFER TO THE FOLLOWING ENERGY EFFICIENCEIS, EXPRESSED AS PERCENTAGES: A) 100% B) 95% C) 30% D) 15% E) 1%
REFER TO THE FOLLOWING ENERGY EFFICIENCEIS, EXPRESSED AS PERCENTAGES: A) 100% B) 95% C) 30% D) 15% E) 1%. APPROXIMATE EFFICIENCY OF AN AVERAGE COAL-FIRED POWER PLANT. APPROXIMATE EFFICIENCY OF THE CONVERSION OF LIGHT ENERGY TO CHEMICAL ENERGY IN PHOTOSYNTHESIS.
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PHOTOSYNTHESIS
PHOTOSYNTHESIS. Background. Equation - 6CO 2 + 6H 2 O+ light E C 6 H 12 O 6 + 6O 2 - CO 2 oxidized or reduced - H 2 O oxidized or reduced - Light energy in – endergonic or exergonic Transformation made from light E to chemical E. Light energy.
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Part 1
Part 1. Carbohydrates. Bond energy. When bonds are broken, energy (E) is released for use. When bonds are made, energy (E) is stored. Glucose: A Monosaccharide. Fructose: A Monosaccharide. Sucrose: A Disaccharide. Carbohydrates. 1. Carbohydrates are: an important energy (E) source
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SENSATION
SENSATION. dEF : the process by which our brain and nervous system receive input from the environment Our senses use transduction : transform one energy into another. VISION. VISIBLE LIGHT. The visible region of the electromagnetic spectrum (very limited in humans)
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Leaf Structure and Photosynthesis
Leaf Structure and Photosynthesis. Standard Grade Biology. Photosynthesis. Green plants (producers) can use light energy to make their own food This process is called photosynthesis
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