2 November 27th Topic: Energy/Non-renewable Energy Bell Ringer: 1. What resources do human use to power their electronics? 2. How do these resources affect the Earth?
3 November 27th - Circle Diagram In the center of your circle, you need to write the word Climate Change and around that word write words that relate to Climate Change
4 November 27th - Follow Up Questions Complete the follow up questions When finished raise your hand so I can pass along your homework and stamp your questions HW: Situational Question about Drilling due TOMORROW!
5 November 28th Topic: Renewable Energy Day 1 Bell Ringer: 1. What words would you associate with renewable? (List at least 5)
6 NC Poster Project 1. By the End of Today the following should be complete: a. Research your renewable energy i. Definition ii. How to harness it iii. Where in NC it occurs iv. Advantages and Disadvantages
7 Welcome! November 29th Topic: Renewable Energy Day 2 Bell Ringer: 1. Hypothesize why humans pick nonrenewable resources over renewable resources.
8 NC Poster Project 1. You have 20 minutes to apply your information to your construction poster 2. When complete retrieve tape and tape it to cabinets or wall!
9 Welcome! November 30th Topic: Solar Radiation Bell Ringer: 1. Based on the different types of renewable resources, if you lived near Coastal Carolina what type of energy would you use and EXPLAIN why!
11 What is Energy? Gives off heat or light Energy causes movement
12 What are Nonrenewable Resources? Takes millions of years to form Finite (limited) supply Ex: Fossil fuels Rocks Minerals
13 What are Fossil Fuels? Any past living material that is found in rock that is mined out as an energy resource
14 Types of Nonrenewable Energy Resources Coal Oil Natural gas Tar sands Oil shale
15 Using Coal Pros High energy Cost of coal is low Cons Dirty fuel Releases CO2, SO2, and NO2 as pollutants Destroys the land 300 years left
16 What is OIL? Remains of plants and animals that are buried in ancient seas Extracted by drilling a well Refined as a gasoline product for fuels
17 What is Natural Gas? Trapped in porous rock beneath the Earth above oil deposits
18 e/ Using Natural Gas Pros Cleanest energy mined Cons Releases CO2 into the atmosphere Fracking wells injected water and gets into well water 125 to 200 years left
19 Nuclear reactors use mined Uranium to convert to Plutonium through fission (splitting of atoms) PROS Large fuel supply Low CO2 emissions CONS Accidents Japan and Chernobyl Reactors last only 40 years Expensive Uranium and Plutonium
20 Day 2 Renewable/Alternative Energy Objective I can explain the pros and cons of different types of renewable energy sources
21 What is Renewable Resources? Can be replenished over a fairly short period of time Ex Plants Wind Water Solar Energy
22 Types of Renewable Energy Biofuel Geothermal Hydroelectric Power Hydrogen Fuel Cells Solar Power Tidal Power Wave Power Wind Power
23 What is Biofuel? Uses plant material and animal waste that is converted into fuel
24 Using Biofuel Pros Tree farms can restore degraded lands Large potential supply Cons CO2 emissions if harvested and not planted back Soil erosion, water pollution, and loss of habitat
25 ECU 35 Biodiesel / Hybrid
26 ECU 51 BRT Clean Diesel Hybrid
27 What is Geothermal Energy? Energy is harnessed by trapping natural underground reservoirs of steam and hot water Used to turn turbines to generate electric power
28 Using Geothermal Energy Pros Available 24/7 Little emissions of CO2 and natural gas Cons Only available near geological activities Habitat destruction when building it
30 The Geysers
31 What is Hydroelectric Power? Water is stored behind a dam and released periodically Falling water turns turbines which produce electricity
32 Using Hydroelectric Power Pros Long life span No CO2 emissions Flood control method Provides water for year round irrigation Cons Expensive Convert land to water habitat Danger of it collapsing Decrease fish spawning
33 What are Hydrogen Fuel Cells? A device that converts chemical energy into electrical energy Splitting water atoms to extract the hydrogen for energy use
34 Using Hydrogen Fuel Cells Pros No CO2 emissions Safe Low environmental impact Cons High Cost Doesn t last long when made Not readily available
35 What is Solar Energy? Uses energy from the sun to produce energy
36 Using Solar Energy Pros Free No CO2 emissions Low air and water pollution Cons Need access to sun 60% of time Need a heat storage system Collection system is expensive
37 Types of Solar Energy Passive system: Absorbs & stores heat from the sun directly within a structure Active system: Collectors absorb solar energy, a pump supplies part of a buildings heating or water heating needs.
38 What is Tidal Power? Uses the force of water during high tide to turn a turbine to create energy
39 Using Tidal Power Pros Know when daily high tides No CO2 emission Cons Unreliable on west coast of U.S. Expensive equipment
40 Tidal Dam Why is a large tidal range need to produce power?
41 What is Wave Energy? The motion of wind driven waves at the ocean s surface is converted into electricity
42 Using Wave Energy Pros No CO2 emission Works during day and night Cons Expensive Machines break down and corrode in water
43 What is Wind Energy? Uses wind to turn a turbine to create energy In 10 years, 10% of the country s demand for electricity could be meet by wind power
44 Using Wind Energy Pros High efficient Low environmental impact No CO2 emissions Quick construction Cons Need steady winds Noise and Visual Pollution Damage/death to animals (birds)
47 Day 3 Objective: I can explain how the use of resources is affecting the Earth
48 What is the problem?? Natural resources are depleting They will soon be gone if we don t do anything about it What can we do?
49 Sustainability Conservation the careful use of resources What is Sustainability? Meeting the needs of the present without compromising the ability of future generations to meet their own needs.
50 How you can save Energy? Recycle when possible Let the sun in on bright winter days to warm rooms Use energy-saving fluorescent bulbs Turn off lights when you leave a room Turn off radio, TV or computer when not in use Walk or ride a bike when you can Find and use Energy Star products
51 The 3R Philosophy Refers to Reduce, Reuse, and Recycle in the context of production and consumption Calls for: An increase in the ratio of recycled materials, The reuse of raw materials and manufactured wastes, and Reduction of resources and energy used
52 Reduce Reduce the size, number, or use of nonrenewable resources Don t buy over packaged products Buy in bulk Buy refills and concentrates Choose less heavily processed products
53 Reuse To put into action or service again, instead of throwing it away. Compost lawn clippings Use reusable containers
54 Recycle To use again or to reuse waste material by converting it into something new Use white boards to replace sticky notes Reuse packaging materials What can we recycle??
55 The energy saved from recycling one aluminum can will operate a computer for THREE hours. Stack the nearly 19 billion steel cans recycled in 1996 end to end, and you would have a line stretching from here to the moon and back more than three times (based on a can height of 5 inches). es v a s can hree m u min TV for t a u l a lf a ne a o n h u g r a to of clin t y y c n g r e e l e R en uiva h q g e u eno or the e. s in hour of gasol n gallo Americans throw away enough aluminum every three months to rebuild our entire commercial air fleet.
56 Americans use 2,500,000 plastic bottles every hour. Most of them are thrown away. Five 2-liter recycled PET bottles provide enough fiberfill for a ski jacket. Every year, we make enough plastic film to shrink-wrap the state of Texas. Recycling plastic saves twice as much energy as burning it in an incinerator.
57 The amount of wood and paper we throw away each year is enough to heat 50,000,000 homes for 20 years. To produce each week s Sunday newspapers, 500,000 trees must be cut down. If all our newspaper was recycled, we could save about 250,000,000 trees each year. We throw away enough office paper annually to build a wall twelve feet high stretching from Los Angeles to New York City.
58 Every month, we throw out enough glass bottles and jars to fill up a giant skyscraper. Glass can be recycled an infinite number of times. Recycling one ton of glass saves the equivalent of 10 gallons of oil. A modern glass bottle would take 4000 years or more to decompose and even longer if it s in the landfill. The energy saved from recycling one glass bottle will operate a 100-watt light bulb for four hours.
59 Welcome! Take out your notebooks and solar radiation article Hand in your vocabulary sheet Compare answers from article with your table partner At 9:10, we will go over it as a class.
60 Welcome! 1.
61 What is Ecological Footprint? A measure of human demand on the Earth s ecosystem Tracks how much land and water area a human population uses
62 The Future If current population and consumption trends continue, by the 2030 s, we will need 2 Earths to support us
63 Producing Energy Fusion Atoms combine together Used to produce energy Helium & Hydrogen Fission Atoms split in two Used to produce energy What nuclear power plants do
64 What does the Sun Emits? Electromagnetic Radiation Different waves of light based on wavelengths and frequency Arranged on the Electromagnetic Spectrum
65 Electromagnetic Spectrum Radio Waves lowest energy Infrared waves Visible Light (ROY G BIV) UV Rays X-rays Gamma Rays highest energy
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