Environmental Science (5th period) Lesson 8/29/08
August 29, 2008
Answer these questions in your notebook. You do NOT need to copy the questions.
Go to http://www.npr.org/news/specials/climate/interactive/
Click on Carbon Power >>
1. ______ emerged as the key to commercial, economic, and political success during the Industrial Revolution.
2. Global average temperatures are predicted to rise between _____ F and _____ F by 2100.
Click on In Depth: CO2 and Climate Change
3. Over the last 4.5 billion years of Earth’s history, its climate has _____________, meaning it has gone up and down and up and down. In 2 million years of human history, sometimes we adapted, and sometimes we couldn’t and ______ as a result.
4. Look at the graph called “The Keeling Curve.” Since 1958 the amount of CO2 has increased from about _______ parts per million to _______ parts per million in 2006.
5. It’s everyday activities like switching on a ________ _____ , driving a car, clearing __________ and planting crops, that are adding vast quantities of _________ __________ to the atmosphere and raising global temperatures as a result.
6. Some of the radiation from the sun is visible and some of it is invisible, like _________________ light.
7. Describe two fates of solar radiation that strikes Earth.
8. Some of the infrared energy is beamed back into space and trapped by the __ __ __ __ __ in the atmosphere. This infrared energy heats up the gas molecules, helping to __________ the Earth.
9. The different atmospheric gases have _____________ abilities to trap and radiate heat.
10. What are the 4 major warming gases in our atmosphere?
11. Which gas do we as humans have the most influence over (in terms of how much is released into the atmosphere)?
12. What two gases are produced through farming and industry?
13. What has been the range of CO2 levels (in parts per million) over the last 650,000 years? What was the CO2 level in 2005? That is ________ than it has been in 650,000 years.
14. We have control over whether or not we _______ fossil fuels or release _____________ chemicals, but we don’t have control over things like ___________ in the Earth’s orbit or changes in __________ radiation, the latter two changes being additional factors that could lead to global warming.
15. One idea for “sequestering” CO2 is for coal-fired power plants to pump it deep __________________. However, it will cost at least _____ percent more to generate electricity this way, and all the CO2 might not stay trapped __________________.
Go back to http://www.npr.org/news/specials/climate/interactive/
Click on Warming Seas >>
16. When the ocean warms by just a few degrees, this can lead to a rise in _____ _____________and produce changes in ocean ___________ and ___________.
17. These changes could threaten coral reefs and mangroves, which do what two things for humans?
Click on Desert >>
18. Parts of West Africa do not receive much ___________ and in the last 30-40 years have suffered devastating ___________. Scientists aren’t sure whether global warming will result in a _________ or _________ future for the Sahel.
Click on Heat Wave >>
19. What are three terrible effects of climate change await Europe due to climate change?
20. How many died in a 2003 heat wave in Europe? How much money (in $) were lost in agricultural damage?
Click on Thawing Ice >>
21. Global warming in the Arctic could cause temperatures to rise between ____ and ____ F by 2100, and this will threaten millions of livelihoods and wipe out ________ _______ within the century.
22. What are three possible benefits of the Arctic thaw?
Click on Monsoon >>
23. Almost ______ of the world’s population (mostly subsistence farmers) live in areas affected by the Asia monsoon. If global warming causes too much rain (a greater monsoon), that could lead to a _________, but too little rain could lead to dead crops and _____________.
Click on Forest >>
24. The Amazon absorbs _____ ______________ tons of carbon every year.
25. By burning forest to make room for cattle grazing and soybean farms, much ___________ is sent back into the atmosphere.
Click on the map on the location/area/continent where your ancestors come from.
26. Write something you learned about your ancestors’ homeland as related to global climate change/warming.
Biology Honors 3rd and 6th - Questions on the Article
August 29, 2008
Article: Stationary bike designed to create electricity; S.F. Chronicle 8/23/08; Author: Nick Czap
To read the article, click here: http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2008/08/23/HOKO11469A.DTL&hw=stationary+bike&sn=001&sc=1000
Answer the following questions. You do NOT need to copy the questions.
1. Butcher’s bike is designed to maximize what two things?
2. a. What does the wooden flywheel drive? b. What does the electric motor generate? c. Where does the electricity flow?
3. Are the batteries new?
4. What does “off-the-grid” mean?
5. What 4 things are powered by Butcher’s stationary bike?
6. Butcher’s electricity bill was zero, because ___% was covered by his pedaling, and the other 99% was covered by the energy put back into the grid from his ___________________ (solar) panels.
7. Describe the four ways in which Butcher’s home saves energy.
8. How many pounds has Butcher lost as a result of all of his pedaling?
9. Why doesn’t Butcher want to sell his pedal generator to gyms?
10. Is the writer of the article able to power a CFL (compact ________________ ___________) through pedaling?
11. Is the writer of the article able to make a cup of coffee through pedaling?
Look at the diagram on the last page (or if you’re reading the article on the computer, click here for the diagram: http://www.sfgate.com/cgi-bin/object/article?f=/c/a/2008/08/23/HOKO11469A.DTL&o=1)
12. The DC motor is connected to ______________/storage, which are then connected to the _____________ ______________, and lastly to the __________.
13. One hour of pedaling will power
a. ______ hours of an ultra-efficient refrigerator.
b. ______ hours of a cell phone charger.
c. ______ hours of a compact fluorescent bulb.
d. ______ of a laptop computer.
e. ______ hours of a 100-watt incandescent bulb.
f. ______ minutes of a kitchen blender.
g. ______ minute ______ seconds of a clothes dryer.
Environmental Science (5th period) Lesson 8/28/08
August 28, 2008
Write the answers in the front of your notebook. You do NOT need to copy the questions.
Go to http://www.teachersdomain.org/resources/tdc02/sci/life/eco/warmingweb/index.html
Click View. (if it tells you to register, just click “Take a test drive”)
(#1-9) Choose and click on 9 home appliances. For each item, describe:
a. how many kWh an Average item uses;
b. how many gallons of oil (if that information is given);
c. how many lbs. of CO2 it gives off;
d. 2 ways to make that item more energy-efficient.
Click on the car (you have to scroll to the far right).
10. a. How many more gallons of gas a year does a Sport Utility Vehicle use compared to a new (smaller) car?
b. How many more pounds of CO2 a year does a Sport Utility Vehicle give off compared to a new (smaller) car?
Go back to the website (http://www.teachersdomain.org/resources/tdc02/sci/life/eco/warmingweb/index.html
Read the Background Essay.
11. The U.S. is responsible for what fraction of the world’s energy consumption?
12. On average, each American releases approximately ____ tons of carbon dioxide (CO2) into the air each year.
13. A typical U.S. family spends close to $________ per year on home utility bills.
14. By reducing the amount of energy used in the home, families will save money as well as reduce the amount of ______ that gets pumped into thee atmosphere.
Powers of 10 and Biochemistry - (2nd,3rd,6th periods) - 8/28/08
August 26, 2008
Powers of 10 website and Biochemistry Internet Questions PART 1: Write the answers in your NOTEBOOK. You only need to copy questions #4,8,9,10,14,16,17,18. The rest of the questions, just write the answer.
Go to: http://micro.magnet.fsu.edu/primer/java/scienceopticsu/powersof10/index.html
The above website requires that the computer you’re using has JAVA. If it does not, go to http://www.powersof10.com/index.php?mod=register_film to watch the film. Click where it says: Already Registerd…Click here.
The pictures show you what the Earth looks like as you move in by a factor or power of 10 at a time.
Questions: You do NOT have to copy the questions. Answer these questions in your notebook.
|
1. What do you see at a. 1022 meters? b. 1013 meters? c. 108 meters? d. 106 meters?
e. 101 meters? f. 10-1 meters? g. 10-5 meters? h. 10-8 meters? i. 10-14 meters? |
Some answers to #1 include: DNA, nucleus of an atom, tree, Earth, our solar system, stomata (holes on a leaf), the Milky Way, leaf, Florida state |
Read the information on the website: http://micro.magnet.fsu.edu/primer/java/scienceopticsu/powersof10/index.html
2. Write how wide Earth is in exponential notation.
3. Write how wide a plant cell is in exponential notation.
4. What tools do scientists use to observe tiny (small) things? (Name two things).
5. What tools do scientists use to observe things that are far away? (Name one thing).
6. Who was the architect who originally advanced the Powers of Ten concept?
PART 2: COPY QUESTIONS #’s 4,8,9,10,14,16,17,18 IN YOUR NOTEBOOK AND THEN ANSWER THEM.
Go to http://www.biology.arizona.edu/biochemistry/biochemistry.html
Click on Chemistry. Click on Basic Chemistry for Understanding Biology.
7. What is the abbreviation (the symbol) for Carbon? ___ for Sodium? ____
8. What are the 4 elements make up 99% of living organisms?
9. Define: a. element b. atom
10. Copy the picture of the Oxygen atom and the Carbon atom. Label the electrons.
11. How many bonds with other atoms can Hydrogen form? Oxygen? Carbon?
Click on <Previous. Click on Chemical bonds and attractive forces.
12. Copy the picture of the Structural Formula and Covalent Bond Diagram for Methane.
13. What kind of molecule is insulin? P __ O __ __ __ __.
Click on Main Page of Tutorial. Click on The Chemistry of Water.
14. Water is a “polar” molecule. What does this mean?
15. Copy the picture of the two water molecules. Label the H bond (Hydrogen bond) between them.
16. If a solution (a liquid) is an acid (acidic), it has a pH of _____ - _____.
17. If a solution (a liquid) is a base (basic), it has a pH of _____ - _____.
18. Water is neutral, so it has a pH of _____.
