Saturday, November 21, 2009

Essay 2. final exam

The resources and human impacts on Earth systems. the number of nonrenwable natural resources is very limited. They affect a lot of things, for example lanscapes, ecosystems, and can also have long term affects on the climate effects.
firstly is about the nonrenewable and renewable sources of energy for human compsumption. Renewable engery is the energy that is generated by natural resources, such as sunlight, wind, and rain. Non Renewable energy cannot be pruduced or regrown. It often exsits in a fixed amount, unless they are consumed much faster than nature can create.
Secondly is the impact of human activites on the enviorment. Deforestation is the the clearence of natural resources occurring forests by the processes of people's logging and/or burning of trees in a forested area. the four Earth sysetems are air, land, water,and ice.
thirdly is the desscription of the life cycle of product. A new product progresses through a sequence of stages from introduction to growth, maturity, and decline. the introduction stage is to develope a market for the poduct. The growth stage is in increassing the market place. the maturity stage is to defend market share while maximizing profit. the decline stage has several options, for example maitaine the product, harvest the product, and discontunie the product.


bibliography

http://en.wikipedia.org/wiki/Renewable_energy
http://en.wikipedia.org/wiki/Non-renewable_resources
http://en.wikipedia.org/wiki/Deforestation
http://www.quickmba.com/marketing/product/lifecycle/

Friday, November 20, 2009

Essay 1. final exam

The water cycle. WOW so much to say about it. Like everything the water cycle includes, analyze the flow of water, and features and process including the cycles of flooding, erosion, and deposition as they occur naturally.
Firstly let’s talk about what the water cycle includes; it includes evaporation is the process at which the water changes from a liquid to a gas or vapor. Why does the evaporation occur? Well it occurs because heat is necessary for an evaporation to occur. The energy used to create the evaporation is used to break the bonds that would hold the molecules together. This is primarily why the water cycle easily evaporates in a boiling point. Transpiration is the process by which the moisture is carried between the plants from the small pores on the underneath of leaves. Condensation is the process of a water vapor in the sir is changed to liquid water. Condensation is very important to the water cycle because it is responsible for the formation of clouds. Precipitation is water released from clouds in the form of rain, freezing rain, sleet, or hail. This is primarily important in the water cycle because it’s the delivery of atmospheric water to the Earth. Infiltration remains in the shallow soil layer where it will gradually move vertically or horizontally through the soil and subsurface material. Surface runoff is the water that returns from the Earths precipitation and runs off the surface of the land and flows down the hill and goes into stream, rivers, and ponds. Through the surface runoff much of the water returns to the river, streams, and ponds again. Groundwater is located beneath the ground surface in a soil pore spaces. Groundwater is thought of as liquid water flowing through shallow aquifers.
Secondly it’s about the watershed, and the surface features, for example lakes, streams, and wet lands. A watershed is an area on land where all the water falls in it and the drains and off it goes to the same place. It can be as small as a footprint. Many large watersheds contain another smaller watershed. A stream flow is changing all the time, minute by minute.
Lastly but not least. Erosion is gravity driven process that moves so Deposition is the final step in the erosion depositional system. The smaller particles settle more slowly than the larger ones do.


bibliography

http://www.regentsprep.org/Regents/earthsci/units/weathering/erosion.cfm
http://en.wikipedia.org/wiki/Groundwater)
(http://www.angelfire.com/nj/PflommScience/H20Cycle.htm
http://ga.water.usgs.gov/edu/watercycleinfiltration.html)
(http://ga.water.usgs.gov/edu/watercycleprecipitation.html)
(http://ga.water.usgs.gov/edu/watercyclecondensation.html
(http://ga.water.usgs.gov/edu/watercycletranspiration.html
(http://ga.water.usgs.gov/edu/watercycleevaporation.html
http://cd7.e2bn.net/e2bn/leas/c99/schools/cd7/website/images/bp-watercycle2.jpg
http://www.watershed411.com/images/watershed1_ew5a.jpg

Wednesday, November 4, 2009

Bio bottle 11-4-09

my bio bottle is called terra aqua, at the begining of week one i had put a fish in my bio bottle has of week three my fish is still alive and kicking. even tough nothing has grown in my bio bottle im still happy that my fish is alive

Monday, November 2, 2009

NASA

Lights, spectra, and images:
What i read:
most telescopes can produce many images. but they can also be made using the light that we cant see with are eyes.
Score of the test: 33%

X-ray Binary star system:
What i read:
that the star contains two orbits around the common center of mass. they are made up of a normal star and collapsed star. the x-rays come from the area around the collapsed star where the material that is falling toward it is heated to very high temperatures.
Score of the test: 100% with fireworks

How Do Massive Black Holes Grow: black holes up to about 50 times the mass or the sun that can be formed by normal process in very massive stars. many astronomers think that most spiarl and elliptical galaxies contain massive black holes.
Score on the test: couldn't find the test for this one

Spectral Analysis: in the 19th century many people thought it would be impossible to determine a chemical composition for stars.
Sore on the test: 100% with flying colors





Thursday, October 22, 2009

Nature Walk

1. a lot of bugs
2. Different kind of trees
3. smelled bad
4. a lot of leaves
5. long trails
6. isn't taken care of well
7.box elder bugs
8. poison ivy
9.you could her he birds
10. trails were slippery and muddy
11. we should line the trails with branches
12. i saw a frog
13. i saw a chipmunk
14.mushrooms
15.butterfly

I think the nature trail is important to the community, because it's a valuable resource and you can learn stuff about all of the different types of trees and bugs.

Monday, October 5, 2009

climate

Climate Change
i learned that climate change is the variation in global pr regional climates over time. it reflects variability. example like variation in sunlight intensity.
http://en.wikipedia.org/wiki/Climate#Climate_change

Global Dimming,
Its when fossil fuel use make clouds reflect the suns rays into space.less heat and energy reach the earth. it is belived that global dimming caused the droughts in ethiopia that killed millions.
http://www.globalissues.org/article/529/global-dimming

Recycling center project

i think the day we presented are project was good, except for the surveys that we did from the middle school. i think some of the kids just said yes just because they didn't know what to say.