click the "Demos" button in upper right corner to get started
Do the frog first, then owl pellet

Froguts.com virtual frog dissection

http://froguts.com/flash_content/index.html

on paper:  write the steps you take to perform this dissection

include:  each cut, pin, and organ removed

you write:
   1.  pin frog - all 4 feet
   2.  slice - lengthwise throat to belly
                   crosswise throat
                   crosswise belly
and so on ...

more dissections to  explore:

http://curry.edschool.virginia.edu/go/frog/Frog2/

worm dissection:  http://bioweb.uwlax.edu/zoolab/Table_of_Contents/Lab-6b/Earthworm_Model_1/earthworm_model_1.htm

http://sps.k12.ar.us/massengale/earthworm_dissection.htm

Evolving Earth, pp 180-181

1. get paper ready
2. make notebook entry of step 2
             describe what you see   (evidence)
             what might explain this pattern (inference)
3. answer the wrapup questions, considering the entire three-part picture of tracks shown by Mr. A.

SRF   Science Reading Friday

and

interesting

and

relevant

and

http://news.bbc.co.uk/2/hi/science/nature/6108414.stm

http://news.bbc.co.uk/2/hi/europe/6114962.stm

http://news.bbc.co.uk/2/hi/uk_news/england/wiltshire/6112476.stm

http://news.bbc.co.uk/2/hi/science/nature/6108090.stm

http://news.bbc.co.uk/2/hi/science/nature/6111528.stm

http://www.ucsc.edu/news_events/press_releases/text.asp?pid=971

http://www.care2.com/news/member/525634130/212599

ecosystems sites 

food web:  http://oceanlink.island.net/oinfo/foodweb/foodweb.html

http://www.oceansonline.com/oceanicfoodwebs.htm

http://www3.umassd.edu/Public/Exhibit/DES300/game/web-fr.htm

http://octopus.gma.org/surfing/human/foodweb.html

online build an african web: http://www.vtaide.com/png/foodchains.htm

food chain:
http://www.planetpals.com/foodchain.html

http://www.geography4kids.com/files/land_foodchain.html

e-waste

tuna

UK birds

http://news.bbc.co.uk/2/hi/science/nature/6187228.stm

http://news.bbc.co.uk/2/hi/science/nature/6185548.stm

http://news.bbc.co.uk/2/hi/science/nature/4815230.stm

http://news.bbc.co.uk/2/hi/science/nature/6041570.stm  Venus

1. Changes in Systems
2. Properties of Systems
3. Structure of Systems

Science/Nature various
http://news.bbc.co.uk/1/hi/sci/tech/default.stm

http://birds.cornell.edu/programs/AllAboutBirds/BirdGuide

http://birds.cornell.edu/programs/AllAboutBirds