Chemical vs. Physical Changes

Remember:  A chemical change occurs when two or more substances combine to form a new substance.  A physical change occurs when a substance changes states of matter and there is no change in the chemical composition.

Click on the following link and test your knowledge of chemical and physical changes.  When you have completed all the questions, take a screen shot of the results and email to me.

http://vital.cs.ohiou.edu/steamwebsite/downloads/ChangeLab.swf

Discipline Survey

Please complete the following discipline survey:

https://www.surveymonkey.com/s/CYJ6HBC

Density

Remember what you learned in 6th grade about density.  The density of an object can be determined if you know the mass of the object and the volume it displaces.

To find density:  m/v

http://www.edinformatics.com/math_science/density.htm

Dichotomous Keys

Leaves:  http://nationalzoo.si.edu/Education/ConservationCentral/walk/walk4.html
Water Creatures:  http://dnr.wi.gov/org/caer/ce/eek/critter/watercritter/critterindex.htm

Sexual/Asexual Reproduction

Use the following link to play the dating game and determine the best mate for each contestant.

http://www.pbs.org/wgbh/evolution/sex/mating/index.html

Review Games

Adaptations:
http://www.harcourtschool.com/activity/animalneeds/
http://magma.nationalgeographic.com/ngexplorer/0211/games/game.cgi

Human Body:
http://www.learninggamesforkids.com/health_games_body_parts.html
http://www.bbc.co.uk/science/humanbody/body/index_interactivebody.shtml

Internal Adaptations

Internal Adaptation Poster:

Use the following websites to research your internal adaptation.

Gills:

http://encyclopedia.kids.net.au/page/gi/Gill

http://fish.mongabay.com/anatomy.htm

http://www.ehow.com/about_4595983_why-do-fish-have-gills.html

Hollow Bones:

http://en.wikipedia.org/wiki/Bird_anatomy#Skeletal_system

http://www.earthlife.net/birds/anatomy.html

Xylem in Plants:

http://www.biology4kids.com/files/plants_xylemphloem.html

http://herbarium.desu.edu/pfk/page20/page21/page21.html