Science Web Quest (7th): Watershed

Part 1: Storm Water Runoff

http://www.swfwmd.state.fl.us/education/kids/stormwater.php

Part 2: Watersheds

https://clu-in.org/search/t.focus/id/602/

Part 3: The Groundwater Foundation

http://www.groundwater.org/get-informed/basics/groundwater.html

Science Web Surf (8th): The Periodic Table

Part 1: Periodic Table

http://periodic.lanl.gov/index.shtml

Part 2: Atoms and Elements: The Periodic Table

http://www.bbc.co.uk/bitesize/ks3/science/chemical_material_behaviour/atoms_elements/revision/4/

Part 3: Interactive: The Periodic Table

http://www.learner.org/interactives/periodic/

Science Web Surf 7th Grade: External and Internal Stimuli

Part 1: External Stimulus - Plants

http://plantsinmotion.bio.indiana.edu/plantmotion/movements/tropism/tropisms.html

Part 2: External Stimulus - Animals

http://www.nps.gov/dena/learn/education/classrooms/upload/Activity-Reading-Migration.pdf

Part 3: Homeostasis

http://newt.phys.unsw.edu.au/biosnippets/