Here are some links you may want to consult for summer camp science projects and activities.
Make your own Solar Observatory http://www.sunderstanding.net/solarobservatory.htm
Make your own Star Clock Look for Make Your Own Star Clock under the Home Activities link section. http://www.lawrencehallofscience.org/kids/
Make your own Sundial Look for Make Your Own Sundial on the Things To Do link page. http://www.hartrao.ac.za/other/todo.html
Pinhole Astrophotography Could the ancient Egyptians have observed sunspots? You can find detailed information here about observing Pinhole Sunspots as well as other Pinhole Astronomy links. http://users.erols.com/njastro/barry/pages/pinhole.htm
Solar Field Activities http://www.jsu.edu/depart/epic/fieldschool/pages/thesun.htm
Microscope Links http://www.agresearch.co.nz/scied/search/tools/microscopes/index_microscopes.htm
Microbiology Links http://www.agresearch.co.nz/scied/search/microbiology/microbiol_links.htm
Water-Drop Microscope http://www.mada.org.il/website/html/eng/6/6-13.htm
Water Microscopes http://www.microscopy-uk.org.uk/mag/art98/watermic.html
Uncle Al's Sky Wheels Download sky wheels from Hands-on Universe Explorations in the Home Activities section or go to http://hou.lbl.gov/explorations/ http://www.lawrencehallofscience.org/kids/
Make a Pringles Pinhole Camera http://www.exploratorium.edu/science_explorer/pringles_pinhole.html
Make your classroom into a Pinhole Camera Solar Observatory http://science.nasa.gov/ssl/pad/solar/tutorials/lessons/pincam.htm
Science Olympiad Bottle Rocket Links http://www.soinc.org/events/botrockets/index.htm
The Science Toy Maker Homepage An excellent site for easy to make projects. Also take advantage of the links to other science project sites and link to ten exploratorium sites. http://www.sciencetoymaker.org
Make a Homemade Bow and Arrow Information: Three articles in this index http://www.wildwoodsurvival.com/survival/hunting/bowandarrow/index.html
Make a Quick Homemade Bow and Arrow http://grandpappy.info/wbow.htm
Make a Homemade Bow and Arrow http://wikihow.com/Make-a-Flat-Bow-and-Arrow
US Army Survival Manual FM 21-76 Free PDF Download http://equipped.com/fm21-76.htm
Kid's Survival Kit http://www.equipped.org/kidequip.htm
Nasa Bottle Rocket Site http://exploration.grc.nasa.gov/education/rocket/BottleRocket/about.htm
Water Rocket Annex http://dogrocket.home.mindspring.com/WaterRockets/
Wikipedia Site with Links http://en.wikipedia.org/wiki/Water_rocket
Water Rocket with 3 Boosters Video http://blog.makezine.com/archive/2009/08/water_rockets_with_drop-away_booste.html
Water Rocket News and Video http://uswaterrockets.com/
Solar Cooking See types and plans sections. http://solarcooking.wikia.com
Solar Cookers See links section. http://en.wikipedia.org/wiki/Solar_cooker
Cook With The Sun See recipes section. http://www.cookwiththesun.com
Boomerang Resources For Kids http://www.flight-toys.com/boomerang/kids.html
Hot Links to the Wonderful World of Boomerangs http://www.flight-toys.com/boomerangs.htm
Boomerangs See links section. http://en.wikipedia.org/wiki/Boomerang
Homemade Percussion & Junk Music Homemade percussion instruments. http://www.rhythmweb.com/homemade/
Homemade Bubble Solutions http://bubbleblowers.com/homemade.html
Homemade Outdoor Gear http://www.backpacking.net/makegear.html
Survival Topics http://www.survivaltopics.com/
Survival Blog http://www.survivalblog.com/
Crafts for Kids http://ivyjoy.com/rayne/craftsforkids.html
More links for summer project topics can be found using Google Safe Search below.