Images: All pages Shadow heading on all pages created by N. Homerin, Copyright 2012, All rights reserved.
Image of groundhog on all pages used under CC licensing from http://openclipart.org/detail/116695/groundhog-emerging-by-eady
Image of arrow on all pages used under CC licensing from http://openclipart.org/detail/166862/go-next-orange-by-rygle
Home page Image of house on home page used under CC licensing from http://openclipart.org/detail/20195/home-icon-by-pitr-20195
Image of map pin on home page used under CC licensing from http://openclipart.org/detail/125407/map-pin-with-shadow-by-merlin2525
Image of perfect score on home page used under CC licensing from http://openclipart.org/detail/63553/perfect-score-by-mazeo
Image of question mark on home page used under CC licensing from http://openclipart.org/detail/25240/aiga-information--by-anonymous-25240
Image of library cart on home page used under CC licensing from http://openclipart.org/detail/6812/library-book-cart-by-stevelambert
Image of bunny shadow on home page created by N. Homerin, Copyright 2012, All rights reserved.
Image of creature shadow on home page created by N. Homerin, Copyright 2012, All rights reserved.
"Shadows" page Image of rose in slideshow on "Shadows" page used under CC licensing from http://openclipart.org/detail/452/rose-by-tomas_arad
Image of single ball in slideshow on "Shadows" page used under CC licensing from http://openclipart.org/detail/12521/ball-by-angelo_gemmi
Image of box in slideshow on "Shadows" page used under CC licensing from http://openclipart.org/detail/1509/cardboard-box-by-molumen
Image of street signs in slideshow on "Shadows" page used under CC licensing from http://openclipart.org/detail/29281/signposts-with-shadow-by-rfc1394-29281
Image of balls in slideshow on "Shadows" page used under CC licensing from http://openclipart.org/detail/118369/spheres-by-liquidsnake
Image of snowman in slideshow on "Shadows" page used under CC licensing from http://openclipart.org/detail/94825/holidays-by-dashell
Image of heart in slideshow on "Shadows" page used under CC licensing from http://openclipart.org/detail/120487/3d-heart-by-kevie
Image of house shadow on "Shadows" page created by N. Homerin, Copyright 2012, All rights reserved. Taken at the Museum of Science, Boston, MA.
"How do shadows form?" page Image of lightbulb on "How do shadows form?" page used under CC licensing from http://openclipart.org/detail/48397/light-bulb-on-by-palomaironique
Image of magnifying glass on "How do shadows form?" page used under CC licensing from http://openclipart.org/detail/13560/magnifying-glass-by-sarxos
"How do shadows change?" page Image of small bunny on "How do shadows change?" page created by N. Homerin, Copyright 2012, All rights reserved. Taken at the Museum of Science, Boston, MA.
Image of large bunny on "How do shadows change?" page created by N. Homerin, Copyright 2012, All rights reserved. Taken at the Museum of Science, Boston, MA.
Image of two houses on "How do shadows change?" page created by N. Homerin, Copyright 2012, All rights reserved. Taken at the Museum of Science, Boston, MA.
"Examples of shadows in nature" page Image of tree shadow on "Examples of shadows in nature" page created by N. Homerin, Copyright 2012, All rights reserved.
Image of groundhog on "Examples of shadows in nature" page used under CC licensing from http://openclipart.org/detail/116695/groundhog-emerging-by-eady
Image of building on "Examples of shadows in nature" page created by N. Homerin, Copyright 2012, All rights reserved.
Image of human shadow on"Examples of shadows in nature" page created by N. Homerin, Copyright 2012, All rights reserved.
Image of plant on "Examples of shadows in nature" page created by N. Homerin, Copyright 2012, All rights reserved.
Image of grasshopper on "Examples of shadows in nature" page used under CC licensing from http://openclipart.org/detail/4439/grasshopper-by-emeza
"Quiz" page Image of happy face on "Quiz" page used under CC licensing from http://openclipart.org/detail/30217/tango-face-smile-by-warszawianka
Image of sad face on "Quiz" page used under CC licensing from http://openclipart.org/detail/30223/tango-face-sad-by-warszawianka
Audio: Voki on all pages created by N. Homerin, Copyright 2012. Created using www.voki.com. Available under creative commons licensing with attributions to author.
Shadow song on "How do shadows form?" page created by N. Homerin, Copyright 2012, All rights reserved. Created using http://studio.stupeflix.com
Great job voice on "Quiz" page created by N. Homerin, Copyright 2012, All rights reserved. Created using GarageBand.
Try again voice on "Quiz" page created by N. Homerin, Copyright 2012, All rights reserved. Created using GarageBand.
Video: YouTube video on "How do shadows change?" page created by N. Homerin, Copyright 2012, All rights reserved. Recorded at the Museum of Science, Boston, MA.
Internet Content: All text written by N. Homerin, Copyright 2012, All rights reserved.
Information about shadows on all pages referenced from NASA, which is in the public domain http://www.nasa.gov/audience/forstudents/k-4/home/F_Keeping_Cool_With_Shadows.html
Links: External link on "How do shadows form?" page leads to http://pbskids.org/sid/shadowshow.html used under Fair Use.
External link on "How do shadows change?" page leads to http://www.sciencekids.co.nz/gamesactivities/lightshadows.html used under Fair Use.