Astronomy
https://kidsastronomy.com/ 

Butterflies

http://www.thebutterflysite.com/

www.thebutterflywebsite.com

www.kidsbutterfly.org

http://www.nwf.org/Pollinators/Monarch.aspx

http://kidzone.ws/animals/monarch_butterfly.htm

http://www.enchantedlearning.com/subjects/butterfly/species/Monarch.shtml

http://www.worldwildlife.org/species/monarchbutterfly

http://animals.nationalgeographic.com/animals/bugs/monarch-butterfly/

http://articles.latimes.com/2010/mar/20/nation/la-na-monarchs20-2010mar20

http://www.sheppardsoftware.com/

 
http://www.midgefrazel.net/monarch0.html

Earth Day

http://www.abcteach.com/free/723.pdf

Ecology

http://sciencenetlinks.com/media/filer/2017/12/20/class.html ;
 

Food Chains

http://www.ecokids.ca/pub/eco_info/topics/frogs/chain_reaction/play_chainreaction.cfm

Electricity

http://www-g.eng.cam.ac.uk/mmg/teaching/peterstidwill/interact/interact.htm

Energy

http://www.energyquest.ca.gov/story/chapter01.html

Engineering

http://content3.jason.org/resource_content/content/digitallab/4859/misc_content/public/coaster.html

Insects
http://www.urbanext.uiuc.edu/insects/
http://kids.yahoo.com/animals/insects

Energy conservation
www.energyquest.ca.gov


Circuits
http://www.andythelwell.com/blobz/


BrainPop- Educational Movies on a variety of topics
http://www.brainpop.com/user/loginDo.weml?user=cpssis&password=sis


http://starchild.gsfc.nasa.gov/docs/StarChild/solar_system_level1/planets.html
The Planets

http://www.npwrc.usgs.gov/resource/distr/lepid/bflyusa/thumb/thumb.htm
Butterfly research


Tectonics Web Site-Interactive

http://observe.arc.nasa.gov/nasa/earth/tectonics/Tectonics1.html

Simple Machines
http://www.edheads.org/activities/simple-machines

States of Matter

www.nyu.edu/pages/mathmol/textbook/statesofmatter.html