http://www.bbc.co.uk/education/subjects/z6svr82 BBC Key Stage 1 Science

http://www.bbc.co.uk/education/subjects/z2pfb9q BBC Key Stage 2 Science

http://www.primaryresources.co.uk/science/ Science activities from Primary Resources

http://www.topmarks.co.uk/Interactive.aspx?cat=62 Key Sage 1 Science activities from Topmarks

http://www.topmarks.co.uk/Interactive.aspx?cat=68 Key Sage 2 Science activities from Topmarks

http://www.planet-science.com/ Planet Science

http://www.sciencemuseum.org.uk/ Science Museum

http://www.nhm.ac.uk/ Natural History Museum

http://www.hhmi.org/biointeractive Hundreds of free Science Education Resources

http://pbskids.org/zoom/sci/ Lots of Science activities

http://science.howstuffworks.com/ Science section of How Stuff Works

http://whyfiles.org The Why Files - science behind the news

http://www.yptenc.org.uk/ Young People's Trust for the Environment - Lots of information about the environment

http://www.innerbody.com/ The Inner Human Body

http://thevirtualheart.org/ A virtual heart

http://faculty.washington.edu/chudler/neurok.html The brain and nervous system

http://www.lincstrust.org.uk/ Lincolnshire Wildlife Trust - our local environmental organisation with lots of places to visit

http://www.oum.ox.ac.uk/thezone/ The Learning Zone from Oxford University Museum of Natural History

http://ngkids.co.uk/ National Geographic Kids

http://www.mnh.si.edu/arctic/ Arctic Studies Centre

http://wildwhales.org/ All about whale

http://www.hamilton-trust.org.uk/browse/science/y3/light-year-3/109700 Light Year 3

http://www.hamilton-trust.org.uk/browse/science/y6/light-year-6/86901 Light Year 6

http://www.nasa.gov/ NASA Home Page - the whole site is huge

http://www.nasa.gov/audience/forstudents/k-4/ NASA site for Key Stage 1

http://www.nasa.gov/audience/forstudents/5-8/ NASA site for Key Stage 2

http://www.nasa.gov/audience/forkids/kidsclub/flash/ NASA Kids Club

http://nix.nasa.gov/ NASA Pictures, video and sound

http://spaceflight.nasa.gov/ Space flight information from NASA

http://apod.nasa.gov/apod/astropix.html Astronomy - picture of the day

http://starchild.gsfc.nasa.gov/ Star Child - for young astronomers

http://asd.gsfc.nasa.gov/archive/hubble/ The Hubble Space Telescope section of the NASA site

http://hubblesite.org/ Hubble Space Telescope including lots of photos

http://www.nineplanets.org/ The Nine Planets - Tour of the Universe via: http://nineplanets.org/tour/

http://www.pbs.org/wgbh/nova/tothemoon/ all about the moon

http://amazingspace.org/ Amazing Space

http://www.schoolsobservatory.org.uk/ Information from the National Schools' Observatory