This science museum site has problem solving puzzles with challenges to different levels. Answers are provided for those in despair!!! Year 6 may find this particularly useful.

Launch Ball is an online physics flavoured brain teaser.

This is a classic puzzle of achieving a volume of water from two other
vessels. If you have seen Lethal Weapon then you would recognise this
puzzle. This will be referred to in Year 5 science lessons on water!!

Mechanical simulation: Working model

Working Model is an excellent way to understanding rigid body dynamics through captivating visualization and fun simulations.

Beam structure simulation: Bridge builder

At the intersection of architecture and mechanical engineering, Bridge builder is a free, fun and easy application which promotes logical thinking, innovation and material resistance.

3D Computer Aided Design: Google SketchUp

SketchUp is a 3D modelling program designed for professional architects, civil engineers... It is very intuitive, flexible, and easier to use than other 3D modeling programs.

Logical thinking: The Incredible Machine demo

The Incredible Machine (TIM)is a logical puzzle, to reach the target the player needs to build a strategy by the combination various strange components in a logical way.

Space simulation: ORBITER Space flight simulation

Do you fancy a trip into space ? This is a complete space simulator.
warning: This software is not easy to use and need some time to master as well as a strong computer configuration, but what a nice view from up there.

http://www.artyastro.com/main.htm

Has space and astronomy dictionary, travel to the 9 planets, in memory of space shuttle challenger, constellations, changing seasons, 4 games, create your own space scenes, receive space email, make your own star cruiser paper aeroplane, word matching activity.

http://school.discovery.com/schooladventures/skywatch/index.html

This is brilliant, the discovery channel’s kids site on everything space.   Loads of resources.   Teaching tools are OK,

NASA

http://www.nasa.gov/audience/foreducators/9-12/multimedia/index.html

Look at this site index for teachers

http://spaceplace.jpl.nasa.gov/en/kids/index.shtml

Games, animations, projects, and fun facts about Earth, space and technology.   Another NASA site.

http://www.nasa.gov/audience/forkids/home/

Stacks of stuff!!   NASA’s site for children.   Too much to list!   The video clips are really good.

http://kids.msfc.nasa.gov/

Another site under 13’s.

http://amazing-space.stsci.edu/eds/tools/

INTERACTIVE!!!   Fantastic interactive tools for whiteboard

http://amazing-space.stsci.edu/resources/explorations/

Online Space Explorations!!   Superb.

http://amazing-space.stsci.edu/eds/astronomy-basics.php

Facts about space all catagorised and very easy to use-excellent resource

http://amazing-space.stsci.edu/

Homepage of the website where the 2 above resources were found

http://image.gsfc.nasa.gov/poetry/ask/askmag.html

An astronomer’s website-for kids

http://starchild.gsfc.nasa.gov/docs/StarChild/StarChild.html

Learning centre for you astronomers

http://ology.amnh.org/astronomy/

Our place in space-excellent website from the American Museum of Natural History

http://anzwers.org/free/universe/