I came across these "old-fashioned" learning riddles/games that are still very valuable in developing various higher-order thinking skills.
To bring them into the 21st century, the teacher could use Twitter to tweet a different problem each day, and students could provide their answers via Twitter and also compare other their responses with those of their classmates. The same idea could be applied to Facebook, foursquare, or the other social networking sites that students use.
Simple dissection of a salmon. Students can be exposed the the inner working of a salmon. At very least, the learner will be able to clean the inside of a fish for dinner.
Useful ages 11+ this free, online simulation game allows learners to play the role of an "Oiligarch" an oil baron, building profits but also causing environmental and economic problems. It is useful for natural sciences, social sciences, environmental science, and economics courses.
This fairly simply but interesting game centers on practicing knowledge about the mummification processes of ancient Egyptian embalmers. The player plays the role of the embalmer who has to practice all the right steps and use the correct tools in the correct order so that the deceased pharoah is granted access to the afterlife.
This site is geared toward middle schoolers and has a lot of health information. They can find out more about nutrition by going to the Body tab and clicking on the "More on Body" link at the bottom of the page. This takes them to a site that has information about proper nutrition and what they can do to be healthier. This is a good site to use for researching nutrtional requirements.
This site is for younger kids but is does have the nutrition information for fruits and vegetables and the Recommended Daily Intake (RDI) of the fruits and vegetables. The students can get the chart from this site, http://www.dole.com/funfacts-chart9-13.html.
This seems to be a more engaging graphical way to show the different cells and how they divide and get rid of dead cells. Mostly information presentation not very interactive.