Model Making
This idea works best for science project ideas like solar system, photosynthesis, global warming, etc. A poster or banner may also be kept in the background, to explain the working of the project, or give some additional information about it. Instead of using paper and cardboard, the models can also be made using food items. For example, using fruits to represent the solar system, veggies to represent animal cell, or cream biscuits to represent lunar phases.
Read more at Buzzle: http://www.buzzle.com/articles/presentation-ideas-for-school-projects.html