science invention6 Fourth Grade Science Fair Projects

Fourth grade students are very energetic and their span of attention or concentration is very small. Above that, they want to observe, infer, predict and classify anything taught on science. Learning by doing is a good concept and it registers in their young minds and they can never go wrong in their examinations. For this, a lot of schools conduct fourth grade science fair. Here, all the fourth grade science fair projects will be displayed.The children explain their fourth grade science fair projects, while the others watch these projects and learn. Teaching them in a play way method is very effective. Here are few fourth grade science fair projects for this age group.Salt increases the density of water. Add four to five tablespoons of salt in a glass of water stir it nicely and float an egg. Also add little more luke-warm fresh water and check, the egg will float in-between the salt and the water. Try using sugar or flour in the water the egg will sink.Which water is good for plants can be made as a project by selecting a pot with some seeds; one pot… More >>