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8th grade science fair project ideas

1. Plant the marigold seed in three different pots and watered one with flavored water, one with salt water and one with regular tap water.

2.Solar cooker

3.Model of the respiratory system

4.Improvised water purifier

5.Hovercraft Project

6. Take some table sugar (sucrose) and mix it in with water. Do the same thing with salt (NaCl) and compare both mixtures.