Volcano experiment, The gravity experiment with bouncing magnetic rings, The tagged money experiment, which shows how money travels in an group of people
High carb vs. high protein diet in mice.
How much CO2 your house releases then trying to reduce it.
How much CO2 is released when driven to school vs. biking.
Do plants grow better inside than outside? Watch a potted plant indoor & one outdoor. Outside plant has greener leaves and strong stem. The one indoors will have wilted leaves.
