Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Check out this cool middle school science fair project idea to find the difference between organically grown and commercial brands of foods.