Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

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

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

Make sourdough bread...and learn some colonial history and modern science in the process!

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