This tornado in a jar would be a great visual for a science lesson. It is easy to make and interactive. The students can shake the jar in a circle to get the tornado formation and see its shape and how it moves. Adding "Elijah" to the jar?
FUN SCIENCE: Make a snow storm in a jar. How cool! (Winter science for kids) #winter #scienceforkids #kidexperiment
A homemade Lava Lamp? I'm not sure it could get much better. A little bit craft, a little bit cooking, a little bit science and a whole lot of fun! Come Together Kids: 10 Crafts and Activities for Boys
Love kitchen science experiments with materials you already have in the pantry. These simple science activities all use salt plus one or two other ingredients. Kids not only learn salt attributes, but also scientific thinking, process, and methodology.