Soda sink or float. Have kids predict whether sodas will sink or float. Most will assume they will all act the same but they won't! Diet pop floats and regular sinks. Nice way to touch on sugar content too :)
Science experiment: Watch as the blue and yellow water travel up the paper towel, making its way into the empty cup to make green water.
Creating your own rainstorm...All you need is a clear container, water, shaving cream, food coloring and droppers. Have kids make predictions by drawing what they see and think will happen.
Classroom Freebies: Scientific Method Cards
Oreo Cookies to Teach the Phases of the Moon
Free Science Printables for Grades 3 - 6 from Laura Candler's online file cabinet
borax, cornstarch and glue makes a bouncy ball, who knew!
Next winter, if your area is below 32°, go outside and blow "ice bubbles". Cool!!!
Use Elmer's glue to demonstrate exoskeleton and molting
"Observing Worms" Science Journal and other activities