The digestive system is a group of organs (from the mouth to the rectum) that processes food so the body can use it. The following sites explain the process with illustrations and animations for all age groups.
Human anatomy is the study of the human body. The word "anatomy" derives from Greek words meaning "to cut up" because early scientists studied anatomy through dissections.
Ever wonder why the northern and summer hemispheres have opposite seasons? Or why the longest day of the year is considered the start of summer?
Optics, the science of light, is studied by both scientists and engineers. It includes defining light, learning how it is produced, how it travels, and how it is measured. Today's picks run the gamut from simple science for K-3 students, to sites appropri
Bad science (also known as junk science, science myths or science misconceptions) consists of common misconceptions passed on from parents, teachers and inaccurate text books. As American scientist Stephen Jay Gould said, "The most erroneous stories are t
Phil Plait is an astronomer who loves wagging his virtual finger at inaccurate astronomy wherever he finds it.
Think you know movie ratings? Visit Stupid Movie Physics to learn about GP (good physics), PGP (pretty good physics) and PGP-13 (" Children under 13 might be tricked into thinking the physics were pretty good; parental guidance is suggested!") This fun si
A common theme running through this week's batch of sites is how difficult it is to replace a falsehood that was learned and reinforced early.
Science Myths is another site dedicated to grade-school science misconceptions, with a focus on physics and electricity.
Hands-on science experiments at home or in the classroom are a fun way to engage kids and get them excited about science. Today's sites house hundreds of easy experiments that can be done with supplies that you probably have around the house, or can get a
The science of sound can be explored at many different levels, from grade school to college physics. Whether your interest is in making drums with first graders, or doing research for a physics project, this week's site selections will deliver with anima
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