science experiment with magnets: put iron-fortified cereal (like Total) in a bag with water. let it sit for 20 min, then rub a strong magnet all around. pull it up to the top and you'll see you've collected the actual iron from your cereal!
Great pictures of observable human traits, from the Genetic Science Learning Center
Erosion and Landforms Science Activity - With A Freebie!
Reflect or Refract? Light reflection and refraction experiments for Science: The Science Penquin
Free electromagnetic spectrum worksheets available at NewSullivanPrep.com in the physics section under science.
Weathering, Erosion and Deposition Flip Book - a fun and interactive way to learn and review the concepts of weathering and erosion. ($)
WEATHERING AND EROSION GRAPHIC ORGANIZER - TeachersPayTeachers.com