Science Education Resource Center at Carleton College
Serc: Indicator Indi Gator
In this activity the students use critical thinking skills to see how liquids will change the color of an indicator.
Enchanted Learning
Enchanted Learning: Cuttlefish
Explore the world of the cuttlefish, a unique cephalopod. Students will gain a greater understanding of this mollusk through fun facts, information on the anatomy, diet, predators and more at this site.