Curated OER
Ink
Here is an interesting instructional activity that has learners make ink from two common food items. First, they make ink from beets, then they make ink from onions. The recipes necessary for each are present in the plan. The special...
Science Buddies
Science Buddies: Paper Chromatography: Advanced Version 1
This project will teach you the basics of analytical chemistry, which is a must for students who want to go into chemistry or materials science. The molecules in objects we see all around us are constantly attracting each other....
Science Buddies
Science Buddies: Paper Chromatography: Advanced Version 2
Chromatography is a method used to separate mixtures of compounds and to identify each compound in the mixture. You may have separated the different inks in a black marker by using a strip of paper and water. There are many different...
Enchanted Learning
Enchanted Learning: Cephalopods
This site provides links to elementary information about cephalopods. Students and teachers will find links to the blue ring octopus, the giant squid, the cuttlefish, octopus and more.