Curated OER
The Three States of Matter
Third graders identify properties of solids, liquids, and gasses. In this states of matter lesson plan, the teacher demonstrates the properties of each state of matter, then students go on a scavenger hunt for items to represent each...
Curated OER
Chapter 16 Review- General Science
In this review of general science worksheet, students classify examples of matter as mixtures or substances, homogeneous or heterogeneous mixtures, or elements or compounds. Students also convert several examples using the standard...
Cornell University
Shedding a "Little" Light on Cancer Surgery
Many types of cancer treatments now depend on nanotechnology—a big "little" discovery. Scholars begin by removing "malignant" tissue from simulated brains, one using fluorescent markers thanks to nanotechnology and one without. This...