Curated OER
Respect the Beach
Students work together to compare and contrast sand particles. They identify what sand grains are composed of as well. They complete writing activities to complete the lesson.
CK-12 Foundation
Ck 12: Colloids and Suspensions
[Free Registration/Login may be required to access all resource tools.] In this lesson, students expand their study of mixtures to show that solids and gases can also act as solvents. Additionally, they take a look at situations in which...