Chymist
Testing the Waters
Should you trust the water you drink every day? The hands-on activity has scholars test water from different sources for contaminants. Pupils perform chemical testing and make conclusions about pH, hardness, iron, chlorine, lead,...
National Constitution Center
Fourth of July (Grades 3-5)
Bring history to life for your young scholars with a Fourth of July lesson series. After a class reading of the Declaration of Independence, students translate this pivotal document into layman's terms before working in small...
CK-12 Foundation
Ck 12: Dna Structure and Replication
[Free Registration/Login may be required to access all resource tools.] Module describes how DNA's structure and function was discovered while summarizing the process of DNA replication. This activity also explains Chargaff's rules and...