CK-12 Foundation
Ck 12: Physical Science: Lever
[Free Registration/Login may be required to access all resource tools.] Definition of a lever and the three different classes, and how each one changes force.
CK-12 Foundation
Ck 12: Physical Science: Biochemical Compound Classification
[Free Registration/Login may be required to access all resource tools.] Biochemical compounds: their general structure and different classes.
CK-12 Foundation
Ck 12: Physical Science: Modern Periodic Table
[Free Registration/Login may be required to access all resource tools.] Periods, groups and the classes of elements in the modern periodic table.
CK-12 Foundation
Ck 12: Physical Science: Modern Periodic Table
[Free Registration/Login may be required to access all resource tools.] Periods, groups and the classes of elements in the modern periodic table.
CK-12 Foundation
Ck 12: Physical Science: Hydrocarbons
[Free Registration/Login may be required to access all resource tools.] Discusses the two different classes of hydrocarbons and their properties, uses and sources.
Science Education Resource Center at Carleton College
Serc: A River Runs Through It
This two-month project requires a nearby stream or river to use for testing. Young scholars use river monitoring equipment to conduct water tests, fish observation, insect identification and to collect data related to physical properties...