CK-12 Foundation
Ck 12: Plix Series: Resonance: Metallic Bonding
[Free Registration/Login Required] Manipulate the electrons and protons to explore metallic bonding. Then answer a self-correcting concept question.
CK-12 Foundation
Ck 12: Plix Series: How Hot Is Boiling Water on Mt. Everest?
[Free Registration/Login Required] In this activity, observe the relationship between elevation, boiling point, and atmospheric pressure. Then answer a self-correcting challenge question.
CK-12 Foundation
Ck 12: Plix Series: Potential Energy Diagrams
[Free Registration/Login Required] Observe what happens in the change in the type of energy during a reaction in this simulation. After the activity, answer a self-correcting challenge question.
ReadWriteThink
Read Write Think: Persuasive Essay: Environmental Issues
Contains plans for three lessons that teach students how to write persuasive essays about self-selected environmental issues. In addition to objectives and standards, this instructional plan contains links to sites used in the lessons as...
CommonLit
Common Lit: Alter Egos
Can a person have two selves? Beyonce is also known as Sasha Fierce; Clark Kent, the newspaper reporter, transforms into Superman. The idea that a person can have "another self" is a relatively new concept. As you read about the concept...
abcteach
Abcteach: Goals/evaluation Forms for Portfolios
[Free Registration/Login Required] Portfolio evaluation sheets for students to fill out are offered in printable form from this site.