CK-12 Foundation
Ck 12: History of the Periodic Table
[Free Registration/Login may be required to access all resource tools.] Students explore the history of the periodic table, and explain how the periodic table was originally organized, compared to the arrangement of the modern periodic...
CK-12 Foundation
Ck 12: Trends in the Periodic Table
[Free Registration/Login may be required to access all resource tools.] Students investigate specific properties that can be predicted by an element's position on the periodic table. Additionally, they will look at the formation of ions,...
CK-12 Foundation
Ck 12: Electron Configuration and the Periodic Table
[Free Registration/Login may be required to access all resource tools.] In this learning module, students will explore how the form of the periodic table is related to electron configurations, which in turn influences chemical reactivity.
Blackdog Media
Classic Reader: "Three at Table" by W. W. Jacobs
The full text of the short story "Three at Table" by W. W. Jacobs. Register for a free account to unlock annotation tools, printing, and more.
Math Drills
Math Drills: Multiplication Facts Worksheets
Download these free worksheets to sharpen your multiplication skills in a variety of formats.
CK-12 Foundation
Ck 12: Geometry: Conditional Statements Study Guide
This study guide on conditional statements covers key terminology, what they are, related conditionals, and truth tables. It is available for download with free registration.
Read Works
Read Works: Genre Studies: Informational Text Kindergarten Unit: Labeled Diagrams
[Free Registration/Login Required] Lesson uses Bats by Gail Gibbons to teach students how to identify facts learned from labeled diagrams within an informational text. Ideas for direct teaching, guided practice, and independent practice...
CK-12 Foundation
Ck 12: Algebra: Using Functions to Describe a Situation
[Free Registration/Login may be required to access all resource tools.] Students learn to write a function rule from a table of values and represent real-world situations with a function. Students examine guided notes, review guided...
Cosmo Learning
Cosmo Learning: Chemistry 1 A: General Chemistry
A collection of video lectures from a general chemistry course taught at the University of California, Berkeley. The course covers topics like stoichiometry, acid-base and solubility equilibrium, oxidation-reduction reactions, chemical...
Other
The Journal of Urology
The Journal of Urology web site provides free access to tables of contents and abstracts. A free sample of the journal can be viewed online.