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Thursday, November 19, 2015

Algebra I: Patterns and Nonlinear Functions

Watch the video to learn about Patterns and Nonlinear Functions. The attached video follows your text.

video by Mrs. Allen Jordan

Wednesday, November 18, 2015

Algebra 4-2: Patterns and Linear Functions

Watch this video for additional information on working with patterns and linear functions. This video follows your book.

video by Mrs. Allen Jordan

Friday, November 6, 2015

Earth Science: Ch 4, Concoidal, Hackly, and Cleavage

Concoidal fracture is shell-like in appearance. Rocks, like obsidian, which fracture in this manner were highly desirable by our ancestors when making stone tools. If you look at projectile points, for example, you'll see lots of little concoidal fractures all over the surface.

Examples of concoidal fracture:
Obsidian: Concoidal Fracture

Chert Flake (debris from making a stone tool): Concoidal Fracture

Obsidian Projectile Point: Concoidal Fractures Used to Shape This Tool

Cleavage breaks on a flat plan. In other words, the mineral will peal like a sheet of paper or break off like a cube.
Cleavage

Hackly fractures have thin, jagged points.
Hackly Fracture



Monday, November 2, 2015

Identifying Minerals: Basic Tests

The following video provides a quick review of the basic tests used for mineral identification:


video by Robert DeMarco


video by Michael Sammartano

Working With Number Sets: Algebra

Click this link to Khan Academy to learn about working with number sets.

An introduction to working with sets (follows Section 3-5 in our textbook):



video from Mrs. Allen

Solving Inequalities

Follow this link and Khan Academy provides a list of videos to help you solve 2-step and multi-step inequalities (after clicking the link look to the left of the screen for more options).