Here we look at arithmetic sequences and relate them to recursive and explicit formulas. Students watch a video tutorial. [8:48]

This video lesson demonstrates how to turn an arithmetic sequence into a function. Students can check their understanding with an assessment. [8:56]

At the end of this tutorial, the learner will be able to ask appropriate and effective questions to better understand a communication or situation. It is 1 of 3 in the series titled "Asking Clarifying Questions." [7:03] SL.9-10.1c Active Partic, SL.11-12.1c Questions/Part

This screencast focuses on using post-reading questions to evaluate and improve understanding of a text. It offers general question ideas and a specific example of questions for "To Kill a Mockingbird" by Harper Lee. [3:37]

This screencast focuses on asking questions as you read, including: the purpose; types of questions; examples of questions for character, setting, and events; and a literary example. [2:44]

Watch this video lesson introducing the atom, and learn about its unique structure. [3:58]

A screencast lesson defining different types of audience, discussing the importance of determining an audience, and explaining how a writing style should be chosen based on the needs and expectations of the intended audience.[5:18] CCSS.ELA-Literacy.WHST.6-8.5 Develop and strengthen writing

A video tutorial which demonstrates how average velocity can be shown using a positive or negative sign. [4:17]

This lesson explains how average velocity can be represented by a positive or negative sign. It is 1 of 2 in the series titled "Average Velocity & Sign Notation." [6:44]

This video lesson introduces and defines bar graphs, discussing their uses and construction. Includes several multiple-choice questions to check your understanding. [3:13]

An introductory lesson on the basics of heredity, and the inheritance of genetic traits. [7:57]

Learn about Newton's Pendulum will Bill Nye as you watch this demonstration of some of the most fundamental laws of physics and mechanics. [0:52]

Watch and learn as Bill Nye the Science Guy discusses the stars and planets he looks at with his telescope. [:40]

This lesson will identify the cause and effects of various blood disorders. [5:21]

A video lecture which explains the Bohr model of an atom, and explains how to create and use Bohr model diagrams to solve some practice problems. [11:51]

A two-part tutorial illustrating the structure and growth of bones, followed by a description of the cartilage model. [8:27]

Use the principles of physics to understand the force of a bouncing object. [6:49]

A narrated screencast demonstrates the relationship between pressure and volume of a gas at constant temperature. [7:08]

Lesson on crafting and revising lines of poetry. Lineation and enjambment are defined and explored. A Robert Creeley poem is analyzed, and a video of his poem is presented. [1:31]