This slideshow lesson focuses on apostrophes and contractions; it defines contractions and shows how contractions are formed using apostrophes for the missing letters. It provides a contraction chart including the contraction, its...

This lesson focuses on apostrophes and contractions; it defines contractions and discusses how they are formed by using the apostrophe to replace the missing letters. It provides a list of common contractions and the words they stand...

This lesson explains the use of apostrophes to form contractions.

This slideshow lesson lists the uses of apostrophes: to show possession, create contractions, and identify missing letters. It explains the rules for each of these uses and provides examples.

This site from the Georgia State University provides an interesting chart form of the ideas of relativity. Column 1 - Idea, Column 2 - Experiment. Each item is linked to its own page of explanation, which is well done. A nice type of...

This animation will complement the diagrams of muscle function in advanced level texts. A good visualization of the process.

In this slideshow tutorial, the punctuation topic of "the apostrophe" is reviewed. Each slide provides a different purpose for using an apostrophe.

Poster illustrates how muscles turn energy into movement.

This lesson provides an overview that explains the muscular system in humans. It is 2 of 4 in the series titled "Animals: Human Muscular System."

This lesson provides an overview that explains the muscular system in humans. It is 1 of 4 in the series titled "Animals: Human Muscular System."

This lesson explores common errors made with apostrophes and how to correct them. It is 3 of 3 in the series titled "Common Issues with Apostrophes."

This lesson goes over ways in which the correct use of grammar may be perceived as formality. CCSS.ELA-Literacy.CCRA.L.1 and CCSS.ELA-Literacy.CCRA.SL.6, L.11-12.1a Gram/Usage changes