Students investigate the products of a combustion reaction. Students will learn tests to identify gases.

The Folger Shakespeare Library provides the full searchable text of "The Comedy of Errors" to read online or download as a PDF. All of the lines are numbered sequentially to make it easier and more convenient to find any line.

This inquiry kit features Library of Congress sources relating to the major political parties in colonial America.

Visualize how comets carrying chemicals necessary for life could have made their way to Earth billions of years ago in this video segment adapted from NOVA.

Amino acids, essential ingredients for life, may have been delivered to Earth by comets billions of years ago, as visualized in this video segment adapted from NOVA.

The Comic Creator invites students to compose their own comic strips for a variety of contexts (prewriting, pre- and postreading activities, response to literature, and so on).

Multidimensional, challenging, and popular with students, comics provide an excellent way to introduce the concept of genres.

This lesson uses comic strip frames to define plot and reinforce the structure that underlies a narrative. Students finish by writing their own original narratives.

The Apollo 11 Command Module, "Columbia," was the living quarters for the three-person crew during most of the first manned lunar landing mission in July 1969. This 3D image from Google Arts & Culture site allows students to view the Apollo 11 Command Module in augmented reality. Augmented Reality allows you to project 3D models into the real world through the camera on your mobile device. This image is best viewed in the Google Arts & Culture mobile app.

In this keyboarding lesson, students practice typing commas, periods, and capitals using Typesy. At the start of each lesson, students set a goal and consider the importance of keyboarding. At the end of the lesson, students record their WPM.

September 17th is Constitution Day, commemorating the day in 1787 when, at the end of a long hot summer of discussion, debate and deliberation, the delegates to the Constitutional Convention signed America's most important document.

Committees improve the organization of the Senate and House of Representatives. Members of Congress cannot be experts on all issues. For this reason, the Senate and House of Representatives developed committees that focus on particular subjects.

Julie Motta walks through a read-aloud activity for first grade and highlights how she engaged the students with the story, brought in content-area connections, and included informal assessment to check comprehension.

This article describes common misconceptions held by elementary students about the history of the polar regions, fossils, and geologic time. The article provides ideas for formative assessment, teaching strategies, and the National Science Education Standards.

This article describes some common misconceptions that elementary students may have about oceans. It also includes suggestions for formative assessment and teaching for conceptual change.

This article describes some common misconceptions that elementary students may have about plants. It also includes suggestions for formative assessment and teaching for conceptual change.

This article discusses geologic misconceptions held by teachers and students and provides resources for formative assessment and teaching correct concepts.

This article lists common misconceptions about states and changes of matter and the water cycle. It provides formative assessment probes and information about teaching for conceptual change.

This article describes common misconceptions about the Arctic and Antarctica and how to test and teach for student understanding.

This article describes some common misconceptions that elementary students may have about biomes and ecosystems. It also includes suggestions for formative assessment and teaching for conceptual change.