Go to extremes to illustrate boiling point! Junior chemists explore the effects of heating and cooling on polar and non-polar substances. The interactive allows users to raise and lower the temperature, set specific temperatures, and...

While scientists have identified seven states of matter, these puzzles cover the most common three. Scholars match the properties, particle motion, and particle picture to each type of matter. Three Sudoku-style puzzles review the data...

A website all about planetary mysteries—it's a one-stop-shop for all things, stars, planets, and space travel. Scholars read an astronomy overview to discover the page's big ideas, then choose from the plethora of resources, including...

In this Newton's challenge worksheet, students demonstrate their understanding of Newton's laws by performing several mini labs. Students answer questions that ask to describe the movement of each demonstration using Newton's laws.

In this file sharing worksheet, students read the article, answer true and false questions, complete synonym matching, complete phrase matching, complete a gap fill, answer short answer questions, answer discussion questions, write, and...

In this online interactive history worksheet, students respond to 10 short answer and essay questions about the accomplishments of Thomas Edison. Students may check some of their answers on the interactive worksheet.

In this online interactive history worksheet, students respond to 10 short answer and essay questions about the achievements of Ronald Reagan. Students may check some of their answers on the interactive worksheet.

In this moon phase worksheet, students complete 2 prior knowledge questions, then use the "Phase of the Moon Gizmo" to complete several activities, answering short answer questions when finished.

This terrific interactive site from the National Park Service describes the different buildings on Thomas Edison's West Orange, New Jersey's laboratory facility. After exploring the buildings, follow Edison's invention and application of...

In this tutorial, you'll learn digital photography basics as well as some more advanced skills so you can take great pictures.