Explore NOVA Online's interactive steam engine and discover how this machine can convert heat to mechanical energy.

This interactive activity adapted from NASA features world maps that identify different sections of the Earth's crust called tectonic plates. The locations of different types of plate boundaries are also identified, including convergent, divergent, and transform boundaries.

Self-scoring interactive lesson for improving skills in scanning informational texts and charts for keywords and specific details.

This interactive activity from ZOOM offers a chance to experiment with a virtual pendulum and to see how it can be influenced by a variety of factors.

Explore the topography of a hill, a valley, and a cliff in this interactive activity featuring visualizations of three-dimensional topography in two dimensions. Adapted from Stephen Reynolds' "Visualizing Topography."

In this interactive activity adapted from the University of Utah's ASPIRE Lab, students will learn how to measure wavelengths and see how wavelength affects the color of the light that we see.

Most early elementary students are brand new to using the internet to onduct research. This is a concrete, gross-motor activity to explore how internet search engines work. Students will practice using different keywords to search for images relating to the life cycle of a flower. Students should have prior knowledge of the plant life cycle, as well as the life cycles of butterflies and frogs before beginning the lesson. This is an introductory lesson on internet research and should take place at the beginning of the unit. This is a one sesion activity.

In these two audio interviews from NOVA Online, students will learn about the difference between the common understanding of the word "theory" and how science uses the term.

This interactive activity adapted from the University of Utah's ASPIRE Lab provides an overview of the characteristics and properties of various types of waves, including light waves, sound waves, and water waves.

In this interactive activity adapted from the Exploratorium, students will explore how our cells harvest energy from food.

The characteristics of wind power as a source of clean energy are described in this animated movie.