Planning a unit on simple machines? Save some time and energy with this collection of lessons and activities that explores how these devices are used in the real world to make life a little easier. 

Science can be quite tasty. A delectable unit from NASA shows learners why it's important to consider food, nutrition, and health in space. Four lessons explore the idea in great depth, including testing cookie recipes. Along the way,...

This WebQuest lets you explore Mars through the missions sent there over the years. You can evaluate what you think about the benefits of space exploration.

This article answers some of the most common questions about Mars: Why is it red? Is there water on Mars? What else have scientists discovered from spacecraft that have landed there? Also, visitors can follow links to learn more about...

Collect facts, engage in simulations, and explore Mars with the tools provided.

This short article elaborates on why it's important to have more space missions to the moon before sending a manned space mission to Mars. Follow links to learn more about NASA's other space missions.