Gravity Launch is an app where you try to get a rocket to its destination to learn about gravity.
Edheads is an interactive site about simple and compound machines. Edheads provides a glossary of simple machines and then challenges you to identify simple machines in everyday objects.
Students can review the simple machines glossary to learn how to identify simple machines and discern the difference between a simple and compound machine. This site presents information with bright colors and animation that makes it attractive for curious young learners. It features printable student hand outs and teacher guidelines for using this resource. Students can try to find these types of machines in the House and Tool Shed activities. Use the teacher guideline resource to help you organize and present this topic with students.
Tools by Science NetLinks
This interactive shows how computer models can be used to help make decisions. Students predict and test how to satisfy their thirsty customers.
This page from Science NetLinks contains a guide to resources for information about historical and current spaceflight.