Classroom Activity

21st Century Explorer
Audience: Educators & Students
Grades: 3-5


NASA's 21st Century Explorer activities are standards-based lessons designed for students in grades 3-5. The series uses the Internet, animation and video to introduce science, technology, engineering, mathematics, and space exploration concepts.

The following topics and activities are components of the 21st Century Explorer series. Each exploration topic contains a 30-second newsbreak video clip, an online Web explanation (background information), a hands-on activity guide based on national education standards, an online glossary and a quiz.

Modules are also available in Spanish.

All components are available on the 21st Century Explorer Web site  →.

Individual activities and lesson plans:
Those Who Have Come Before Me Activity
Food For Spaceflight Activity
Get a Leg Up Activity
Speed It Up Activity
Designing a Crew Exploration Vehicle Activity
Moon Mining Activity
Let's Investigate Mars Activity
Cleaning Water Activity
Making Regolith Activity
Ray Shielding Activity
Cool Suits Activity
What's Hidden Inside Activity