Learn space with Astraviator
Short, clear lessons about space for curious kids (about ages 7 to 12) and the adults helping them. Every lesson has an activity you can do at home and a free printable worksheet with an answer key.
Topics

Planets and the Sun
Sizes, distances and gravity of the eight planets, explained with simple numbers and hands-on activities.

Rockets and astronauts
What makes a rocket fly, and what is it like to eat, sleep and work in space?

Earth, Moon and sky
Start with the closest things in space: our Earth and our Moon.

Stars and galaxies
Zoom out from our solar system to the Milky Way and beyond.
All lessons
- Moon phases for kids: why does the Moon change shape?
- How much would you weigh on other planets?
- How long does sunlight take to reach the planets?
- How does a rocket work?
- How big are the planets? Planet sizes for kids
- What do astronauts eat in space?
- The solar system for kids
- The planets in order from the Sun, with facts for each
- Why do we have day and night, and the seasons?
- What is an eclipse? Solar and lunar eclipses for kids
- Apollo 11 for kids: the first people on the Moon
- What is a galaxy? The Milky Way for kids
More lessons coming soon.
Take the next step
Fly to the Moon (free)
The free 3D simulator lets kids build a real Moon rocket, launch it and land on the Moon, in any browser.
Play the free demoSpace Workbook for kids
Printable fact sheets, quizzes with answers, a space passport and activities for 29 destinations, with the full simulator included.
See the Space WorkbookFacts: NASA and other space agencies, rounded for readability. Images: Astraviator simulator renders. Astraviator is not affiliated with or endorsed by NASA.