The astronauts, interns, engineers, and scientists at the NASA Johnson Space Center show us how their work and research sends astronauts to space through a music video.

The students and Ms. Frizzle travel to Mercury, the first planet in our solar system, and learn that they weigh less because there is less gravity on the planet. They enjoy bouncing around with less gravity, and a few students take part in a contest to see who can jump higher.

NASA Astronaut Randy Bresnik demonstrates Newton's Second Law from the International Space Station. He launches three objects of different weights to see what will happen.

Neil deGrasse Tyson talks about the scale of the universe and shows us how big the whole universe is. He describes it in such a way that we can see the true scale of the universe.

The video answers questions about what would happen to bodily functions and systems if the body was in space. Sahana discusses the differences in air pressure in space versus on earth. She uses a vacuum to show what would happen to our organs without the necessary gas, temperature, and molecules.