Water in space
Your mission: Frozen water on the moon
This resource was created by Space Expo in collaboration with NSO, The Netherlands 2026

In this lesson, we will search for water in the universe. Water is important because without it, life as we know it would not be possible. We have plenty of liquid water on Earth, but the question is whether this is also the case elsewhere in our solar system.
Observing, Predict, Logical Reasoning
Understand that water is necessary for life as we know it on Earth.
Find out where water is found in our solar system.
Understand that water is key in the search for extraterrestrial life.
- Two containers
- Ice cubes
- Bright, large lamp (role of the sun), for example a heat lamp
- Aluminum foil
- Possibly a liquid or cooking thermometer
This resource is only available in Dutch
Explore more Mission X activities!
Your Mission: Investigate the relationship between microorganisms and many every day products. Microbes live everywhere, including outer space! Scientists have …
Your Mission: Identify which plants are suitable for growing in space as a good source of nutrition for astronauts. Food …
Your Mission: Observe and compare bones, and design bone models to investigate ways to keep bones healthy. Explorers need strong …
Your mission: Learn the basics of martial arts (karate) to defend yourself against simple attacks and, in case of emergency, …
In microgravity, astronauts love to perform spectacular somersaults. Here on Earth it’s not so easy, but it certainly is fun! …
Your Mission: Perform an exercise with balls of different weights, as if you were in different gravitational conditions, to strengthen …
Your mission: Just like astronauts who sometimes have to avoid space debris, you will become aware of human-caused pollution in …
Your Mission: Measure different body parts and explore how these measurements might change in space. How tall are you? Are …
Your Mission: Perform throwing and catching techniques on one foot to improve balance and spatial awareness. On Earth, we use …
Your Mission: Perform a walk, progressing to 1600m to improve lung, heart, and other muscle endurance. When exploring space, astronauts …
