Work in pairs. Tick (v) the boxes to show what conditions a planet needs to support human life.
1. There must be enough liquid water on the planet.
2. The planet must have craters on its surface.
3. The planet must hold an atmosphere.
4. The planet must have at least two moons.
5. The planet must have enough oxygen in the air.
Can you add other conditions for a habitable planet?
1. There must be enough liquid water on the planet. 🗹
2. The planet must have craters on its surface. ◻
3. The planet must hold an atmosphere. 🗹
4. The planet must have at least two moons. ◻
5. The planet must have enough oxygen in the air. 🗹