Across
- 2. Energy transmitted in waves or particles.
- 6. A journey for exploration or research.
- 7. The region of space protected by Earth's magnetic field.
- 9. To break or burst suddenly.
- 12. Related to the universe and space.
- 15. A condition of very weak gravity.
- 17. To grow or increase in size.
- 19. An organ that filters blood in the body.
- 20. Related to the ability to stretch.
Down
- 1. A failure in a system or machine.
- 3. Related to the eyes or vision.
- 4. Emitting energy in the form of waves.
- 5. Instant travel from one place to another.
- 8. The process of bodily fluids boiling in low pressure.
- 10. To heat a liquid until it changes to gas.
- 11. A space with no air or matter.
- 13. A gas essential for breathing.
- 14. To turn into gas or steam.
- 16. A material that prevents heat loss.
- 18. To grow larger due to pressure or fluid.