Across
- 1. When too many people live in one area.
- 4. Long-term shifts in global temperatures.
- 7. Collect someone or something.
- 9. Meet someone unexpectedly.
- 11. Harmful substances released into the environment.
- 13. Journeying beyond Earth into outer space.
- 14. Participate or join in with an activity.
- 15. A sudden increase in criminal activity.
- 16. A digital environment created by computers.
- 17. Machines that can perform tasks automatically.
- 19. Invite people to your home.
Down
- 2. A disease that spreads quickly among many people.
- 3. Armed conflict between nations or groups.
- 5. Technology that allows machines to think or learn.
- 6. A large structure where astronauts live in orbit.
- 8. Leave home to do something enjoyable.
- 10. Deliver something or someone to a location.
- 12. A sudden disaster causing great damage.
- 13. Remain at home instead of going out.
- 15. Visit someone briefly.
- 18. Arrange to see someone at an agreed place.