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