Across
- 4. – All the features of a piece of land, like mountains and hills.
- 5. – An improvement that makes something better.
- 6. – To provide someone or something with necessary tools.
- 10. – When one thing causes another thing to happen.
- 12. – A part or quality of something you can notice.
- 14. – The low space between two mountains, often with a river.
- 15. – Tiny particles of soil and other things that fill the air.
- 17. – The most important part of something.
- 18. – The mixture of gases that surround a planet.
Down
- 1. – To be curious and want to know more about something.
- 2. – A machine sent into space to move around a planet or moon to get information.
- 3. – Very large or huge.
- 7. – Evidence that shows something is true or exists.
- 8. – A tool used for measuring, detecting, or recording.
- 9. – Something that must be had or done.
- 11. – To notice or find something.
- 13. – A person who studies stars and space.
- 16. – A unit used to measure angles or temperatures.
- 19. – A large, flat area of land.