Across
- 3. A collection of information stored in a computer
- 6. A set of connected parts that work together
- 7. To keep someone or something safe from harm or damage
- 9. To give something to someone that they need or want
- 11. Having a large distance from one side to the other
- 12. Extremely cold
- 14. A substance like air that is not solid or liquid
- 18. To move air or be moved by air
- 20. A light, strong material made from chemicals, used to make many things
- 21. To be able to get to a place or touch something
- 23. A small hard seed of food plants like wheat or rice
- 25. Belonging to or done by a particular person or thing
- 26. A strong wind that carries a lot of sand through the air
- 29. To travel to or through a place to learn about it
- 30. The direction where the North Pole is located
- 32. A state of fighting between countries or groups
- 35. A way of solving a problem or dealing with a difficult situation
- 36. Either of the two ends of a planet (like the Earth)
- 37. A set of pages of information on the Internet about a particular subject
Down
- 1. All the people born and living at about the same time
- 2. The male ruler of an empire
- 4. A substance made by or used in a chemical process
- 5. A small insect with colorful wings that flies during the day
- 8. A very large sea animal that breathes air through a hole on top of its head
- 9. Harmful substances that make air, water, or land dirty
- 10. A thick liquid that comes from under the ground and is used as fuel
- 13. Water that is under the surface of the ground
- 15. A particular part of a place, country, etc.
- 16. The number 1,000,000,000
- 17. To be on fire or to make something on fire
- 19. To put something over or on top of something else
- 22. To chase and kill animals for food or sport
- 24. Causing great surprise or wonder
- 27. A large area of land with little or no rain, plants, or people
- 28. A unit of length equal to 100 centimetres
- 31. Causing damage or injury to someone or something
- 33. A large round object that moves around a star (like the Sun)
- 34. To stop being visible or present