Across
- 3. Make smaller or less
- 5. Study in detail
- 8. An increase in population over a period of time
- 10. Prepare and use (land) for crops or gardening
- 15. waste Pollution from mines and factories
- 16. Protect from harm
- 17. A process of putting water into soil
- 18. Land consisting of marshes or swamps
- 19. A cleaner that makes the soil softer
- 20. Put seeds into soil
- 22. A short period of rain
- 23. Make bigger or more
- 24. Where an organism lives
- 27. Something that we use to make the soil better
- 29. Break so that it doesn't work anymore
- 30. Atoms and molecules
- 32. Plant life
- 33. Harmful substances in the air, water, or soil
Down
- 1. Collect crops
- 2. Learn new information
- 4. Write down
- 6. A flow
- 7. Energy from the sun
- 9. The variety of life in the world or in a particular habitat or ecosystem
- 11. rain Rain that can be dangerous for your skin and health
- 12. Make someone sick because you're sick
- 13. Make dirty
- 14. The rise and fall of the level of water in the ocean
- 21. A system of canals underground
- 25. Harmful things that we put on fruit/veggies to kill insects
- 26. To eat or drink
- 28. Examine something to learn the truth
- 29. A structure built across a river to control the river's flow
- 31. Plants grown for food
- 34. Earth for farming