Environmental chemistry
Across
- 5. Type of toxicity when a chemical causes serious symptoms after one exposure
- 6. Element in fertilizer that promotes the growth of fruit and flowers
- 7. Substance that can capture oxides
- 8. Pesticide used to control weeds
- 9. Device that uses a sorbent to reduce oxide emissions
- 13. High concentration of chemicals reach organisms high in the food chain (mercury in fish)
- 16. Type of organic nutrient such as saturated fats, milk and cheese
- 17. Pesticide used to control fungus (paint additive)
- 21. Pesticide used in WWII to control insects affects seabirds by thinning their eggshells
- 22. Type of organic nutrient such as cellulose, rice, grains, potatoes (starchy foods)
- 26. Nutrients that do not contain carbon
- 27. Process when a material combines with oxygen (corrosion, combustion)
- 29. Mineral that the body requires in the amount of 100mg/day or less to stay healthy
- 31. Pollutant that enters the environment from a specific location
- 32. Waste product that can be broken down by nature (fertilizer)
Down
- 1. Acid + base = ________ + water
- 2. Element in fertilizer that promotes the growth of green in plants
- 3. Type of toxicity when a chemical causses symptoms after many exposures
- 4. pH<5.6; Rain/snow that is acidic caused by atmospheric pollution
- 6. Element in fertilizer that promotes the growth of healthy roots
- 10. Blue litmus paper turns this colour in an acide
- 11. Red litmus paper turns this colour in a base
- 12. Mineral that the body requires in the amount of 100mg/day or more to stay healthy
- 14. Process of adding calcium carbonate to the environment
- 15. pH<7; includes tart/sour tasting foods
- 18. Substance that changes colour to indicate the presence of an acid or base
- 19. Waste product that do not break down (pesticides)
- 20. pH>7; includes bitter tasting foods
- 23. Type of organic nutrient such as insulin, fish, eggs, meat and dairy
- 24. Chemical sprayed on crops to control pests
- 25. Nutrients that contain carbon; formed only by plants
- 28. Pesticide used to control insects (bug spray)
- 30. The dose of a chemical that will kill 50% of the population