Understanding hydroponics

2. An index of the acidity or alkalinity of a substance
5. Growing plants without soil
8. A mixture of water and nutrients used in hydroponics
10. Matter Solid components of soils resulting from the partial decomposition of dead plant and animal remains
11. A portable platform
13. The simple sugars that result from photosynthesis
14. medium The "soil" used to grow the plant with may or may not contain actual soil. Usually Composed of a mixture of peat moss, perlite, and, or other materials to provide support and moisture retention
16. A floating,Mexican raft used for
17. A fundamental substance that comprises matter
22. The green pigment found in plants leaves and stems
23. Elements Nutrients that plants require in large amounts
26. The series of processes a plant goes through to convert food into energy
28. Reservoir A container that holds the nutrient solution in a hydroponic system

1. Having a pH of less than 4.0
3. The Greek word for water
4. The movement of water from the plant roots out through the leaves
6. Expose the plant roots to the circulation of air
7. The brightness of a light source
9. The process by which chlorophyll in plant leaves converts sun and nutrients into photosynthesis
12. The amount of water vapor present in the atmosphere
15. A material added to soil to increase it's fertility
18. The amount of light falling on a surface one foot away from a candle
19. Irrigation Point specific irrigation accomplished through the use of piping and tubing with emitters located at strategic watering points
20. Having a pH of more than 7.0
21. Light A special fluorescent light that provides plants with the proper type and amount of light for growth
24. Spectrum The colors within a light source
25. The Greek word for work
27. Elements Nutrients that plants require in only trace or small amounts