Across
- 5. the process by which green plants and certain other organisms transform light energy into chemical energy
- 8. Electric potential difference or force that drives electric current.
- 10. a green pigment, present in all green plants and in cyanobacteria, which is responsible for the absorption of light to provide energy for photosynthesis
- 13. Any substance or mixture of substances intended for preventing, destroying, repelling, or mitigating any pest
- 14. a substance that is toxic to plants, used to destroy unwanted vegetation
- 16. the opposition to the flow of electric current in a conductor.
- 17. a non-metallic, inorganic material typically made from clay.
- 18. a large molecule made of repeating subunits
- 19. The central part of an atom containing protons and neutrons.
- 20. tiny openings or pores in plant tissue that allow for gas exchange
Down
- 1. Upward force exerted on an object immersed in a fluid.
- 2. used to measure electric current in amperes.
- 3. a type of plastid (a saclike organelle with a double membrane) that serves as the site of photosynthesis
- 4. A fertilized egg formed by the fusion of gametes.
- 6. a substance used for killing insects
- 7. Differences within a group or set.
- 9. To receive traits or characteristics from parents or ancestors.
- 11. the movement of molecules from an area of high concentration of the molecules to an area with a lower concentration
- 12. the characteristic of a material that is prone to breaking or shattering when subjected to stress or impact.
- 15. A subatomic particle with a negative charge orbiting the nucleus.