Matter and Energy Crossword

Edit Answers
123456789101112131415161718192021222324
Across
  1. 2. The process in which nitrogen circulates among the air, soul, water, plants, and animals in an ecosystem.
  2. 6. A group of atoms that are held together by chemical forces: the smallest unit of matter that can exist by itself and retain all of a substance’s chemical property.
  3. 7. One of the steps in a food chain or food pyramid.
  4. 8. A diagram that shows the feeding relationships between organisms in an ecosystem.
  5. 11. The pathway of energy transfer through various stages as a result of feeding patterns of a series of organisms.
  6. 13. An organism that can make organic molecules from inorganic molecules.
  7. 15. Anything that has mass and takes up space.
  8. 17. The process by which cells produce energy from carbohydrates.
  9. 18. A substance that cannot be separated or broken down into simpler substances by chemical means.
  10. 20. The process by which plants, algae, and some bacteria use sunlight, carbon dioxide, and water to produce carbohydrates and oxygen.
  11. 21. The continuous movement of water between the atmosphere, the land, and the oceans.
  12. 22. Laws that represent how energy and temperature behave under various circumstances
  13. 23. An organism that eats other organisms or organic matter, instead of producing its own nutrients or obtaining nutrients from inorganic sources.
  14. 24. The capacity to do work.
Down
  1. 1. Subatomic particle that has a positive charge, and that is located in the nucleus of an atom.
  2. 3. The movement of carbon from the nonliving environment into living things and back.
  3. 4. States that at each trophic level, about 10% of the energy is transferred to the next trophic level, whereas the rest is utilized for metabolic activities and lost as heat in the environment.
  4. 5. The cycle movement of phosphorus in different chemical forms from the environment to organisms, and then back to the environment.
  5. 9. An organism that feeds by breaking down organic matter from dead organisms.
  6. 10. The energy that an object has because of the position, shape, or condition of the object.
  7. 12. Subatomic particle that has no charge and is located in the nucleus of an atom.
  8. 14. A subatomic particle that has a negative charge.
  9. 16. The smallest unit of an element that maintains the chemical properties of that element.
  10. 19. The energy of an object that is due to the object’s motion.