8th Grade Substitute Crossword - Lessons Include: Respiration, Photosynthesis, Classification of Matter, Objects in Space

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Across
  1. 1. Composed of billions of stars. Usually organized into clusters.
  2. 9. The organelle that contains chlorophyll and captures light energy from the sun.
  3. 10. The type of bond between elements in a compound.
  4. 12. Mixture that looks uniform throughout.
  5. 13. Light __________. The distance that light can travel on one _________.
  6. 15. Composed of a Nucleus, Ion Tail, and Gas Tail that is millions of km long.
  7. 16. Mixture that has visible layers or groups.
  8. 18. The process by which energy is released from sugar inside every cell.
Down
  1. 2. The magnitude or brightness of a star if it is measured from Earth.
  2. 3. The unit of distance that measures the distance between the Earth and the Sun.
  3. 4. The sugar molecule that results from photosynthesis and is used in respiration.
  4. 5. The organelle that is the powerhouse of the cell. It converts sugar into energy.
  5. 6. The process which takes carbon dioxide from the air and water from the ground and forms sugar.
  6. 7. A pure substance that is made of a single element that is found on the periodic table.
  7. 8. The color of the hottest stars.
  8. 11. Rocks in space that are orbiting the Sun in large groups.
  9. 14. Combination of elements and compounds.
  10. 17. The result of equal amounts of acid and base.