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

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