7th Grade Science Vocabulary Crossword

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Across
  1. 2. – Mass per unit volume of a substance.
  2. 5. – Central part of a cell containing DNA.
  3. 9. – Trait that helps an organism survive in its environment.
  4. 10. – Proposed explanation made on the basis of limited evidence.
  5. 12. – Community of interacting organisms and their environment.
  6. 14. – Transfer of heat through direct contact.
Down
  1. 1. Reaction – Process that leads to the transformation of one set of substances to another.
  2. 3. – Material that does not easily conduct heat or electricity.
  3. 4. – Process by which plants use sunlight to make food.
  4. 6. Tectonics – Theory explaining the movement of Earth's plates.
  5. 7. – Force that attracts a body toward the center of the earth.
  6. 8. – Basic unit of a chemical element.
  7. 11. – Bending of light as it passes through different mediums.
  8. 12. – Process of turning from liquid into vapor.
  9. 13. – Type of cell division resulting in two identical daughter cells.