7th Grade Science

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Across
  1. 3. State of matter in which the volume and shape cannot be changed
  2. 5. the quick change of a liquid to a gas
  3. 7. This kind of person defines problems
  4. 8. The act of giving up one design feature in order to keep another, more desirable one
  5. 11. the change of a gas to a liquid
  6. 15. The features or qualities an engineering solution should have
  7. 16. Any natural material or energy source that humans use
  8. 19. the change of a solid to a liquid
  9. 22. Stage of a natural resource's life cycle in which that materials are collected
  10. 23. Engineering thinking is displayed as this
Down
  1. 1. the change of a liquid to a gas
  2. 2. Limitations that engineers face during the design process
  3. 3. This kind of person asks questions
  4. 4. Stage of a natural resource's life cycle in which the product is transported
  5. 6. Design testing that is repeated many times (ex. spork)
  6. 9. the change of a liquid to a solid
  7. 10. Anything that has mass or volume
  8. 12. Stage of a natural resource's life cycle in which the product is created
  9. 13. State of matter in which the volume and shape can change
  10. 14. The amount of space an object takes up
  11. 17. Stage of a natural resource's life cycle in which a product is put into action
  12. 18. The amount of particles that an object is made of
  13. 20. Stage of a natural resource's life cycle in which a product is thrown away
  14. 21. State of matter in which the volume cannot change, but the shape can