word to know

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Across
  1. 4. something that happens by accident
  2. 6. things we need to do a task
  3. 7. types of dogs
  4. 8. a type of disaster which causes the ground to move
  5. 9. working as a part of a team
  6. 11. people or animals who help others
  7. 12. the reason we have or use something
Down
  1. 1. can be dangerous to you
  2. 2. not being careful
  3. 3. helping to stop something from happening
  4. 5. examples include tornados and earthquakes
  5. 10. reacting quickly to a problem