Match the words from the box with the definitions. Then press "Check" to mark your answers.
hypothesis economist motivate inhabitant challenge perceive clip info teen federal
  1. [adjective] of or relating to a system of government in which a number of states are united under and recognize the authority of a central government, yet have their own governments as well.
  2. [noun] a proposed explanation that accounts for observed phenomena or known facts and that can be used to guide further investigation.
  3. [transitive verb] to cut off, cut out, or trim, as by scissors or trimmers.
  4. [noun] one that permanently lives in a place; resident.
  5. [noun] a person who has expertise in the study of economics.
  6. [noun] shortened form of information.
  7. [transitive verb] to invite, especially in a provocative manner, to enter into a battle or other contest of skill.
  8. [transitive verb] to become aware of by means of the senses.
  9. [adjective] teen-age.
  10. [transitive verb] to cause to move or act by giving incentive or inspiration.