Crossword

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Across
  1. 2. - This force pulls objects toward the Earth
  2. 3. - Force requiring physical touch
  3. 5. - Study of matter, energy, and forces
  4. 9. - Energy transfer in electromagnetic waves
Down
  1. 1. - A contact force that resists motion between surfaces
  2. 4. - Force without contact, like gravity
  3. 6. - Type of electricity that builds up on surfaces without flowing
  4. 7. - Force between charged particles
  5. 8. - Unit of capacitance in an electrical circuit