STEM Unit 1: What is electricity?

1234567891011121314151617181920212223242526
Across
  1. 4. What two opposite electric charges do to each other
  2. 6. Substance classification on the periodic table that typically conducts heat and electricity
  3. 7. The periodic table can be divided into three groups: Metals, Metalloids, and ____.
  4. 9. Property that opposes current flow
  5. 12. A common magnetic material, iron mixed with carbon — also used to make electromagnets stronger
  6. 14. Property that indicates how many protons an element has; used to identify elements
  7. 18. The center of an atom
  8. 20. Material that allows electrons to move freely; commonly metals
  9. 23. Prefix meaning one thousand
  10. 25. Device that converts mechanical energy into electrical energy
  11. 26. Flow of electric charge
Down
  1. 1. Positively charged particle in an atom
  2. 2. Magnetic poles come in two: north and ___.
  3. 3. The outermost electrons that influence conductivity
  4. 5. Device that converts electrical energy into mechanical energy
  5. 6. Tool used to measure voltage and current
  6. 7. Small neutral particle in an atom
  7. 8. What occurs when magnetic poles of the same type are brought near each other
  8. 10. Material that resists electron flow; used to prevent current
  9. 11. Unit for electric current
  10. 13. Type of current where electrons flow in one direction
  11. 15. Small, negatively charged particle that moves between atoms
  12. 16. Unit for electric potential
  13. 17. Part of a circuit that provides energy to push electrons
  14. 19. Metal that is highly conductive and often used for wires
  15. 21. Unit for electrical resistance
  16. 22. The pathway electrons follow in a complete loop
  17. 24. Type of material with electrical conductivity between conductors and insulators