character: George Westinghouse
topic: Expansion of Electrical Power Systems
grade: 4
subject: Social Studies
LearnActions
SearchCreate
character: Thomas Edison
topic: Electricity and Inventions
grade: 4
subject: Social Studies
LearnActions
SearchCreate
character: Nikola Tesla
topic: Alternating Current and Innovations
grade: 4
subject: Social Studies
LearnActions
SearchCreate
character: Henry Ford
topic: Industrial Revolution and Energy Use
grade: 4
subject: Social Studies
LearnActions
SearchCreate