character: Thomas Edison
topic: Inventions in Electrical Power Systems
grade: 6
subject: Social Studies
LearnActions
SearchCreate
character: Nikola Tesla
topic: Alternating Current System
grade: 6
subject: Social Studies
LearnActions
SearchCreate
character: George Westinghouse
topic: Development of Electric Power Distribution
grade: 6
subject: Social Studies
LearnActions
SearchCreate
character: Alexander Graham Bell
topic: Influence of Electrical Inventions on Communication
grade: 6
subject: Social Studies
LearnActions
SearchCreate