100
Who is Maria Mitchell?
Who was the first woman to work as a professional astronomer?
100
What is Ford Motor Company?
Henry Ford is the founder of what company?
200
What is the assembly line?
What did Henry Ford use to produce cars more efficiently?
200
What is the telescope?
What did Maria Mitchell use to make her discovery?
300
Who is Jonas Salk?
Who discovered a vaccine for polio?
400
What is the Quadricycle?
What was the first car Henry Ford developed?
500
What is Microsoft?
What company did Bill Gates start?






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