character: Archimedes
topic: Archimedes and his contributions to mathematics and engineering during the Hellenistic period.
grade: 6
subject: History
LearnActions
SearchCreate
character: Eratosthenes
topic: Eratosthenes and his calculation of the Earth's circumference.
grade: 6
subject: History
LearnActions
SearchCreate
character: Hero of Alexandria
topic: Innovations of Hero of Alexandria in mechanics and pneumatics.
grade: 6
subject: History
LearnActions
SearchCreate
character: Hipparchus
topic: Hipparchus and the development of astronomy during the Hellenistic era.
grade: 6
subject: History
LearnActions
SearchCreate