Maria Mitchell discovered a comet, became the first female astronomer in the United States, and even has a crater on the moon named after her! Learn more about her passion for the stars with an informative reading passage, followed by...

Bring Benjamin Franklin to life in the classroom with a set of five activities. Discover the type of person he was and his accomplishments through a study of his inventions and comments about life virtues. 

Many phenomena in life are periodic in nature. A task-based lesson asks scholars to explore one of these phenomena. They collect data showing the sunrise time of a specific location over the period of a year. Using the data, they create...

How many birthdays do leap year babies have in a lifetime? Learners explore the question among others in a lesson focused on different calendar systems. Given explanations of the Julian, Gregorian, and Martian calendars, individuals use...