The Maya organized themselves into small city-states instead of one big empire. The largest city-state was Tikal. By 750 CE, it had about 40,000 inhabitants. Tikal’s residents had specialized jobs and were ruled by elites. Mayan city-states fought each other frequently. The main goal was to capture enemies and sacrifice them to the Mayan gods.

I teach Big History to a diverse population of ninth graders. As with any classroom, differentiation and extra scaffolding are necessary for meeting my learners’ needs. It’s important …

6 7 When Galileo left Padua in 1610 to move to Florence, he put their two daugh-ters in a convent and left his son with Marina. Galileo’s first known astronomical observation occurred in 1604, when a

IBN BATTUTA MUSLIM TRAVELING JUDGE Born February 25, 1304 Tangier, Morocco Died 1368 or 1369 Location unknown By Cynthia Stokes Brown, adapted by Newsela

If you will attend, do you mind sharing a bit about your familiarity with BHP and what you hope to get out of the session?

6 7 Self-maintenance The self must get the molecules and energy that it needs for self-generation. One strategy is to use photosynthesis, turning the Sun’s light energy into

Are you interested in attending the PLC meeting on March 7 at the University of Amsterdam? (We’ll follow up with more information about time and location soon.)