Today's lesson focused on the Sahara Desert. Mercer read material detailing the Sahara desert's exciting history and facts. He learned that the Sahara desert is the largest non-polar desert in the world, occupying land pertaining to many countries, including Algeria, Chad, Egypt, Libya, Mali, Mauritania, Morocco, Niger, Western Sahara, Sudan, and Tunisia. Mercer discussed the desert's extreme temperatures, dunes, sand storms, and how the nomadic people used camels to tend sheep and goats and travel through the Sahara. Jayne was on task.