Ecosystem, human body system, weather system. We hear the word system a lot, but what does it really mean? In the activity, pairs or groups of learners discuss how a bicycle is a system and then analyze objects in their classroom and...

Learners read the book, The Great Migration by National Geographic, then complete this set of related worksheets. They review vocabulary, complete five short answer questions, discuss push and pull factors for the migration, then write a...

In this early civilizations activity, middle schoolers read 4 paragraphs about great river civilizations and then label them Nile, Tigris and Euphrates, Indus, and the Huang He River Civilizations. Student also complete a writing prompt...

In this Cold War instructional activity, students read 3 brief selections about the conflict and then respond to 13 short answer and multiple choice questions based on the selections.