3 Changing cliff 0 Keywords: Earth systemsanimationcliffserosionlandformsobservations Student view an online animation of cliff erosion and then write a description of what they observe about this process. Preview
2 Treasure map features 1 Keywords: Earth systemscliffslandformsmountainsriversvocabulary Students follow a story about searching for gold on an island. In the process they answer five questions about landforms. Preview