Rift Valleys: Formation, Pictures, and Examples Geology In Animated Cross Section of Earth Showing Rift Valley Formation SplitShire Block Mountains And Rift Valleys Rift Valleys: Formation, Diagrams, and Examples Lesson Study.com Rift Valley formation.pptx RIFT VALLEY FORMATION AT DIVERGENT PLATE BOUNDARIES Definition: A rift. Follows a week by week, letter by letter progression. Engages learners who prefer factual content. Uses strictly controlled text so only known letter sounds appear. Includes tricky words only after they have been introduced. Builds confidence as children master the phonics code. Features full color photography throughout. Provides book banded reading levels for use with other schemes. Library contains 72 reader titles, 12 at each phase level. Recommended for ages 46 (Pre K to Grade 2).