'Rock cracks' diaporamas de présentation

1.3 Incremental Changes: Wind, Water, and Ice

165 views • 16 slides

Stream Dynamics

1. Stream Dynamics. Weathering. Erosion. Processes which impact the course of a river over time. Deposition. Stream discharge. Gradient (slope). Tectonics. 2. Factors which influence water velocity. Stream Discharge. The volume of water in a stream.

473 views • 13 slides

Physical (Mechanical) Weathering

Physical (Mechanical) Weathering. We are looking for descriptions and examples of destructive processes: Ice wedging Root pry Exfoliation Abrasion. Ice Wedging. Water seeps into cracks in rocks Temperature decreases and the water in the rocks freezes

272 views • 12 slides

The BIG question: How do rocks get EVERYWHERE?

Read-aloud (HIST): The Statue of Liberty. Lesson: What different kinds of weathering can we see in New York City?. (on-going) Mechanical weathering LAB: DO all rocks carried along in a stream undergo the same physical changes??.

159 views • 2 slides

Rain falls

Weathering Process - Thawing and Freezing . Snow falls and temperature drops. Wind Blows. Rain falls. Water freezes. Rock Cracks further. ICE expands.

156 views • 1 slides