Explains how spits are formed by longshore drift and then salt marshes.
Connect your daily life experiences with specific points in a reading using a Double Entry Diary.
South Florida is running out of sand. In a tremendous recycling effort, broken down glass bottles may be used for sand.
Beach sand is made of minerals that are resistant to erosion, like quartz. Minerals that are found in rock nearby or that comes down in rivers are the source materials.
A study guide for erosion and deposition by streams, groundwater, and waves.
An animation of how a grain of sand is displaced by water.