CK12 Earth Science

Figure 10.11: Stalactites form as calcium carbonate drips from the ceiling of a cave, forming beautiful icicle like formations. ...

Lesson Summary Rivers and streams erode the land as they move from higher elevations to the sea. Eroded materials can be carrie ...

dissolved load The elements carried in solution by a stream. distributaries Smaller branching channels that spread out over the ...

10.2 Wave Erosion and Deposition Lesson Objectives Describe how the action of waves produces different shoreline features. Disc ...

distance between one wave crest and the next crest, is called thewavelength.Three things influence how big a wave might get. If ...

Figure 10.15: Cliffs are eroded by wave action that concentrates energy in these areas. ( 5 ) Figure 10.16: This large wave cut ...

Figure 10.17: A sea arch can form if waves erode from opposite sides of a cliff. ( 46 ) Figure 10.18: A sea stack forms if the u ...

Wave Deposition Rivers carry the sand that comes from erosion of mountains and land areas of the continents to the shore. Soil a ...

Figure 10.20: Sand deposits in quiet areas along a shoreline to form a beach. ( 7 ) causing the sand to curve around in the shap ...

barrier islands so hard that they break right through the island, removing sand, houses and anything in the way. Protecting Shor ...

causes problems for the people on the opposite, downcurrent side. Those people no longer have sand reaching the areas in front o ...

Figure 10.23: Breakwaters are visible in this satellite image, built parallel to the shoreline to protect areas from strong wave ...

sea wall Structure built along the shore, parallel to the shore, to protect against strong waves. spit Long, narrow bar of sand ...

rolled along by the wind. Wind can carry particles across ocean basins and to great heights within our atmosphere. Wind is a str ...

Figure 10.24: Saltation moves sand size particles along the desert floor or on sand dunes. ( 55 ) Figure 10.25: A dust storm app ...

The process of smaller particles being selectively transported by the wind is calleddeflation (Figure10.26). This means the grou ...

Figure 10.27: A polished stone called a ventifact, is produced by abrasion from sand grains. ( 41 ) Figure 10.28: These petrogly ...

Deposition by Wind When you think of a desert or perhaps even a beach, the image that comes to mind might includesand dunes (Fig ...

Figure 10.29: This sand dune in Morocco shows secondary sand ripples along its slip face. ( 38 ) Figure 10.30: Sand dunes have a ...

Figure 10.31: These beautiful rocks are crossbedded sandstones from the Canyons of the Escalante in Utah. ( 28 ) something that ...