Changing the Shape of Land 2-ESS2-1

Grade 2 - NGSS - CA

The slow downhill movement of soil or rock

Creep

The slow downhill movement of soil or rock is known as creep. Creep is when soil or rocks slowly slide down a hill over time.

The process in which rock is worn away and transported by water, wind or ice

Erosion

The process in which rock is worn away and transported by water, wind, or ice is called erosion. Erosion happens when wind or water slowly move dirt and rocks from one place to another.

The sudden movement of loose rock and soil down a slope

Landslide

The sudden movement of loose rock and soil down a slope. Landslide. A landslide is when rocks and dirt quickly slide down a hill or mountain.

The management of soil to prevent erosion and nutrient loss

Soil conservation

The management of soil to prevent erosion and nutrient loss. Soil conservation. Soil conservation is taking care of the ground so plants can grow and thrive.

The processes which break down rocks

Weathering

The processes which break down rocks. Weathering. Weathering is when rocks slowly crumble and change into smaller pieces because of wind, water, or plants.