3.1 Weathering
when rocks are broken down into smaller pieces(weathering or erosion)
weathering
When water, ice, wind, and gravity move particles of rock and soil from one place to another. (erosion or weathering)
erosion
Soil is a mixture of weathered rock particles, ________, and plant/animal remains (aka "humus").[minerals or mud]
minerals
when a rock's minerals are changed into new substances (chemical reactions) - mechanical weathering or chemical weathering
chemical weathering
A mass of ice that covers a large area and moves slowly and causes erosion. (Glacier or Iceberg)
glacier
the top layer of soil that contains nutrients and minerals that living plants need in order to grow. (Topsoil or Subsoil)
Topsoil
when oxygen from the air and water reacts with the iron in rocks (oxidation or acid rain)
oxidation
When rocks are dropped or laid down after erosion. Is this weathering or deposition?
deposition
the layer of soil below the topsoil (subsoil or bedrock)
subsoil
rain, sleet, or snow that contains an abnormal amount of acid (oxidation or acid rain)
acid rain
Was the Grand Canyon mostly formed from water erosion or wind erosion?
water erosion
Name a type of soil (look in your notes) besides clay soil
loam, peat, silt, chalk, sandy