All About Soil! Crossword Puzzle

QUESTIONS LIST:

• parent material : rock and organic material that is broken down to create new soil; a soil's parent
• retain : to continue to have something; to keep something
• bedrock : third layer of soil; it is made of solid rock
• sand : type of soil with the largest individual particles
• subsoil : second layer of soil, made of rocks and soil
• particle : an individual piece or portion of matter
• loam : type of soil that is made up of sand, silt, and clay
• weathering : the wearing down of materials by natural causes
• soil : a mixture of decaying organic material, weathered rock, water, mineral fragments, and air that takes thousands of years to develop
• nutrients : a substance that provides nourishment essential for growth and the maintenance of life
• humus : decomposed organic material found in soil
• horizon : another word for a soil "layer"
• topsoil : top layer of soil; rests above subsoil and bedrock
• clay : type of soil used to create pottery
• silt : type of soil that is light brown and feels like powder