TY - MANSCPT AU - Rene',Ellen TI - Investigating Why Leaves Change Their Colors SN - 978-1-4042-4485-6 PY - 2009/// CY - New York PB - PowerKids Press KW - Leaves - Color KW - Fall foliage N1 - 1 - 6 N2 - Plants build themselves mostly from the air. That is where they get carbon, a building block for life. The carbon plants use comes from carbon dioxide, a gas in the air. Plants turn carbon dioxide and water into food ER -