represent the natural world using models such as volcanoes or Sun, Earth, and Moon
system and identify their limitations, including size, properties, and materials; and
Standard:
3.7.A
Description:
explore and record how soils are formed by weathering of rock and the decomposition of plant and animal remains;
Standard:
3.7.C
Description:
identify and compare different landforms, including mountains, hills, valleys, and plains;
Standard:
3.7.D
Description:
explore the characteristics of natural resources that make them useful in products and materials such as clothing and furniture and how resources may be conserved.