GLOSSARY
soil(soyl) n. the ground where things grow
Crops like corn can grow in soil.
(spās) n. the empty area outside of Earth
Scientists use tools to look into outer space.
(stāts) n. a part of a political union, like the United States of America
Four big states make up the Southwest.
(ser-vīv) v. to keep on living
Bears need plants, water, and air to survive.