GLOSSARY

bacteria (bak-TEER-ee-uh)—

very small living things that exist all around you and inside you; some bacteria cause disease

canteen (kan-TEEN)—

a small metal container for holding water

dehydration (dee-hy-DRAY-shuhn)—

a life-threatening medical condition caused by a lack of water

enthusiast (in-THOO-zee-ast)—

a person who is very excited about or interested in something

filter (FIL-tur)—

a device that cleans liquids or gases as they pass through it

incline (IN-kline)—

a slanting surface

lush (LUHSH)—

covered with a thick growth of healthy plants

ranger (RAYN-jur)—

a person in charge of a park or forest

shelter (SHEL-tur)—

a safe, covered place

steep (STEEP)—

having a very sharp slope, almost straight up and down

torrential (taw-REN-shuhl)—

coming in a large, fast stream

unison (YOO-nuh-suhn)—

at the exact same time