I Wonder Why Vocabulary Words Crossword

an instrument for showing directions
letting only some light pass through
the gasses surrounding the earth
an Inuit house, shaped like a dome and made of ice blocks or hard snow
tiny amount or small piece
to strike or bump into one another with force
the usual weather conditions in a place
huge blocks of freshwater ice that break off form glaciers
to make dirty or harmful to health by mixing in or adding waste material
one of the huge plains in the arctic region; a treeless plain
ground that is frozen all year long
a structure that is put up quickly for protection or to block the way