The surface of the earth is covered by 2/3 water. Water cycles through our environment. Find out more and print out these reading cards at montessorimom.com
Weather changes all the time. Different things, such as the rotation of the earth, cold air masses at the north and south arctic areas and warm air masses at the equator help bring different air masses together to make our weather patterns.
Check out more about weather fronts and free printouts at montessorimom.com