1.+Standards

=This unit is based on the following Ohio 4th grade standards:=

D. Analyze weather and changes that occur over a period of time. 02. Identify how water exists in the air in different forms (e.g. in clouds, fog, rain, hail, snow) 03. Investigate how water changes from one state to another (e.g. freezing, melting, condensation, evaporation) 04. Describe weather by measureable quantities such as temperature, wind direction, wind speed, precipitation, and barometric pressure.
 * __S01. Earth and Space Sciences__**