Monarch Butterflies
Fall
Migration
Cold Fronts and Winds
Contributed by Dr. William Calvert
National Science Education Standards
Life Science
The behavior of individual organisms is influenced by internal cues
(such as hunger) and by external cues (such as a change in the environment).
Earth
and Space Science
Weather changes from day to day and over the seasons. Weather can be described
by measurable quantities, such as temperature, wind direction and speed,
and precipitation. (K-4)
