Fifth graders learn of how genes transfer information from one generation to the next. They flip a penny and circle traits to create an offspring. Next, they will draw a picture using the traits circled with colored pencils on the "Who...

Fifth graders explore heredity and observable traits through experimentation. They view several different types of corn and record their observation of physical traits on a class chart. They create a corn necklace by sprouting dried...

Although pesticides are designed to kill pest populations, they are seldom 100% effective -- a few individuals usually survive and reproduce. These survivors may have a behavioral trait that helps them avoid the pesticide, a biochemical...