Young scholars compare/contrast the DNA sequence data of the rat GULO gene to the inactive human GULO gene. They translate and align the sequences, and propose a scenario to explain the occurrence of an inactive DNA sequence to that of...

Students explore and explain how mutations in the DNA sequence of a gene may be silent or result in phenotypic change in an organism and in its offspring. They analyze how evolution and biodiversity are the result of genetic changes that...

An introductory lesson in probability for students in grades three to five. The concepts presented in this lesson are interwoven, over time, into a current unit of study. Kids examine closely the "language" of probability as used in...

Focus on the "language" of probability by listing events from your life that are certain, impossible, likely and unlikely to happen. Determine the likelihood of an event occurring using a probability scale, based on a data set, and by...

Use a bag of M&Ms to learn about probability. Includes graphs and percentages, and the steps needed for the students to duplicate the numbers.