T- explains difference between identical, fraternal, and siamese twins. T and students ask questions to each other. T- she collects extra credit as the kids prepare their papers. T- she passes out tests to the students and they begin. The test continues, and so do individual questions.
Some students begin to finish.
T- there is a science world magazine to read pg. 7 about siamese twins. T- we have a fire drill so if you re not finished write need more time and turn it in to the back table. Students return tests.