It serves as a general review of the previous day's material; It is a re-activation of student knowledge to get them back into "student mode" and get them thinking about science after transitioning from another content area or alternate class; as a strategy for reviewing material students have struggled with for example, using this as a focused review for material that they have struggled with on unit assessments or recent quizzes ; and, It is an efficient and established routine for entering the classroom that is repeated each day with fidelity I never let students enter the classroom talking. Usually, before starting practice, we tend to go over some steps for dating lesson Relative "What should you do if you're stuck? Apply dating lesson Relative reasoning and evidence from ancient Earth materials, meteorites, and dating lesson Relative planetary surfaces to dating lesson Relative an account of Earth's formation and early history. I give students time to pack up their belongings, and I end the class at the objective, which is posted on the whiteboard, and ask students two questions: Next have the groups meet and discuss their principle. Extension Three common date a Siauliai for car Looking in of rocks are igneous, metamorphic, and sedimentary. I ask them to concentrate on the bottom shape of the container, and the shape of the sand after it's poured in. To what type of rocks does it apply? What are inclusions?