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Good Morning! 11/12/10

Good Morning! 11/12/10. QOD Give an example of each: Melting Freezing Evaporating Condensing. Goal: Discuss ideas about the effect of phase change on the mass of substances. Design and conduct an inquiry to investigate what happens to mass when ice melts. Agenda:

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Good Morning! 11/12/10

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  1. Good Morning! 11/12/10 QOD Give an example of each: Melting Freezing Evaporating Condensing

  2. Goal: Discuss ideas about the effect of phase change on the mass of substances. Design and conduct an inquiry to investigate what happens to mass when ice melts. • Agenda: • Work with a group member to discuss ideas and conduct the inquiry • Take notes in journal • Participate in class discussions

  3. Goal: Discuss ideas about the effect of phase change on the mass of substances. Design and conduct an inquiry to investigate what happens to mass when ice melts. • Open your books at page 74. • Look at the pictures of the iceberg and the hot spring.

  4. Goal: Discuss ideas about the effect of phase change on the mass of substances. Design and conduct an inquiry to investigate what happens to mass when ice melts. • What do you think happens to the mass of the matter that makes the iceberg when it melts? • When water evaporates from the hot spring, does the mass of the vapor have the same mass as the water that formed it? Discuss these questions with your partner

  5. Goal: Discuss ideas about the effect of phase change on the mass of substances. Design and conduct an inquiry to investigate what happens to mass when ice melts. • In your journals, give heading Changing Matter and Mass 11/04/08 • Using the “ If….then…..because ….” format, write your prediction of what will happen to the mass of the matter in the following situations: • the mass of an ice cube when it melts • the mass of the water in an ice cube tray when it freezes • the mass of the water in a tea kettle when it boils

  6. Goal: Discuss ideas about the effect of phase change on the mass of substances. Design and conduct an inquiry to investigate what happens to mass when ice melts. • Check page 75 to see what materials you will need for this inquiry. • Write down your own procedure for carrying out this investigation. Label it as My and My Partner’s Procedure.

  7. Goal: Discuss ideas about the effect of phase change on the mass of substances. Design and conduct an inquiry to investigate what happens to mass when ice melts. • Copy this procedure down As the Class Procedure. • Note that this procedure is not complete. What is missing? Add that tot his procedure at the right steps. • Put two spoonfuls of crushed ice in the bottle. • Screw the lid on tightly. • Measure mass using electronic balance. • Wait for ice to melt. • Use paper towel to wipe any condensation. • Reweigh the bottle when the ice has melted.

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