Young Scholars Instructional Plans “What’s the Matter?” Fourth Grade Unit 1B States Session Eight Math and Science Mastery Objective Materials Describe changes in the motion of molecules as a substance is heated and cooled. Use evidence from an experiment to make an inference about molecular motion. 4.OA.5 Generate a number or shape pattern that follows a given rule. Identify apparent features of the pattern that were not explicit in the rule itself. Teacher Note: Pre-read the Inquiry in Action, Investigating Matter Through Inquiry (3rd ed.,) Investigation 6 “States of Matter” unit overview provided on pp. 323-333 prior to using this new curriculum resource. Not all investigations are used. See details in the individual Young Scholars Program Session Planners. For videos, animations, and other information related to this investigation, go online to: www.inquiryinaction.org, click on the “States of Matter” link in the Review States of Fundamentals column. Click on the light gray “Hot and Cold” and “Heat Affects the Motion of Molecules” tabs to preview videos of the first teacher demonstration. Videos can be downloaded in PC and Mac formats. Class set of Math Forum Problem Missing Pages Missing Pages Math Fundamentals Problem Packet for Teachers Calculator Teacher Resources for Investigation 6.1 Matter on the Move, pp. 334-337 Student copies of Activity Sheet 6.1 Matter on the Move, pp. 338-342 Activity 6.1 Materials needed for the teacher demonstration: Hot tap water Cold water 2 small bottles of blue food coloring 2 small bottles of yellow food coloring Tall clear plastic cups Wide clear plastic cup Plastic bottle with lid, 1/2 pint or 1/2 liter Activity Sheet 6.1 Materials needed for each group: Hot tap water Cold water 3 wide clear plastic cups Bubble solution (made with dishwashing liquid, sugar, and water) Plastic bottle with lid, 1/2 pint or 1/2 liter Students should use caution when handling hot tap water. Young Scholars Instructional Plans “What’s the Matter?” Activator 8:45 am – 9:15 am (30 minutes) Fourth Grade Unit 1B States Question of the Day? (Math Forum Activity) Missing Pages [Problem #17069] In Missing Pages solvers use what they know about consecutive numbers to find the page numbers on a missing leaf in a book. In the Extra they learn about pagenumbering conventions and apply that knowledge to think about possible page numbers on a missing leaf. Science Focus Lesson 9:15 am – 9:45 am (30 minutes) Sensory Break 9:45 am - 10:00 am (15 -20 minutes) As with the upcoming Four Dates Math Forum problem in Session 9, and Pauline the Plumber Math Forum problem in Session 10, students may use the strategy of Make a Mathematical Model. In addition to the Missing Pages Teacher Packet, also refer to the Problem Solving Communication and Activity Series Round 19: Make a Mathematical Model to see how the strategy is applied to this series of problems. Use the accompanying questions as prompts. 1. Tell students that they will explore consecutive number patterns and relationships to solve for an unknown number. Define and give examples of consecutive numbers. 2. Remind students to use a method of organizing their numbers, like using a chart or list, to see what number and place value patterns are revealed as they solve the problem. Investigation 6, Activity 6.1 “Matter on the Move” In this two-part demonstration and activity, students will be introduced to revisit the idea that heating and cooling have an effect on matter. They will see that food coloring mixes significantly faster in hot water than in cold water and begin to develop the idea that adding heat energy increases the movement of water molecules. Students will extend this idea to realize that adding heat energy increases the movement of gas molecules, too. Students will then do an activity where they heat and cool the air inside a bottle that is covered with a film of bubble solution. These demonstrations and activities will help students develop a foundation for why substances change from one state to another. 1. Distribute Activity Sheet 6.1 “Matter on the Move.” Present the question “Do heating and cooling have an effect of matter?” Follow Activity 6.1 Steps 1-3. Students will make a prediction, then observe and discuss the food coloring demonstration. Students will complete #1-3 of their Activity Sheet. 2. Continue with Activity 6.1 Steps 4-5. Students will complete #3-4 of their Activity Sheet. 3. Introduce the student investigation in Step 6. Set up materials for the small group investigation during the Sensory Break. Measuring Temperature (4:40) http://www.neok12.com/php/watch.php?v=zX6b6f7c7d79750d4f007102&t=HeatTemperature 1. Show the video then guide/ask students to make connections to what they learned about the movement of molecules (food coloring) in the hot and cold water demonstration. Young Scholars Instructional Plans “What’s the Matter?” Fourth Grade Unit 1B States Temperature vs. Heat (4:38) http://www.neok12.com/php/watch.php?v=zX406d1b4667484b5e63597f&t=Hea t-Temperature 2. Tell students that this video segment will explain the differences between temperature and heat. Afterwards, take time to clarify misconceptions and highlight the following key concepts: a. Temperature is a measure related to the motion of the atoms or molecules of a substance. Since the motion of these particles is based on the speed or energy of the substance, temperature is a measure of the average speed or energy of the particles. Speed is the determining factor for temperature. b. Heat, however, is the energy that is transferred from a substance with a higher temperature to a substance with a lower temperature. A substance can only be cooled by allowing some of its heat energy to be transferred to something of a lower temperature. For example, if cans of room-temperature soda pop are placed in a cooler filled with ice, the temperature of the soda goes down. This is because heat energy is transferred from the warmer soda to the cooler ice. A loss of some heat energy from the soda results in less motion of the molecules within the soda, which can be measured as a lower temperature. c. The “quantity of heat” is determined by the speed AND mass of molecules. Mass is a measure of amount of matter. The big bucket of 50 degree Celsius water warmed the water in the pool because it had a much greater mass, which made up for the slower speed of the water molecules (lower temperature). By comparison, the water molecules in teacup moved at a faster speed of (higher temperature), but there just was not enough mass to warm the pool. Science Focus Lesson 10:00 am – 10:45 am (40-45 minutes) Closure 10:45 am-11:00 am (15 minutes) 1. Communicate expectations and safety guidelines. Post and review the procedures for the student investigation, “What happens to a film of bubble solution when the air inside a bottle is warmed and cooled?” 2. Follow Activity 6.1 Steps 6-8. -Students should follow along on their Student Activity sheet and complete #6-8. 3. Allow 5-8 minutes for student groups to clean up and return their materials. 1. Ask students to record important information they learned about how heating and cooling affect the motion of molecules. They must provide a brief explanation and 1-2 examples in their lab book. 2. Go back to the “Chemistry Review: States of Matter” link and click on the tabs “Heat vs. Temperature” and “Heat vs. Temperature: an Example” tabs for a brief review of the key concepts explained above. Allow students to add information to their journal entry. http://www.inquiryinaction.org/chemistryreview/states_of_matter/ Young Scholars Instructional Plans “What’s the Matter?” Name ____________________________________ Fourth Grade Unit 1B States Date ___________________ Missing Pages [Problem #17069] Mr. Dawkins asked his class to open their math books to a new lesson. Drew reported that a page was missing from his book. When Mr. Dawkins asked him what page it was, Drew told him that the sum of the page numbers on either side of the missing page was 219. Question: What are the page numbers on the missing page? (Reminder - Organize your information to better keep track of the numbers you have tried.) Explain how you solved the problem and show how you know your answer is correct. Extra: Alexa reported that a page was missing from her book, too, and that the numbers on the pages on either side of the missing one added to 129. Drew thought for a few seconds, looked in several books in his desk, and said that a sum of 129 was not very likely. What did Drew discover about page numbering? How did he know 129 was not possible? Explain your thinking. Consecutive Numbers-