1. Science November 20, 2015

2. WARM UP Bring your notebook, pencil, agenda, crayons, and colored pencils to your desk Complete Friday’s warm up now YOU ARE QUIET, WORKING WHEN THE BELL RINGS

3. Announcements.. We will have our test on this unit Tuesday, November 24 th I will be checking notebooks during the test I may check either….. 17 vocabulary words list graphic organizer for thermal energy pie chart with statements toaster lab flow chart cut and sort energy types

4. When heat moves across spaces between 2 things that are not touching, thermal energy transfers by __________ When 2 things are touching, thermal energy transfers by __________________ When heat rises or circulates in liquids or gases, thermal energy transfers by________________ Write each statement then complete the statement (6.P.3.1)…

5. Today’s Agenda… 1. Hand warmer lab – small groups 2. Getting to Know: Heat and Temperature Reading with Questions

6. Hand Warmer Lab Label the next page in your notebook Hand Warmer Lab

7. We will read page EN 87 “Explore” together in our textbook You will work in groups to complete this lab Everyone will also answer the 5 questions on page EN 88 in their notebooks Lab…Hand Warmer

8. In your group you will follow the procedure and record your results on your handout Everyone must record the information and answer the questions Does anyone not understand? 25 minutes…..GO Lab…Hand Warmer

9. Question on Page EN 88 1. What changes were observed? 2. What caused the change in temperature? 3. What types of energy can be identified in the hand warmer? 4. How is this lab similar and different from the toaster lab yesterday? 5. How can we generate other forms of energy?

10. You will now get an information card. Read this card and be ready to discuss the answers to these questions…. 1. What is inside the hand warmer? 2. Is the hand warmer reusable? How?. 10 minutes….GO How did it do that…

11. Let’s review…. Question 1: Question 2: How did it do that…

12. How did it do that???? So what is Sodium acetate? It is a liquid at room temperature It is known as hot ice; commonly found in heating pads and hand warmers. Is the sodium acetate a liquid or a solid in this picture?

13. Our hand warmers…. Sodium acetate (liquid form) is placed inside pouches containing a metal disc. When you click the metal disc inside the pouch, a few metal particles are released. This causes the sodium acetate to react! This is chemical energy! The sodium acetate quickly change to a solid. This is known as supercooling.

14. Let’s check our understanding… When a liquid changes to a solid does it gain energy or lose energy? It Loses energy….the energy is lost to the environment and we feel this as HEAT on our hands!!!

15. Did you know that… Sodium acetate heat pads can be used over and over again, simply boiling them will return the solid sodium acetate back to a liquid. This means it is ready to be used again. Pretty cool…. http://www.youtube.com/watch?v=lrCzAGPw cIY http://www.youtube.com/watch?v=lrCzAGPw cIY

16. Next… Getting to Know: Heat and Temperature Reading and Questions Grab a chromebook and login to my wiki page You will access the Discovery Education reading by clicking on the link….

17. Questions from reading… Answer the following questions in your notebook once you finish reading 1. What type of matter has thermal energy? 2. What is the difference between heat and temperature?