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Sub Day 3/11/10 Read Pages 14-19, 35, & 37-41 to complete the worksheet. Today’s Agenda • Warm-Up: Read Pages 14-19, 35, & 37-41 to complete worksheet. • Classwork: – Magnetism and Electricity Textbook Assignment. – If textbook assignment is finished early…COMPLETE KEY QUESTIONS 14 & 15. • Homework: – EFD STEP 2: Due Monday – construct and bring switch in to class w/o pole. • Conclusion: Student Objective Thursday, July 6, 2017 Students will be able to… • Describe the shape of magnetic fields. • Explain how magnetic fields and how electric charges interact. • Describe how electric charges build-up and transfer. Name: _______________ Date: _______________ Class: _______________ READ PAGES 14-19 TO ANSWER QUESTIONS 1-7. 1. What part of an atom spins to produce a magnetic field? ______________________ 2. Why are most materials not magnetic? ______________________________________________________________________ _____________________________________________________________________________________________________ 3. How do the domain arrangements of magnetized and not magnetized materials compare? _____________________________ ______________________________________________________________________________________________________ ______________________________________________________________________________________________________ 4. What are some common ferromagnetic materials found in nature? ________________________________________________ ______________________________________________________________________________________________________ 5. How can you make a temporary magnet from a paperclip? ______________________________________________________ ______________________________________________________________________________________________________ ______________________________________________________________________________________________________ 6. What are two different ways to destroy a magnet? _____________________________________________________________ 7. What happens if you break a magnet in half? _________________________________________________________________ ______________________________________________________________________________________________________ READ “ELECTRIC CHARGE” (PAGE 35) TO ANSWER QUESTIONS 8-10. 8. Charges that are the same ____________________ each other. 9. Charges that are different ____________________ each other. 10. What is the one important difference between electric charges and magnetic poles? __________________________________ ______________________________________________________________________________________________________ ______________________________________________________________________________________________________ READ “STATIC ELCTRICITY” (PAGE 37) TO ANSWER QUESTIONS 11 & 12. 11. What is static electricity? _________________________________________________________________________________ 12. What does static mean? __________________________________________________________________________________ READ “TRANSFERRING CHARGE” (PAGES 38 & 39) TO ANSWER QUESTIONS 13-15. 13. Charging by ____________________ is the transfer of electrons from one uncharged object to another by _______________. 14. Charging by ____________________ is the transfer of electrons from a charged object to another by direct _______________. 15. Charging by ____________________ is the transfer of electrons to one part of an object that is caused by the electric _______________ of a second object. READ “STATIC DISCHARGE” (PAGES 40 & 41) TO ANSWER QUESTIONS 16 & 17. 16. What happens when negatively and positively charged objects are brought near each other? ___________________________ ______________________________________________________________________________________________________ ______________________________________________________________________________________________________ 17. The tiny spark you see when touching a doorknob and lightning are both examples of _________________________________. HOMEWORK Project Step 2: Due MONDAY! Key Questions 11-15 Due Friday, March 26th (typed!) Always copy daily homework into your agenda. ??? Unlike magnetic poles which must be in pairs, electric charges can stand alone. A.TRUE B.FALSE LS E 0% FA TR U E 0%