1. OBJECTIVE: – Explain how an electromagnets strength can be changed. Warm-up: What is the main difference between a motor and a generator? A motor turns electricity into motion. A generator turns motion into electricity.

2. Click on the link below and complete the 5 charts on your worksheet and answer the questions a – f. http://archive.fossweb.com/modules3- 6/MagnetismandElectricity/activities/ele ctromagnet.htmlhttp://archive.fossweb.com/modules3- 6/MagnetismandElectricity/activities/ele ctromagnet.html

3. Click on the link below and complete the charts on Exploration Activity #3 and answer the questions on your worksheet. http://www.harcourtschool.com/activity/el ectromagnets/http://www.harcourtschool.com/activity/el ectromagnets/

4. Main Idea Detail Identifying Main Ideas As you read the section “Solenoids,” write three supporting details that further explain the main idea. (pg. 82) A solenoid is useful because its magnetic field can be changed. Its magnetic field can be turned on and off. Its magnetic field can have its direction changed. Its magnetic field can have its strength changed.

5. Main Idea Detail Identifying Main Ideas As you read the section “Solenoids,” write three supporting details that further explain the main idea. (pg. 82) A solenoid is useful because its magnetic field can be changed.

6. BBC - KS3 Bitesize: Science - Magnets and effects of electric currentBBC - KS3 Bitesize: Science - Magnets and effects of electric current **Click “Sound off” & “Subtitles On” Next take the “test” at the bottom of the webpage or click the link below. BBC - KS3 Bitesize Science - Magnetism and electric currents : Test

7. 7 Discovery Education: Future Power virtual lab http://www.wonderville.ca/asset/save-the-world Finished Early?

8. Click Arrow button to continue. ippex online Click “Download”, then “open”. View both tabs at top: Magnet & Electromagnet Magnets and Electromagnets - Magnetism, Magnetic Field, Electromagnets – PhET

9. 9 PhET Energy Skate Park - Conservation of Energy, Kinetic EnergyPhET Energy Skate Park - Conservation of Energy, Kinetic Energy 1. Click “Download” 2. Check box for “Show Pie Chart” 3. Check box for “Bar Graph” Complete Energy Skate Park worksheet