Day 166

Video lecture for today: https://youtu.be/d36o9F-UFxY

Goals: SWBAT...

1. define conductor and insulator

2. describe charging by friction and by induction

3. understand how connection-free charging pads work

WARM-UP:

1. Have you ever used wireless charging before? 

2. How close to the charger do you need to be? 

3. Define the following:

    a. conductor

    b. insulator

    c. semiconductor

    d. superconductor

CLASSWORK

1. 166A: Charging by Friction & by Induction Guided Reading 

    Guided Reading Handout: LINK

    Textbook Reading: LINK

    Blank document for your answers is on Schoology. Can't access schoology, here's a backup link (LINK)

    Examples of induction: 

• https://www.google.com/search?q=starbucks+charging+ring&safe=strict&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjBvP_f-ariAhUKllQKHd6XDy4Q_AUIDygC&biw=1008&bih=675

• https://www.google.com/search?q=phone+induction+charging&safe=strict&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiI7-fM-ariAhUN-lQKHXy1DxQQ_AUIDygC&biw=1008&bih=675

• https://en.wikipedia.org/wiki/Inductive_charging    

• Wireless Charging Video: https://www.youtube.com/watch?v=qr63Kl0SuFo

Complete 1-22 (we did four of them in the warm-up)

 166A: How attracted are you? 

    Practice (do any 6 for proficiency, or all 12 for mastery). Solve these on paper. LINK

3. determine how charged particles interact with one another