DAY 167
Video lecture for today: https://youtu.be/coYo0Ldfg1Q
ESSENTIAL QUESTION: How can we build a motor out of magnets, wire, and a battery?
Goals: SWBAT...
1. Conceptually ascertain & numerically calculate the properties of an Electric Field by testing the effects of charge & distance on the strength of an electric field & force.
2. Align positive & negative charges such that a positive test charge will enter the goal.
3. Interpret electric field line drawings
4. (HW) Define resistance and Ohm's Law
WARM-UP (copy these notes, then fill in) 4min
Need help? See the link just below the warm-up? Click it and go to Slide #2...
Electric Force: non-_______ force, just like gravity.
Electric Field: all _______ objects create an electric field that extends outward into the space it surrounds
A charged object can attract or ______ at a distance
Stinky diaper analogy: One stinky diaper will fill up a ______ room with the smell. If you stick your nose close to a stinky diaper, the smell will be quite ______. The farther from the diaper you get in the room the _______ smelly the scent gets. However, there will always be at least some _______ of stinky diaper everywhere in the room.
Electric Field Intensity: the closer to a charge OR the higher the charge at the source, the ________ the electric field.
Test Charge: the charge used to measure the electric field _________.
LINK: https://docs.google.com/presentation/d/1YnCkOUaODNns5_W0KxGlorZrt2XjpvoZeukAwWolAr0/edit?usp=sharing
CLASSWORK
1. 167A: Electric Field Hockey Pre-Lab
Complete the following, in your notes: LINK
2. 167B: Electric Field Hockey Lab (20 min)
Complete the remaining levels, in your notebook: LINK
3. 167C: Electric Field Notes (4min)
slides 2,7,8
4. 167D: Electric Field Practice (15min)
Document is on Schoology. You should be able to complete it in class.
Can't access schoology? Here's a backup link (LINK)
5. Wrap Up:
- Which way would E Field arrows point around a negative charged particle?
- How can you get a charged particle to change direction?
- When Electric Field lines are drawn close together, what does that tell you about their strength?