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3/1
Late Start
Finsh 3-way circuit wiring
H.W.: Home wiring take home quiz.
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3/2
OBJECTIVES: Students will be able to:
I) Determine the current, and voltage at any point in a
series, parallel or complex circuit.
II) Determine the total resistance of a series, parallel, or
complex circuit.
III) Describe the purpose of circuit breakers, GFI's
and fuses.
IV) Demonstrate knowledge of Illinois wiring code including
wire gauge, color codes, and circuit breaker requirements
Review/MOP Remediation due tomorrow.
H.W.: Practice Test
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3/3
OBJECTIVES: Students will be able to:
I) Demonstrate objectives since 2/15, including
series, parallel, and complex circuits, electrical power, home circuits, and
Illinois wiring code basics.
Circuits Test
H.W.: Read PP 766 - 769 &772. Complete Q's 1, 2, 3, 4, 5, 7, 9 on
p781.
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3/4
OBJECTIVES: Students will be able to
a) define the cause of magnetism.
b) define a domain.
c) describe the location of the earth's magnetic north
pole.
d) map the magnetic field surrounding a magnet.
Magnetism powerpoint
- What is a magnet?
- What is a domain?
- The orientation of the earths’ magnetic poles.
- What is electron spin & a dipole?
_ What are hard and soft magnetic materials?
H.W.: Read PP 773 - 778 & begin the Magnetism
Reading Guide due Tuesday.
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3/7
OBJECTIVES:
a) describe the direction of a magnetic field produced by a
current carrying wire.
b) describe and draw the resulting direction of
current flowing through wire loops.
c) given the current flowing through a loop, determine the
location of the resulting north and south poles.
d) given a current carrying wire in the presence of a
magnetic field, determine the direction of the force on the wire using the
2nd RHR
Directional
indicators, currents and magnetic fields ppt.
More with 1st and 2nd RHR's -
Demo: Forces on current carrying wires
DEMO: Current carrying wires, magnetic fields, and 1st and 2nd
RHR's
H.W.: Magnetism
Reading Guide due Wednesday
1st RHR Practice
-optional
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3/8
OBJECTIVES:
a) given a current carrying wire in the presence of a
magnetic field, determine the direction of the force on the wire using the
2nd RHR
1st RHR Practice
Review 1st 2nd RHR's
F= BIl
and F = Bqv reviewed
Demo: Speakers
Demo: Crooke's Tube
Relating Bqv & BIL
Directional
indicators,currents and magnetic fields ppt.
H.W.: Magnetism
Reading Guide -due tomorrow
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3/9
OBJECTIVES:
a) quantify a force acting on a current carrying wire
using either: F = Bqv or F = BIL
b) state how a loudspeaker works using the 1st and 2nd
RHR's
H.W.: Scientists Tools of the 21st Century
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3/10
OBJECTIVES:
a)Identify an electric motor as a device which converts
electric energy into mechanical energy.
b) Describe the basic operation of a motor and name the main
components of a motor.
c) Define EMF
d) Describe two ways of inducing a current.
e) Describe the variables effecting EMF and how they effect
the EMF, thus deriving EMF = Blv
f) determine the direction of induced currents and magnetic
fields using the 3rd RHR.
Discuss H.W.
Motor demos:
http://www.walter-fendt.de/ph1
4d/elektromotor.htm
Generator demos:
http://www.walter-fendt.de/ph1 4d/generator.htm
Intro to EMF
Demo magnet, wire and loops.
Intro EMF and 3rd RHR.
H.W: RHR and Bqv: P782-783 #'s 34, 35,
Induced EMF: (Read PP796,797) Do P802 #'s 1,3 P821 #'s 9, 10
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3/11
OBJECTIVES:
a) Determine the direction of induced currents and magnetic
fields using the 3rd RHR.
b) State Lenz's Law
c) determine the direction of induced currents and
magnetic fields.
Motors and
Generators reviewed
3rd RHR, EMF = Blv and induced currents
Discuss HW.
Demo: Lenz's Law
Lenz's Law site
Intro to Lenz's Law w/ whiteboards
Faraday's
& Lenz's Laws via Power Point & Demos
Three ways of inducing current in a circuit. Know / study table 22-1 on p 796.
H.W.: Magnetic Domains and Bqv Do P781-782 #12, 25
F =BIl P 783 # 41
P 821, 822 #'s 9, 10, 13, 14, 18, 22,
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3/14
OBJECTIVES:
a) State Lenz's Law
b) determine the direction of induced currents and
magnetic fields.
c) differentiate between step-up and step down
transformers.
d) apply Lenz's Law to transformer operation
Discuss Do 821 #'s 2, 4, 5, 9, 10, 22
Faraday's
& Lenz's Laws via Power Point & Demo Transformers
Do #'s 1, 3, 5 on P. 818
P822 #'s 30, 34,35
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3/15
OBJECTIVES: Review
Discuss #'s 1, 3, 5 on P. 818
P822 #'s 30, 34,35
Review/Discuss Review 821 #'s 2, 4, 5, 9, 10, 20, 22
P 797 Conceptual Challenge #'s 1, 2
Misc. review problems covering each of the following concepts:
1st RHR
2nd RHR
F = BIL = Bqv
3rhd RHR
EMF = Blv
Faraday's Law
Lenz's Law
Motors, generators and transformers.
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3/16
OBJECTIVES:
Assessment/Review
Quiz
H.W. Practice Test
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3/17
OBJECTIVES: Review
St Patrick's Day
Conceptual summary problems/ Discuss Quiz
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3/18
1st Day of Spring
Link to AAPT.org for Photo
Contest Rules
E and M Test
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3/28
School Resumes
OBJECTIVES: students will be able to: a) identify the crest, trough, wavelength,
frequency, amplitude and period of a wave.
Discuss test results
Flashback to Jr. High wave parts.
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3/29
OBJECTIVES: students will be able to determine what affects the
following wave variables:
a) amplitude
b) shape,
c) speed
d) frequency
e) determine the equation which governs the speed of
a wave.
f) determine whether a wave reflects inverted or
upright from fixed and open ends.
Making Waves inquiry.
Discuss inquiry results
Demo: Sound waves
H.W.: Read PP452-458 Do P470 #'s 23, 24, 25, 26, 27, 28, 36,
57
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3/30
OBJECTIVES:
a) identify the nodes and anti-nodes of standing
waves.
b) determine the wavelength of a standing
wave.
c) define and identify constructive and
destructive interference of waves
d) describe the cause of nodes and antinodes
Demo: slinky, string thing, standing waves.
Standing Waves on
a String
Tacoma Narrows Bridge
ICA: Superposition
H.W.: P465 #'s 1, 4, 5
P 470 #'s 30, 31, 35, 37, 38, 39
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3/31
OBJECTIVES students will be able to solve for any
variable in the equation for resonance in
a) open tubes
b) close tubes
Demo: Sounds.
What is required to make a sound?
If a tree falls?...
Play a
tune.
Introduction to resonance:
Demo: ESP hoop, glassware, singing rod, etc.
Demo: Flaming Downspout
Demo: Singin' Tube
Harmonics and Overtones
Resonance continued and
homework discussion.
H.W. Resonance in
Tubes and Strings WS
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4/1
OBJECTIVES students will be able to solve for any
variable in the equation for resonance in
a) define resonance and fundamental frequency
c) define harmonics
d) define overtones
H.W.: Complete Resonance in tubes
Discuss: Resonance in
Tubes and Strings WS
Discuss complex resonance
problems
H.W. Complete the backside of complex resonance problems .
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