At this level, Physics deepens in complexity. Students apply algebra and basic trigonometry to solve real-world and theoretical problems. Many schools offer Honors Physics or Pre-AP Physics at this grade. Focus areas include advanced mechanics, electromagnetism, wave phenomena, and sometimes modern physics.
Key Concepts:
Motion in Two Dimensions
Vector addition/subtraction
Projectile motion with angled launches
Relative Motion
Boats in rivers, planes in wind
Graphical Analysis
Interpreting and drawing motion graphs (s vs. t, v vs. t, a vs. t)
Skills Developed:
Applying trigonometry to motion problems
Vector resolution and vector addition
Calculating trajectory, range, max height
Key Concepts:
Force Components
Forces on inclined planes
Tension, normal force, friction in 2D
Systems of Objects
Pulleys, Atwood’s machine
Non-Inertial Frames (Introductory)
Apparent forces in elevators, rotating systems
Skills Developed:
Drawing complex free-body diagrams
Solving force problems with trigonometric components
Using Newton’s laws in multiple-body systems
Key Concepts:
Work-Energy Theorem
Net work = ΔKE
Potential Energy: Gravitational and Elastic
Springs and Hooke’s Law
F=−kxF = -kxF=−kx, PE=12kx2PE = \frac{1}{2}kx^2PE=21kx2
Conservation of Mechanical Energy
Power with Angled Force Components
Skills Developed:
Solving energy conservation problems with friction and inclined planes
Using energy diagrams and bar charts
Calculating instantaneous and average power
Key Concepts:
Conservation of Linear Momentum
1D and 2D collisions
Impulse and Change in Momentum
J=F⋅t=ΔpJ = F \cdot t = \Delta pJ=F⋅t=Δp
Elastic vs. Inelastic Collisions
Recoil and Explosion Problems
Skills Developed:
Vector diagrams for 2D momentum
Collision analysis (e.g., billiards, vehicle crashes)
Interpreting momentum conservation in real-world events
Key Concepts:
Centripetal Acceleration and Force
ac=v2ra_c = \frac{v^2}{r}ac=rv2, Fc=mv2rF_c = \frac{mv^2}{r}Fc=rmv2
Vertical Circles
Roller coaster loops
Tension at different points in a circle
Newton’s Law of Universal Gravitation
Satellite motion, orbital velocity: v=GMrv = \sqrt{\frac{GM}{r}}v=rGM
Skills Developed:
Applying gravity and circular motion to orbits
Calculating satellite periods and escape velocity
Analyzing centripetal forces in everyday scenarios
Key Concepts:
Angular Displacement, Velocity, Acceleration
Torque: τ=rFsinθ\tau = rF \sin \thetaτ=rFsinθ
Moment of Inertia
Rotational Kinetic Energy
Skills Developed:
Relating rotational quantities to linear analogs
Understanding seesaws and rotating bodies
Key Concepts:
Coulomb’s Law:
F=k∣q1q2∣r2F = k \frac{|q_1 q_2|}{r^2}F=kr2∣q1q2∣Electric Fields and Field Lines
Electric Potential Energy & Voltage
Point Charges and Superposition
Skills Developed:
Calculating electric force between charges
Drawing electric field patterns
Using electric potential to understand charge movement
Key Concepts:
Current, Voltage, Resistance
Ohm’s Law: V=IRV = IRV=IR
Series and Parallel Circuits
Kirchhoff’s Rules (basic intro)
Power Dissipation: P=I2RP = I^2RP=I2R
Skills Developed:
Constructing and analyzing circuit diagrams
Measuring voltage, current, and resistance with multimeters
Applying circuit rules to find unknowns
Key Concepts:
Magnetic Fields and Poles
Right-Hand Rule for Force on Moving Charges
F=qvBsinθF = qvB \sin \thetaF=qvBsinθ
Electromagnetic Induction (Faraday’s Law - basic)
Generators and Motors (intro)
Skills Developed:
Visualizing and analyzing magnetic field patterns
Understanding magnetic force on wires and charges
Exploring practical uses: induction cooktops, transformers
Key Concepts:
Interference and Diffraction
Constructive and destructive
Standing Waves in Strings and Air Columns
Reflection and Refraction
Lenses and Mirrors
Lens equation: 1f=1do+1di\frac{1}{f} = \frac{1}{d_o} + \frac{1}{d_i}f1=do1+di1
Magnification: M=hiho=didoM = \frac{h_i}{h_o} = \frac{d_i}{d_o}M=hohi=dodi
Snell’s Law: n1sinθ1=n2sinθ2n_1 \sin \theta_1 = n_2 \sin \theta_2n1sinθ1=n2sinθ2
Skills Developed:
Ray diagrams and image characteristics
Analyzing lens/mirror setups in practical applications
Using geometry and algebra for optical calculations
Key Concepts:
Photoelectric Effect
Wave-Particle Duality
Basic Nuclear Physics
Fission, fusion, radiation types
Introduction to Quantum Ideas
Planck’s constant, energy quanta
Practices Across the Course:
Designing controlled experiments
Analyzing experimental uncertainty
Collecting real-time data (with sensors or apps)
Applying physics to real-world engineering problems
Example Labs:
Conservation of momentum with carts
Measuring acceleration with motion sensors
Circuit construction and analysis
Ray tracing with lenses and mirrors
Instructional Resources:
- Books: Holt Physics, Giancoli, Knight’s Algebra-Based Physics
- Tech Tools: PhET, Vernier sensors, circuit simulators
- Materials: Lenses, resistors, magnets, motion carts, inclined planes
Standards Alignment
Next Generation Science Standards (NGSS):
HS-PS2 (Motion and Forces)
HS-PS3 (Energy)
HS-PS4 (Waves and Information)
Math Integration: Trigonometry, algebraic modeling, graphing
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