World · Chem/Phys
Physics and Math
Forces, fluids, circuits and optics, plus the estimating shortcuts test day rewards.
0 of 34 skills started0% mastered
Unit 1 · 5 skills
Motion and Forces
Kinematics, Newton's laws and torque.
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Kinematics
Projectile motion
Newton's laws
Friction and inclined planes
Torque and equilibrium
Unit boss
Unit 2 · 3 skills
Work and Energy
Energy in, energy out, energy conserved.
Locked
Work and power
Conservation of energy
Momentum and collisions
Unit boss
Unit 3 · 4 skills
Fluids
Pressure, buoyancy and flow, including in blood vessels.
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Density and pressure
Buoyancy
Continuity and Bernoulli
Fluids in the body
Unit boss
Unit 4 · 3 skills
Electrostatics
Charges, fields and potential.
Locked
Coulomb's law
Electric fields
Electric potential
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Unit 5 · 3 skills
Circuits
Resistors, capacitors and Ohm's law.
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Ohm's law
Series and parallel circuits
Capacitors
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Unit 6 · 2 skills
Magnetism
Fields and forces on moving charges.
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Magnetic fields
Force on moving charges
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Unit 7 · 3 skills
Waves and Sound
Frequency, decibels and the Doppler effect.
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Wave properties
Sound and decibels
The Doppler effect
Unit boss
Unit 8 · 4 skills
Light and Optics
Mirrors, lenses and the electromagnetic spectrum.
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The electromagnetic spectrum
Reflection and refraction
Lenses and mirrors
Interference and diffraction
Unit boss
Unit 9 · 3 skills
Atomic and Nuclear Physics
Decay, half-lives and the photoelectric effect.
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Radioactive decay
Half-life
The photoelectric effect
Unit boss
Unit 10 · 4 skills
Math Shortcuts
Logs, units and estimating without a calculator.
Locked
Units and dimensional analysis
Logarithms
Estimation and scientific notation
Vectors and trig
Unit boss
Final boss · Timed
Physics and Math final boss
Beat every unit boss in this world to unlock a timed mini-section.