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Heat and temperature
The electric and gravitational fields
Work and energy
Electricity and magnetism
Modern physics
Forces and pressure
Matter
Movement
Measure and scientific method
Waves
Optics
angular momentum
apparent gravity
artificial satellites
comets
Coulomb's law
electric current and power
electric field intensity I
electric field intensity II
electric potential and work
electric potential energy
equipotential surfaces
Escape velocity
Evolution of stars
fixed stars
free fall
free fall in air
gravitational potential energy
Kepler's laws
lines of force
lunar phases
mass and weight
Measurement of G
measuring g
Relative movement of the earth
rotation of the earth
solar eclipse
the earth's orbit
The Milky Way
the movement of electric charges
The planets
the principle of superposition I
the principle of superposition II
The shape of galaxies
The signs of the zodiac
The Solar System
The Solar System (II)
The solar system (theories)
the variable intensity of gravity
tides
The electric and gravitational fields