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Concepts indexed by Age |
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12 years |
![]() | changes of state |
![]() | changes in water |
![]() | model of the atom |
![]() | model of a solid |
![]() | model of a liquid |
![]() | from large to small |
![]() | attraction among masses (II) |
![]() | electric attraction |
![]() | attraction among masses (I) |
![]() | comets |
![]() | solar eclipse |
![]() | fixed stars |
![]() | Evolution of stars |
![]() | lunar phases |
![]() | Relative movement of the earth |
![]() | The planets |
![]() | rotation of the earth |
![]() | The signs of the zodiac |
![]() | The Solar System |
![]() | the earth's orbit |
![]() | The Milky Way |
![]() | density |
![]() | density (calculations) |
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13 years |
![]() | ammeter |
![]() | units of measurement |
![]() | voltage measurement |
![]() | The energy of material systems |
![]() | The changing earth |
![]() | Faraday's experiment |
![]() | electrical circuit (2) |
![]() | direct current |
![]() | electric current |
![]() | Ohm's law (2) |
![]() | Conservation of energy (II) |
![]() | transformation of energy |
![]() | electrical consumption |
![]() | RCCB |
![]() | fuses |
![]() | automatic switch |
![]() | the dangers of electricity |
![]() | data recording (I) |
![]() | light bulb |
![]() | extension cable |
![]() | conducting cable |
![]() | home-made battery |
![]() | AC electric generator |
![]() | switch |
![]() | electric motor |
![]() | batteries in parallel |
![]() | batteries in series |
![]() | electric battery |
![]() | electrical resistor |
![]() | biomass energy |
![]() | electrical energy |
![]() | mechanical energy |
![]() | nuclear energy |
![]() | chemical energy |
![]() | radiant energy |
![]() | thermal energy |
![]() | wind energy |
![]() | fossil fuels |
![]() | energy sources |
![]() | natural gas |
![]() | hydraulic energy |
![]() | tidal energy |
![]() | Nuclear power station |
![]() | petroleum |
![]() | renewable energy sources |
![]() | solar energy |
![]() | calculating speed (I) |
![]() | Calculating speed (II) |
![]() | Which moves faster? (I) |
![]() | speed or velocity? |
![]() | trajectory: what is it? |
![]() | trajectory / speed classification |
![]() | vectors: what are they? |
![]() | What is work? (II) |
![]() | What is energy? |
![]() | power (II) |
![]() | confirmation of hypotheses |
![]() | deductive method |
![]() | formulation of the problem |
![]() | experiment |
![]() | prior hypotheses |
![]() | inductive method |
![]() | analysis and interpretation, results |
![]() | observation |
![]() | data tables in UM |
![]() | tables and graphs in accelerated movements |
![]() | Ten to the power of.. |
![]() | matter causes gravity |
![]() | density (2) |
![]() | matter has inertia |
![]() | matter has mass |
![]() | mass has volume |
![]() | scales of observation |
![]() | direct measurements |
![]() | indirect measurements |
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14 years |
![]() | voltmeter |
![]() | consumer unit |
![]() | coal |
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15 years |
![]() | pressure and walls |
![]() | hydraulic press |
![]() | barometer |
![]() | hydraulic brakes |
![]() | the heating curve |
![]() | equilibrium between different states |
![]() | thermal equilibrium |
![]() | changes of state |
![]() | free fall in air |
![]() | free fall |
![]() | artificial satellites |
![]() | Pressure (what is it?) |
![]() | Archimedes's principle |
![]() | buoyancy |
![]() | equilibrium in liquids |
![]() | hydrostatic pressure I |
![]() | hydrostatic pressure II |
![]() | Pressure and depth |
![]() | conservation of energy (I) |
![]() | energy transfer (II) |
![]() | Specific heat |
![]() | latent heat |
![]() | the thermometer |
![]() | the mechanical equivalent of heat |
![]() | temperature scales |
![]() | heat |
![]() | Colour (what is it?) |
![]() | optical prism |
![]() | amplitude of vibration |
![]() | wavefront |
![]() | harmonic vibration |
![]() | tides |
![]() | types of lenses (flash) |
![]() | elements of a mirror |
![]() | nitid convex mirror |
![]() | concave mirror |
![]() | nitid concave mirror |
![]() | convex parabolic mirror |
![]() | parabolic mirrors |
![]() | image formation in concave mirrors |
![]() | image formation in mirrors |
![]() | mirror game I |
![]() | mirror game II |
![]() | types of mirrors |
![]() | three rays on a concave mirror |
![]() | model of a gas |
![]() | Photovoltaic cell |
![]() | telescope (elements) |
![]() | telescope (resolution range) |
![]() | telescope (optics) |
![]() | telescope (simulation) |
![]() | The solar system (theories) |
![]() | Convex lens |
![]() | spherical lens I |
![]() | spherical lens II |
![]() | types of lenses |
![]() | Newton's second law |
![]() | how forces originate |
![]() | Newton's first law |
![]() | Newton's 2nd law |
![]() | Newton's third law |
![]() | the variable intensity of gravity |
![]() | mass and weight |
![]() | measuring g |
![]() | acceleration 1 |
![]() | Which moves faster? (II) |
![]() | angular and linear displacements |
![]() | radians: what are they? |
![]() | how many radians are there? |
![]() | radians per second |
![]() | rpm/rps |
![]() | Frame of reference |
![]() | trajectory depending on the RS (I) |
![]() | trajectory depending on the RS (II) |
![]() | displacement vector (I) |
![]() | angular velocity |
![]() | period and frequency |
![]() | effects produced by forces |
![]() | What is the newton? |
![]() | kinetic energy |
![]() | potential energy |
![]() | power |
![]() | what is work? |
![]() | forces do work |
![]() | work of friction |
![]() | double-slit interference |
![]() | UCM acceleration |
![]() | Uniform Circular Motion |
![]() | area under the v/t curve (UCM) |
![]() | area under the v/t curve (UAM) |
![]() | s/t and v/t graphs of a URM |
![]() | Uniform Rectilinear Motion |
![]() | Uniformly Accelerated Rectilinear Motion |
![]() | tables and graphs in UM |
![]() | decomposition of forces |
![]() | how to measure forces |
![]() | representation of forces |
![]() | How forces are added together |
![]() | forces of adhesion |
![]() | forces of cohesion |
![]() | surface tension I |
![]() | surface tension II |
![]() | diffraction |
![]() | waves in the sea |
![]() | longitudinal wave |
![]() | transverse wave |
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![]() |
16 years |
![]() | electrical circuit |
![]() | hydraulic circuit |
![]() | mixed circuit |
![]() | alternating current |
![]() | Ohm's law |
![]() | The generalization of Ohm's law |
![]() | conservation of energy |
![]() | Efficiency of a machine |
![]() | work-kinetic energy theorem |
![]() | electric power |
![]() | digital instruments |
![]() | absolute error |
![]() | relative error |
![]() | U.N.E. standards |
![]() | data gathering (II) |
![]() | sensitivity of an instrument |
![]() | International System of Units |
![]() | instrumental errors |
![]() | representative value |
![]() | connection of generators |
![]() | electrical resistance |
![]() | resistors in parallel |
![]() | resistors in series |
![]() | free fall |
![]() | meeting of moving objects |
![]() | ascent and descent of an object |
![]() | electric potential energy |
![]() | electric field intensity I |
![]() | electric field intensity II |
![]() | electric current and power |
![]() | Coulomb's law |
![]() | the movement of electric charges |
![]() | electric potential and work |
![]() | lines of force |
![]() | instantaneous acceleration |
![]() | acceleration 2 |
![]() | equation of motion |
![]() | tangential and normal components of acceleration (I) |
![]() | tangential and normal components of acceleration (II) |
![]() | moving frame of reference |
![]() | sun-earth-moon reference frame |
![]() | position vector and trajectory |
![]() | displacement vector (II) |
![]() | vectores: composition |
![]() | instantaneous velocity |
![]() | average velocity |
![]() | coefficient of dynamic friction |
![]() | coefficient of static friction |
![]() | What is friction? |
![]() | What is the normal force? |
![]() | graph representing work |
![]() | work done streching a spring |
![]() | work carried out by a pendulum |
![]() | the principle of superposition II |
![]() | Carnot's ideal engine |
![]() | the internal combustion engine |
![]() | s/t, v/t and a/t graphs of a UCM |
![]() | s/t, v/t and a/t graphs |
![]() | measuring the coefficient of friction |
![]() | the inclined plane |
![]() | significant figures |
![]() | dimensional equation |
![]() | conversion factors |
![]() | multiples and submultiples |
![]() | scientific notation |
![]() | order of magnitude |
![]() | speed of measurement |
![]() | rounding a measurement |
![]() | Joule's experiment |
![]() | perpetual motion |
![]() | the first law of thermodynamics |
![]() | the second law of thermodynamics |
![]() | physical magnitudes |
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![]() |
17 years |
![]() | oscilloscope |
![]() | field created by a coil I |
![]() | field created by a coil II |
![]() | field created by a current |
![]() | field created by a moving charge |
![]() | magnetic flux |
![]() | magnetic force on a charged particle (front view) |
![]() | magnetic force on a moving charge (side view) |
![]() | magnetic force on a current |
![]() | magnetic force on a moving charge |
![]() | magnets and currents |
![]() | mutual induction |
![]() | Ampere's law |
![]() | Faraday's law |
![]() | Faraday's law (quantitative) |
![]() | lines of force in the magnetic field |
![]() | natural magnetism |
![]() | RLC circuit |
![]() | harmonics |
![]() | Huygens's principle |
![]() | alternator |
![]() | self-inductance |
![]() | transformer |
![]() | The shape of galaxies |
![]() | Kepler's laws |
![]() | law of reflection |
![]() | law of refraction |
![]() | gravitational potential energy |
![]() | apparent gravity |
![]() | Measurement of G |
![]() | equipotential surfaces |
![]() | wave equation |
![]() | angular momentum |
![]() | the principle of superposition I |
![]() | Photovoltaic cell |
![]() | De Broglie's hypothesis |
![]() | quantum tunnelling |
![]() | Fluorescence |
![]() | Phosphorescence |
![]() | wave function |
![]() | black body (graph) |
![]() | the uncertainty principle |
![]() | measurement in quantum mechanics |
![]() | a classical particle in a potential well |
![]() | quantum potential well |
![]() | black body (radiation) |
![]() | SHM: acceleration |
![]() | SHM: phase difference |
![]() | SHM: fundamental magnitudes |
![]() | SHM / UCM |
![]() | SHM: position |
![]() | SHM: What is it? |
![]() | SHM: representation |
![]() | SHM: velocity |
![]() | The television |
![]() | the oscilloscope |
![]() | Crookes tube |
![]() | cathode ray tube |
![]() | speed and mass of the electrons |
![]() | absorption |
![]() | attenuation |
![]() | Doppler effect |
![]() | interference |
![]() | polarization |
![]() | reflection |
![]() | total reflection |
![]() | refraction |
![]() | Soddy's first law |
![]() | Soddy's second law |
![]() | Radioactivity |
![]() | Radioactive particles |
![]() | Radioactive constant |
![]() | Absorbed dose |
![]() | Equivalent dose |
![]() | Radioactive equilibrium |
![]() | Nuclear stability |
![]() | Nuclear fission |
![]() | Nuclear fusion |
![]() | alpha particles |
![]() | beta particles |
![]() | Half-life |
![]() | What is radioactivity? |
![]() | artificial radioactive series |
![]() | natural radioactive series |
![]() | mean lifetime |
![]() | contraction of space |
![]() | contraction of time |
![]() | Michelson-Morley experiment |
![]() | twins paradox |
![]() | relativistic paradox |
![]() | the magnetic problem |
![]() | Gamma radiation |
![]() | relativity (Galileo) |
![]() | inertial systems |
![]() | non-inertial reference frames |
![]() | interstellar travel |
![]() | standing waves |
![]() | Bohr's atom |
![]() | quantum atom |
![]() | Rutherford's atom |