Concepts indexed by Age |
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) |
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 |
14 years |
voltmeter |
consumer unit |
coal |
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 |
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 |
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 |