3 B S c i e n t i f i c ® E x p e r i m e n t s
C O N T E N T S
Mechanics
Measurement procedures
Sphereometer (UE101010):
Determine the radius of curvature
of watch glasses .........................................4
Forces
Parallelogram of Forces (UE102030):
Experimental investigation of the
vector addition of forces ............................6
Static and Dynamic Friction (UE102050):
Measurement of friction forces ..................8
Translational motions
Free Fall (UE103030):
Determine the acceleration
due to gravity .......................................... 10
Inclined Launch (UE103040):
Plotting the “parabolic” trajectories
point by point ..........................................12
Kepler’s Second Law (UE103070):
Confirm the law of equal areas for
central force motions ...............................14
Rotational motions
Rotational Motion with Uniform
Acceleration (UE104010):
Confirm Newton’s equation of motion .... 16
Moment of Inertia (UE104020):
Determine the moment of inertia of
a horizontal rod with additional
weights attached ......................................18
Oscillations
Variable-g Pendulum (UE105021):
Measure the period of an oscillating
pendulum as a function of the effective
acceleration due to gravity ...................... 20
Coupled Oscillations (UE105060):
Record and evaluate oscillation of two
identical coupled pendulums .................. 22
Acoustics
Propagation of Sound in Solids
(UE107053):
Determine the speeds of sound
propagated by longitudinal and
transversal waves in solids .......................24
Heat
Thermal expansion
Anomaly of Water (UE201030):
Determine the temperature where
water reaches its maximum density ........ 30
Internal Energy
Increase by Mechanical Work (UE203030):
Increase of internal energy by
mechanical work ..................................... 32
Gas laws
Boyle’s Law (UE204010):
Measuring at room temperature
in air as an ideal gas ................................34
Real Gas and Critical Point (UE204030):
Quantitative analysis of a real gas and
determining its critical point ................... 36
Thermodynamic cycles
Stirling Motor (UE206010):
Operate a functional model of a
Stirling engine as a heat engine .............. 38
Electricity
Electrostatics
Electric Field in a Plate Capacitor
(UE301070):
Measure the electric field in a plate
capacitor using the electric field meter ... 40
Voltage on a Plate Capacitor (UE301080):
Measure the electrostatic voltage as
a function of the distance
between the plates .................................. 42
Charge transport and current
Wheatstone’s Bridge (UE302030):
Determine the value of
certain resistances ................................... 44
Electrolysis (UE302070):
Determine the Faraday constant ............. 46
Magnetic fields
Lorentz Force (UE303030):
Measure the force on a current-carrying
conductor in a magnetic field ..................48
Induction
Faraday’s Law of Induction (UE304010):
Generating a voltage pulse in a conducting
loop by the motion of a
permanent magnet ..................................50
Induction in a Moving Current-loop
(UE304020):
Measure the induced voltage in a
conductor made into a loop as it
moves through a magnetic field .............. 52
Waltenhofen’s Pendulum (UE304040):
Demonstrate and investigate how
an eddy-current brake works ...................54
Electromagnetic oscillations
and waves
Wave Optics with Microwaves (UE306030):
Demonstrate and investigate the
phenomena of interference, diffraction
and polarisation using microwaves ......... 56
Electron tubes
Diode (UE307010):
Record the characteristic for
a thermionic diode .................................. 58
Triode (UE307020):
Record the characteristics for
a thermionic triode ................................. 60
Debye Sears Effect (UE107055):
Determine the velocity of ultrasonic
waves in liquids ....................................... 26
Mechanics of Liquids and Gases
Surface Tension (UE108040):
Measure the surface tension by the
“break-away” method .............................. 28
