Cobra4 - The Universal Measurement System

for Scientific Instruction

There is a suitable Cobra 4 experiment for every topic - just choose the one you need:


Physics	Chemistry	Biology	Everyday phenomena	back to Cobra 4

Student experiments	TESS Physics
1.1 Mechanics
	1.1.2 Forces
	1	Weight
	2	Bending of a leaf spring
	1.1.5. Vibrations
	1	Coil spring pendulum
	1.1.6. Linear motion
1.2 Thermodynamics (Heat)
	1.2.1. Thermal equilibrium
	1	Thermal equilibrium
	1.2.2. Thermal expansion
	1.2.3. Transport of heat
	1	Thermal insulation
	1.2.4. Heat and internal energy
	1	Heating of water
	2	Heating of various liquids
	3	Specific heat capacity of water
	4	Mix temperatures and specific heat of a calorimeter
	5	Specific heat capacity of metals
	6	Temperature measurement using calorimetry
	7	Conversion of mechanical energy into internal energy
	1.2.5. Aggregate states
	1	Melting and freezing curves for sodium thiosulphate
	2	Evaporation
1.3. Electricity/Electronics
	1.3.1. Circuits
	1.3.2. Electrical resistance
	1	Ohm's law
	2	Current and resistance in a parallel circuit
	3	Current and resistance in a series circuit
	4	How resistance of wires depends on length and cross section
	5	Potentiometers
	1.3.3. Electrical power and work
	1	Electrical power and work
	1.3.4. Capacitors
	1	Charging and discharging of a capacitor
	1.3.5. Diodes
	1	Use of diodes as electrical valves
	2	Use of diodes as rectifiers
	1.3.6. Transistors
	1.3.7. Energy conversion
	1.3.8. Electrochemistry
	1	Electrolysis
	1.3.9. Electromagnetism
	1.3.10 Electric motors
	1	Permanent magnet DC motors
	2	Series-wound motors
	1.3.11 Electromagnetic induction
	1.3.12 Special components and circuits
	1	Bridge rectifiers

Poster Cobra4 Systems Summary