DESCRIPTION :-
The electric calorimeters consists of:
•An electric calorimeter, double wall in aluminum coated withnickel with an electric resistor, internal dimensions 5.4 x 3.4 cmand external dimensions 7.0 x 4.5 cm;
•A mercury thermometer, -10°C to 110°C;
•A digital thermometer; Stirrer;•A digital voltmeter 19.99 VDC;
•A digital ammeter 19.99 ADC;
•A power supply, 1.5-12 AC/DC, 3 A;
•A rheostat, 10Ω/3.3A;
•A digital chronometer;
•An electric heater, 6-50 W;
•Connecting cord, 4 mm plug/socket, 50 cm length, red color (8pcs);
•Connecting cord, 4 mm plug/socket, 50 cm length, black color (8pcs);
•The manual and/or poster for the experiment demonstration of the calorimeter.
•Calorimeter is used to define the specific heat of liquids withelectric method.

DESCRIPTION :-
The communication vessel apparatus consists of:
•Four communicating Vessels (glass material) of different shapes and sizes, connected with one single horizontal tube, mounted on a wooden base with dimensions 23 cm x 10 cm x 2.2 cm, total height of 16 cm.
•The communicating vessel apparatus is used to demonstrate the experiment where the liquid level is the same in capillary tubes and does not depend on the size or shape of the vessel.

DESCRIPTION :- 
The device for studying the thermal conductivity consists of:
•Three metal rods of different materials with removable metal ring, 30 cm x 15 cm;
•Glass graduated beakers, 100 ml (5 pcs);
•Glass graduated beakers, 250 ml (5 pcs);
•Alcohol thermometers, -10° to 150°C (5 pcs);
•Thermometer holders, (5 pcs);
•An electric water heater;
•A digital chronometer;
•A pair of scissors;
•Copper cans (2 pcs);
•Graduated cylinders, 25 ml, 250 ml (4 pcs);
•Rubber rods (4 pcs);
•The manual and/or poster for the experiment demonstration.

DESCRIPTION :-
The kit for demonstrating the electricity and electric current consists of:
•A power supply 0-16 V DC, 5 V, 1 A DC with digital display(1 A);
•Flexible connecting cord, 4 mm plug/socket, 50 cm length, red color (5 pcs);
•Flexible connecting cord, 4 mm plug/socket, 25 cm length, red color (2 pcs);
•Flexible connecting cord, 4 mm plug/socket, 50 cm length, black color (5 pcs);
•Flexible connecting cord, 4 mm plug/socket, 25 cm length, black color (2 pcs);
•A npn-type transistor, 2N2222;
•A 5.1 V Zener diode;
•Silicon diodes, 1N4007 (2 pcs);
•Resistor, 1 kΩ;
•Resistor, 100 kΩ(3 pcs);
•A digital multimeter;
•A voltmeter, 0-10 V DC;
•An ammeter, 0-5 A DC;
•A circuit bread board with 4 mm sockets;
•A rheostat 22Ω/3.3 A;
•A metallic ruler, 50 cm long;
•A switch button;
•A universal clamp.

DESCRIPTION :-
The kit for demonstrating the electricity and electric current consists of:
•A power supply 0-16 V DC, 5 V, 1 A DC with digital display(1 A);
•Flexible connecting cord, 4 mm plug/socket, 50 cm length, red color (5 pcs);
•Flexible connecting cord, 4 mm plug/socket, 25 cm length, red color (2 pcs);
•Flexible connecting cord, 4 mm plug/socket, 50 cm length, black color (5 pcs);
•Flexible connecting cord, 4 mm plug/socket, 25 cm length, black color (2 pcs);
•A npn-type transistor, 2N2222;
•A 5.1 V Zener diode;
•Silicon diodes, 1N4007 (2 pcs);
•Resistor, 1 kΩ;
•Resistor, 100 kΩ(3 pcs);
•A digital multimeter;
•A voltmeter, 0-10 V DC;
•An ammeter, 0-5 A DC;
•A circuit bread board with 4 mm sockets;
•A rheostat 22Ω/3.3 A;
•A metallic ruler, 50 cm long;
•A switch button;
•A universal clamp.

DESCRIPTION :-
The magnetism kit consists of:
•An insulating base;
•A plate with insulating handles;
•Metallized polystyrene spheres (4 pcs);
•A polyethylene strip;
•Polyethylene plates (2 pcs);
•An aluminum can;
•A woolen rubber cloth;
•A roll of nylon thread;
•A gold lead electroscope with diameter of 20 cm and supports made of plastic material

DESCRIPTION :- 
The kit for studying changes in electrical resistance consists of:
•A power supply 2-14 V AC/DC, 6 A;
•A digital voltmeter;
•A digital ammeter;
•Pairs of conducting wires, 24 SWG(2 pcs);
•Pairs of conducting wires, 30 SWG(2 pcs);
•Pairs of conducting copper wires, 30 SWG (2 pcs);
•Pairs of conducting iron wires, 30 SWG (2 pcs);
•Connecting cord, 4 mm plug/socket, 100 cm length, red color( 4 pcs);
•Connecting cord, 4 mm plug/socket, 100 cm length, black color(4 pcs);
•Connecting cord, 4 mm plug/socket, 50 cm length, red color (4pcs);
•Connecting cord, 4 mm plug/socket, 50 cm length, black color(4 pcs);
•The manual and/or poster for the experiment demonstration.

DESCRIPTION :-
The kit for studying the connection of resistor in circuits in series and parallel consists of:
•Batteries 3-4.5 V ( 3 pcs);
•Battery holders ( 3 pcs);
•Light bulbs (3 pcs);
•Connecting cord, 4 mm plug/socket, 25 cm length, red color (6pcs);
•Connecting cord, 4 mm plug/socket, 25 cm length, blue color (6pcs);
•An electric switch 36V/0-3A DC;
•A rheostat 0-50Ω/1.5A;
•A magnetic board;
•The manual and/or poster for the experiment demonstration.