|
WORKING
MODELS AND BIOLOGICAL SPECIMENS ON DISPLAY
Items and brief description
|
| 1.
Vibrating strips |
Frequency
of a strip depends on its length. Resonance phenomena illustration. |
| 2.
Resonance |
The
transfer of energy between resonating bodies. Demonstration
using simple pendulum. |
| 3.
Xylophone |
The frequency produced in an air column depends on its length.
|
| 4. Transfer
and conservation of momentum |
A
set of colliding bodies explain the transfer and conservation
of momentum. |
| 5.
Bernoulli's' principle |
Lift
of aeroplane in air . |
| 6.
Simple harmonic motion |
The
rotation of circular discs produces simple harmonic motion
of the rods. |
| 7.
Longitudinal wave motion |
A
stretched spring demonstrating the progression of a longitudinal
wave motion. |
| 8.
Principle of gears |
How
the speed and direction of rotation changes in machines?
Illustration. |
| 9.
Telescope |
To
see distant objects. |
| 10.
Energy stored in a spring |
A
jumping spring and a toy car shows that energy can be stored
in a spring. |
| 11.
Centre of gravity |
A
set of models and toys which can be balanced just below
the centre of gravity. |
| 12.
Multiple reflection |
By
plane mirrors. |
| 13.
Steam engine |
A
mini working model of steam engine. |
| 14.
Newton's third law |
Demonstrations using models. |
| 15.
Stationary wave vibrations |
The
vibration of a stretched string. |
| 16.
Optical fibre communication |
The
communication using total internal reflection principle. |
| 17.
Microwave oven |
Microwave
produces heat energy. |
| 18.
Wind mill |
Model of wind mill to produce electricity. |
| 19.
D.C Motor |
Conversion
of electrical energy into mechanical energy. |
| 20.
Morse code |
To
send telegrams. |
| 21.
Electric bell |
Electrical
energy is converted into sound energy. |
| 22. Infra
red sensor |
Detection
of energy, by remote control. |
| 23.
Electromagnetic induction |
Electricity
is produced from magnetism. |
| 24.
Laser |
Ruby
laser model working explanations. |
| 25.
Conversion of energy |
Kinetic
to Potential and potential to kinetic. |
| 26.
Von-de-Graf Generator |
Static
electricity. |
| 27.
Dynamo |
Working model. |
| 28.
Earth's magnetic field |
Orientation
of earth's magnetic field. |
| 29.
Spectrometer |
The
optical spectrum view and reconstruction. |
| 30.
Newton's colour disc |
Combination
of colours form white colour. |
| 31.
Electric circuit kit |
For
doing basic experiments in Electricity and Electronics.
|
| 32.
DNA model |
DNA
model prototype. |
| 33.
Silk worm |
Life
history of silk worm. |
| 34.
Mosquito |
Life
history. |
| 35.
Frog |
Life
history. |
| 36.
Ascaris |
Human
intestinal parasite. |
| 37.
Star fish |
Power
of regeneration. |
| 38.
Cuttle fish |
Ink sac-spit against enemies. |
| 39.
Cobra |
A
poisonous snake . |
| 40.
Prawn |
An
arthropod with jointed body parts. |
| 41.
Viper |
Viviparous-give
birth to young ones. |
| 42.
Sargassam |
Aalgne.
|
| 43.
Still Models of Human organs |
Brain,
Eye, Ear, Kidney and Heart. |
| 44.
Human skeletal systems |
To
see the bones of human body. |
| 45.
Working model of human eye |
To explain eye defects, short sight and long sight. |
| 46.
Uricularia |
An
insect virus plant. |
