| No. | Island | Ocean | sq.miles |
| 01 | Greenland | Arctic | 840000 |
| 02 | New Guinea | Pacific | 347450 |
| 03 | Borneo | Pacific | 307000 |
| 04 | Baffin | Arctic | 236000 |
| 05 | Madagaskar | Indian | 227737 |
| 06 | Sumatra | Indian | 161102 |
Scientific Instruments 1. Aerometer : Instrument for measuring weight and density of air and gases. 2. Altimeter : Instrument used in aircraft to measure altitude. 3. Ammeter : Instrument used to measure electrical current flowing in a circuit. 4. Anemometer : Instrument to measure the force and velocity of wind. 5. Audiometer : Instrument to measure intensity of sound. 6. Barometer : Instrument used to measure the atmospheric pressure. 7. Calorimeter : Instrument used for measuring quantities of heat. 8. Cardiogram : A medical instrument for tracing heart movements. 9. Crescograph : Instrument for use in recording growth of plants. 10. Dynamo : Instrument for transforming mechanical energy into electrical ener...
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