| Column A | Column B | ||
| A. | A molecule is composed of | i. | does not exist free in nature. |
| B. | Ice, water and water vapour | ii. | occupy space |
| C. | An atom | iii. | atoms. |
| D. | Gases | iv. | are the three states of water. |
| Column A | Column B | ||
| A. | A molecule is composed of | iii. | atoms.. |
| B. | Ice, water and water vapour | iv. | are the three states of water. |
| C. | An atom | i. | does not exist free in nature. |
| D. | Gases | ii. | occupy space |
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| Column A | Column B |
| (1) Length | a. kilogram |
| (2) Mass | b. cubic metre |
| (3) Area | c. metre |
| (4) Volume | d. square metre |
| Column A | Column B |
| 1. Work done | a. sound energy |
| 2. Burning of charcoal | b. solar energy into electrical energy |
| 3. Coiled spring in a watch | c. heat energy |
| 4. Vibrating bodies | d. force X displacement |
| 5. Solar cells | e. elastic potential energy |
| Column A | Column B |
| 1. A magnet in which its poles are close to each other. | (a) Magnetic line of force |
| 2. A closed continuous curve moving from north to south outside the magnet. | (b) Magnetic compass |
| 3. An area around magnet where its influence can be detected. | (c) Tracing compass |
| 4. A device used by sailors to find geographic direction. | (d) Horse-shoe magnet |
| (e) Magnetic field |
| Column A | Column B |
| (a) Needle | (1) class II lever |
| (b) Doorknob | (2) inclined plane |
| (c) Ramp | (3) wedge |
| (d) Lemon crusher | (4) Wheel and axle |
| Column A | Column B |
| a) Non contact force | 1) repel |
| b) Like poles | 2) kg |
| c) Contact force | 3) gravitational force |
| d) Mass | 4) force of friction |
| Column A | Column B |
| 1. A body having no light energy of its own. | (a) Non-luminous body |
| 2. A straight line path along which light energy travels. | (b) Ray of light |
| 3. A collection of rays originating from a point and travelling in different directions. | (c) Divergent beam of light |
| 4. Anything (material or non-material) through which light can pass. | (d) Medium |
| Column A | Column B |
| 1. Rolling friction | a. making grooved designs |
| 2. Static friction | b. regular oiling |
| 3. Reducing friction | c. a book placed on a table top |
| 4. Increasing friction | d. wheels of a car |
| Column A | Column B |
| A) Steel | 1) to store magnets |
| B) Soft iron | 2) temporary magnet |
| C) Use in electric bell | 3) permanent magnet |
| D) Magnetic keepers | 4) electromagnet |
| Column A | Column B |
| 1. A submultiple of gram. | (a) Sundial |
| 2. A time of ten years. | (b) Quintal |
| 3. A multiple of kilogram. | (c) Oscillation |
| 4. An ancient clock which works only on sunny days. | (d) Milligram |
| (e) Decade |
| Column A | Column B |
| 1. One ten-millionth (1/10000000) of the distance from the north pole to the Equator along the latitude passing through Paris. | (a) micrometre |
| 2. A unit which is acceptable to majority of people. | (b) kilometre |
| 3. A unit used for measuring very small distance such as diameter of atom. | (c) Length |
| 4. The distance between two points. | (d) Standard unit |
| (e) metre |