| Column A | Column B |
| 1. iron and gold | a.changes from solid to liquid |
| 2. melting | b. pure substance |
| 3. intermolecular space | c. non-metals |
| 4. compound | d. the space between the molecules |
| e. metals |
| Column A | Column B |
| 1. iron and gold | e. metals |
| 2. melting | a.changes from solid to liquid |
| 3. intermolecular space | d. the space between the molecules |
| 4. compound | b. pure substance |
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| Column A | Column B |
| 1. Transparent object | i. Shadows |
| 2. Eclipses | ii. Glass |
| 3. Translucent object | iii. Fluorescent tube |
| 4. Luminous object | iv. Tracing paper |
| 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. Rolling friction | a. making grooved designs |
| 2. Static friction | b. regular oiling |
| 3. Reducing friction | c. a book placed on a tabletop |
| 4. Increasing Friction | d. wheels of a car |
| Column A | Column B |
| 1. A dark patch formed behind an opaque body, when it is placed in the path of light. | (a) Umbra |
| 2. A kind of shadow where no ray of light enters. | (b) Penumbra |
| 3. A kind of shadow partially illuminated by light. | (c) Shadow |
| 4. Characteristics of image formed by a pinhole camera. | (d) Lunar eclipse |
| (e) Real and inverted |
| 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 machine whose parts are frictionless as well as weightless. | (a) Simple machine |
| 2. In an device, output energy is less than input energy. | (b) Ideal machine |
| 3. The ratio between the output energy and the input energy. | (c) Machine |
| 4. The machine such as handle of water pump or a ramp. | (d) Principle of machine |
| (e) Efficiency of machine |
| Column A | Column B |
| (c) Mass of an apple | (1) Thermometer |
| (d) Period of time for study | (2) Beam balance |
| (e) Temperature of a body | (3) Graph paper |
| (f) Surface area of a leaf | (4) Clock |
| Column A | Column B |
| 1. Non-contact forces | a. perpendicular to surface |
| 2. Catapult | b. an act of push or pull |
| 3. Force | c. contact force |
| 4. Normal force | d. action-at-a-distance forces |
| Column A | Column B |
| (a) Length of a housing plot | (1) Clock |
| (b) Breadth of a book | (2) Beam balance |
| (c) Mass of an apple | (3) Metre ruler |
| (d) Period of time for study | (4) Measuring tape |
| Column A | Column B |
| (a) Solids | (i) Can flow in all directions |
| (b) Sublimation | (ii) The temperature at which a liquid changes into its gaseous state. |
| (c) Boiling point | (iii) Any number of free surfaces. |
| (d) Gases | (iv) Changes of state from solid to gas. |