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Rubber is a magnetic material.
Concept: undefined >> undefined
The evaporation of water takes place only in sunlight.
Concept: undefined >> undefined
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Which of the following parts of our body help us in movement?
- Bones
- Skin
- Muscles
- Organs
Choose the correct answer from the options below.
Concept: undefined >> undefined
Explain the process of making yarn from fibre.
Concept: undefined >> undefined
Rearrange the boxes given below to make a sentence that helps us understand opaque objects.
| O W S | A K E | O P A Q | U E O | B J E T | T S M |
| S H A D |
Concept: undefined >> undefined
Complete the drawing shown in Figure to indicate where the free ends of the two wires should be joined to make the bulb glow.
Concept: undefined >> undefined
What is the purpose of using an electric switch? Name some electrical gadgets that have switches built into them.
Concept: undefined >> undefined
Would the bulb glow after completing the circuit shown in Figure if instead of a safety pin we use an eraser?
Concept: undefined >> undefined
Would the bulb glow in the circuit shown in Figure?
Concept: undefined >> undefined
A magnet was brought from different directions towards a toy boat that has been floating in water in a tub. Affect observed in each case is stated in Column I. Possible reasons for the observed affects are mentioned in Column II.
Match the statements given in Column I with those in Column II.
| Column I | Column II |
| Boat gets attracted towards the magnet | Boat is fitted with a magnet with north pole towards its head |
| Boat is not affected by the magnet | Boat is fitted with a magnet with south pole towards its head |
| Boat moves towards the magnet if north pole of the magnet is brought near its head | Boat has a small magnet fixed along its length |
| Boat moves away from the magnet when north pole is brought near its head | Boat is made of magnetic material |
| Boat floats without changing its direction | Boat is made up non-magnetic material |
Concept: undefined >> undefined
The process of changing of water into its vapour is called ______.
Concept: undefined >> undefined
The process of changing water vapour into water is called ______.
Concept: undefined >> undefined
State for the following whether it is due to evaporation or condensation:
Water drops appear on the outer surface of a glass containing cold water.
Concept: undefined >> undefined
State for the following whether it is due to evaporation or condensation:
Steam rising from wet clothes while they are ironed.
Concept: undefined >> undefined
State for the following whether it is due to evaporation or condensation:
Fog appearing on a cold winter morning.
Concept: undefined >> undefined
State for the following whether it is due to evaporation or condensation:
Blackboard dries up after wiping it.
Concept: undefined >> undefined
State for the following whether it is due to evaporation or condensation:
Steam rising from a hot girdle when water is sprinkled on it.
Concept: undefined >> undefined
Water vapour is present in air only during the monsoon.
Concept: undefined >> undefined
Water evaporates into air from oceans, rivers, and lakes but not from the soil.
Concept: undefined >> undefined
The process of water changing into its vapour, is called evaporation.
Concept: undefined >> undefined
