Question 20 of 20beginner🔧 ApplyShort Answer2 marks

Look around your home or classroom. List any three objects that use energy and mention their source of energy. For example: Object; Fan → Energy Source: Electricity

Correct Answer

Three objects that use energy and their sources are:

  1. Electric bulb → Energy Source: Electricity

  2. Gas stove → Energy Source: Cooking gas (fuel)

  3. Torch → Energy Source: Battery

Other examples include: Refrigerator (electricity), Car (petrol/diesel), Solar calculator (Sun's energy).

Exercise: Let us reflect | Q: 6 | (Chapter: Page 19)
For More Understanding

Explanation

The chapter explains that energy comes from various sources like food, fuel, electricity, the Sun, wind, and water. Activity 5 in the chapter asks students to identify devices that run on electricity and what they require (light/sound/heat/movement/cooling).

Solution Steps

  1. Electric bulb uses electricity as its energy source

  2. Gas stove uses cooking gas (fuel) as its energy source

  3. Torch uses battery as its energy source

  4. Other examples include refrigerator (electricity), car (petrol/diesel), and solar calculator (Sun's energy)

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