Rise of temperature based on size of baker in Heat – Class 10 Science Experiment

Chapter Name: Heat

Activity Name: Rise of temperature based on size of baker in Heat

Activity Description:

The experiment aims to observe and compare the time required to raise the temperature of water in two different-sized beakers to a specific temperature. By using different quantities of water in the beakers, the experiment demonstrates how the amount of water affects the time needed to achieve a certain temperature increase.

Required Items:

  1. A small beaker (250 ml capacity)
  2. A larger beaker (1 liter capacity)
  3. Thermometer
  4. Water

Step by Step Procedure:

  1. Take 250 ml of water and pour it into the small beaker.
  2. Take 1 liter of water and pour it into the larger beaker.
  3. Measure and record the initial temperature of both water samples using a thermometer. Ensure that the initial temperatures of both beakers are the same.
  4. Heat both beakers, allowing the temperature of the water in each beaker to rise to 60°C.
  5. While heating, record the time taken for the temperature of the water to reach 60°C in each beaker.

Experiment Observations:

  • The initial temperatures of water in both beakers are the same.
  • The time taken to raise the temperature of water in the larger beaker to 60°C is longer than that for the smaller beaker.

Precautions:

  1. Handle the beakers with care, especially when they contain hot water.
  2. Use a proper heat source and be cautious while heating the water to prevent accidents.
  3. Take accurate temperature readings using the thermometer.

Lesson Learnt from Experiment:

The experiment demonstrates that it takes more time to raise the temperature of a larger quantity of water than a smaller quantity of water to achieve the same increase in temperature.

This observation highlights that the amount of water (quantity) affects the amount of heat energy required to raise its temperature, indicating that substances with larger masses need more heat energy to experience the same temperature change as substances with smaller masses.

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