Rise in temperature vs nature of substance in Heat – Class 10 Science Experiment

Chapter Name: Heat

Activity Name: Rise in temperature vs nature of substance in Heat

Activity Description:

Rise in temperature vs nature of substance in Heat - Class 10 Science Experiment

This experiment aims to investigate the relationship between the rise in temperature and the nature of substances, specifically water and oil.

Two identical boiling test tubes, one filled with 50g of water and the other with 50g of oil, are placed in a jar of hot water. Thermometers are inserted into each test tube, and their readings are observed every three minutes to track the temperature changes.

Required Items:

  1. Large jar
  2. Water
  3. Oil
  4. Two identical boiling test tubes with single-holed corks
  5. Thermometers
  6. Retort stand
  7. Clamp

Step by Step Procedure:

  1. Heat the large jar with water to 80 degrees Celsius.
  2. Fill one test tube with 50g of water and the other with 50g of oil, both at room temperature.
  3. Insert a thermometer into each test tube through the holes of the corks.
  4. Clamp both test tubes to a retort stand and place them in the jar of hot water.
  5. Record the readings of the thermometers every three minutes.
  6. Note down the observations in a notebook.

Experiment Observations:

The experiment aims to observe and compare the rate of temperature rise in water and oil when subjected to the same external heat source (hot water).

Precautions:

  1. Handle the hot water and test tubes with care to avoid accidents or burns.
  2. Ensure that the test tubes are identical in size and shape to maintain consistency.
  3. Use proper safety equipment while performing the experiment.

Lesson Learnt from Experiment:

The experiment demonstrates that the rate of rise in temperature varies based on the nature of the substance. In this case, the rate of temperature increase in oil is observed to be higher than that of water when both are subjected to the same amount of heat for the same duration.

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