How to reduce friction ? in Friction – Class 8 Science Experiment

Chapter Name: Friction

Activity Name: How to reduce friction ? in Friction

Activity Description:

How to reduce friction ? in Friction - Class 8 Science Experiment

This experiment aims to demonstrate how friction can be reduced using different substances, such as water, coconut oil, and grease. The participants will use a spoon and observe the difference in friction when pulling it through different liquids.

Required Items:

  1. Spoon
  2. Water
  3. Coconut oil
  4. Grease

Step by Step Procedure:

  1. Take the spoon and hold its head (broader portion) in the left hand.
  2. Hold the mid-portion of the spoon with the right hand and attempt to pull it towards the other end of the spoon.
  3. Observe and note the level of difficulty in pulling the spoon due to friction.
  4. Dip your right hand fingers in water.
  5. Repeat the spoon-pulling process with the wet fingers and observe any changes in friction.
  6. Repeat the activity with other liquids like coconut oil and grease, noting the differences in friction.

Experiment Observations:

  1. Pulling the dry spoon will exhibit more friction, making it harder to move.
  2. Pulling the spoon with wet fingers will show reduced friction, making it easier to move.
  3. Trying the activity with other liquids will also show varying levels of friction reduction.


  1. Handle the spoon and liquids with care to avoid spills and accidents.
  2. If using slippery substances like oil or grease, be cautious about potential slip hazards.

Lesson Learnt from Experiment:

This experiment illustrates that friction can be reduced by introducing a lubricant (such as water or oil) between surfaces in contact. Lubricants create a slippery layer that allows objects to move more smoothly, reducing the resistance caused by friction. This property is particularly useful in certain situations, like designing grooves in shoe soles, which improve grip and enhance safety while walking on the floor.

However, it also highlights that friction can be advantageous in some cases, such as when we need to prevent slipping or sliding. Understanding how to control friction can help in designing better products and improving their functionality.

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