Identifying types of motion in Motion and Time – Class 7 Science Experiment

Chapter Name: Motion and Time

Activity Name: Identifying types of motion in Motion and Time

Activity Description:

In this activity, we will observe various motions and categorize them as rectilinear, curvilinear, or both (rectilinear and curvilinear).

Required Items:

  1. Seconds hand of a watch
  2. Model train on tracks
  3. Tape recorder with a tape
  4. Car with a speedometer
  5. Bus on a hill station road
  6. Carrom board with coins
  7. Pin board with a ball
  8. A mango

Step by Step Procedure:

  1. Examine each of the given items separately.
  2. Observe their motion carefully.

Experiment Observations:

  • Now, let’s label the motions as rectilinear (R), curvilinear (C), or rectilinear and curvilinear (RC) based on our observations:
  • Seconds hand of a watch. ( C )
  • Movement of a train on tracks. ( R )
  • Movement of a tape in a tape recorder. ( R )
  • Movement of a needle in a speedometer of a car. ( C )
  • Movement of a bus on a hill station road. ( C )
  • Motion of coins on a carrom board. ( R )
  • Motion of the ball in a pin board. ( C )
  • Motion of a mango falling from a tree. ( C )


  1. Handle the items with care, especially the fragile ones like the tape recorder and the mango.
  2. Ensure a safe environment for conducting the activity.

Lesson Learnt from Experiment:

Through this experiment, we learned about different types of motion – rectilinear motion, which follows a straight path, and curvilinear motion, which follows a curved path. Some objects, like the seconds hand of a watch, can exhibit curvilinear motion as well as some rectilinear components. It’s important to keenly observe and understand the nature of motion for various objects in our daily lives.

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