Direction of wind in Weather and Climate – Class 7 Science Experiment

Chapter Name: Weather and Climate

Activity Name: Direction of wind in Weather and Climate

Activity Description:

Direction of wind in Weather and Climate - Class 7 Science Experiment
Direction of wind in Weather and Climate - Class 7 Science Experiment
Direction of wind in Weather and Climate - Class 7 Science Experiment

In this experiment, we will determine the direction of the wind using a homemade wind vane made from cardboard pieces and a thin nail or iron wire. The wind vane will have the shape of an arrow, and the needle or wire will be inserted through its center. The arrow will be mounted on a strong base so that it can freely move along the direction of the wind.

Required Items:

  1. Two cardboard pieces
  2. Scissors or cutting tool
  3. Glue or adhesive
  4. Thin needle or iron wire
  5. Strong base or pivot point for the wind vane

Step by Step Procedure:

  1. Take the two cardboard pieces and cut them into identical shapes of an arrow.
  2. Paste the two arrow shapes together to form the wind vane.
  3. Insert the thin needle or iron wire through the center of the wind vane.
  4. Make sure the needle or wire is long enough to be fixed on a strong base or pivot point, allowing the wind vane to move freely along the direction of the wind.
  5. Set up the wind vane outdoors in an open area where it can catch the wind without any obstructions.

Experiment Observations:

Observe the wind vane carefully. It will point in the direction from which the wind is blowing.

Precautions:

  1. Be cautious while handling scissors or cutting tools.
  2. Ensure that the needle or wire is securely fixed to the base to avoid any accidents due to strong winds.
  3. Perform the experiment in an open area away from any tall structures or obstacles that may interfere with the wind’s direction.

Lesson Learnt from Experiment:

The wind vane is a simple and effective tool for determining the direction of the wind. By observing its orientation, we can understand the prevailing wind direction, which is an essential aspect of weather and climate studies.

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