Plotting Graph in Weather and Climate – Class 7 Science Experiment

Chapter Name: Weather and Climate

Activity Name: Plotting Graph in Weather and Climate

Activity Description:

In this experiment, you will collect weather data from newspapers or TV news for three cities or towns over a week. The data to be recorded includes the maximum and minimum temperature, rainfall, humidity, and wind pattern for each city or town. After collecting the maximum temperature figures for each day over the week, you will plot this data on a graph to visualize the temperature trend.

Required Items:

1. Newspaper or access to TV news for weather data
2. Pen/pencil and notebook
3. Graph paper or computer with graph plotting software

Step by Step Procedure:

1. Choose three cities or towns for which you will collect weather data.
2. Daily, for a week, record the following data for each city or town in a table:
   • Maximum temperature
   • Minimum temperature
   • Rainfall
   • Humidity
   • Wind pattern (e.g., direction and speed)
3. After the week is over, focus on the maximum temperature figures for each city or town.
4. Create a graph with the x-axis representing the days of the week and the y-axis representing the maximum temperature values.
5. Choose an appropriate scale for both axes so that the data points can be clearly plotted on the graph paper or software.
6. Plot the maximum temperature value for each city or town on the corresponding day of the week.
7. Connect the data points with a line for each city or town to visualize the temperature trend over the week.

Experiment Observations:

Your graph should now show the maximum temperature trend for each city or town over the course of the week. By plotting the data, you can visually identify any patterns or variations in temperature over the week for the selected locations.

Precautions:

1. Ensure that you accurately record the weather data for each city or town every day.
2. Use reliable sources like reputable newspapers or TV news channels for obtaining weather information.
3. Handle graphing tools carefully to avoid any unintended mistakes in plotting the data.

Lesson Learnt from Experiment:

This experiment helps you understand how to collect and analyze weather data for different locations and visualize temperature trends using graphs. You may observe similarities or differences in the temperature patterns of various cities or towns, and this can lead to discussions about the factors influencing weather and climate in different regions.

Additionally, this activity highlights the importance of data visualization in understanding weather patterns and trends.