🔬 ScienceGrade 3Lesson 34
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Create a Mini Weather Station

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Learning Objectives

  • 1Name four weather instruments and state what each one measures
  • 2Explain how to set up and read a simple weather station
  • 3Record daily weather data using the correct units
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Mini Lesson

A weather station is a collection of instruments used to observe and measure weather conditions. Scientists called meteorologists use weather stations to collect data and make forecasts. You can build your own mini weather station to observe daily changes in temperature, rainfall, wind, and air pressure.

Key Weather Instruments

  • Thermometer — measures air temperature in degrees Celsius (°C).
  • Rain gauge — measures the amount of rainfall in millimeters (mm).
  • Wind vane — shows the direction the wind is blowing from.
  • Anemometer — measures wind speed in km/h.
  • Barometer — measures air pressure; falling pressure often means rain is coming.

Setting Up Your Station

  1. Place your thermometer in the shade — direct sunlight gives a false reading.
  2. Set up your rain gauge on flat, open ground away from buildings.
  3. Mount your wind vane and anemometer in an open area.
  4. Record readings every day at the same time.
  5. Draw a table: Date | Temperature | Rainfall | Wind direction | Notes.
Weather InstrumentsFour weather instruments shown with their names and what they measure.Weather InstrumentsThermometermeasurestemperature (°C)Rain Gaugemeasuresrainfall (mm)Anemometermeasureswind speed (km/h)Barometermeasuresair pressure
Mini Weather Station LayoutA diagram showing how to arrange instruments in a mini weather station with a central pole.My Mini Weather StationThermometerin shadeRain Gaugeopen groundWind Vaneopen areaBarometerindoorsRecord readings at the same time each day!
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When you present your weather station, show your data table and explain what trend you noticed over the week — for example: "Temperature went up each day" or "It rained on three out of five days."

Vocabulary
meteorologist
a scientist who studies and forecasts weather
forecast
a prediction of future weather based on data
air pressure
the weight of the atmosphere pressing down on Earth
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