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The Drinking Bird
Students discover how the "drinking bird" functions. In this investigative lesson, students discover what makes the drinking bird drink by analyzing relative humidity, temperature, and barometric pressure.
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Relative Humidity of Your School
Students predict the location where the relative humidity the highest and lowest in and around their school. They use a sling psychrometer to measure the relative humidity of the various locations.
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Dripping Wet or Dry as a Bone?
Students use a sponge and water model to explore the concept of relative humidity and create a percent scale. They define humidity and saturation, build a simple humidity/saturation model, collect, predict and interpret data, and create...
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Food Safety Lab
Students use the scientific method to investigate the role of temperature in microbial growth. In this food preservation lesson, students set up an experiment with fruit in room temperature and in a refrigerator. They record the...
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Wet-Dry Bulb Hygrometers: Measuring Relative Humidity and Apparent Temperature
Students work in groups of 4 for the activity/activity part of this exercise. They know that clouds are formed by the condensation of water vapor, affect weather and climate. Also that global patterns of atmospheric movement influence...
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Using the Synoptic Code for the Prediction of Water
Students construct a thermoscreen for the experiment. For this earth science lesson, students make observations and interpret them using synoptic codes. They predict the weather based on gathered information.
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Weather Variables Lab
Students examine what happens when air temperature drops and gets closer to the dewpoint. They perform a lab activity which illustrates the effects on humidity, precipitation and barometric air pressure.
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Weather Instrument Use and Application
Eighth graders measure temperature, wind speed and pressure using Skymaster SM-28. For this earth science lesson, 8th graders collect data and record observations taken from outdoors. They explain why numerical values are different in...
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Condensation
Middle schoolers explain how water changes from vapor to liquid with a change in temperature by engaging in this experiment. They use a worksheet imbedded in this lesson to guide their inquiry.
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Global Water Cycle & Heat Flow
Students experiment to discover how different variables affect the water cycle. They do hat flow experiments and construct a computer heat flow model.
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Nature's Air Conditioner
Students observe the process of transpiration in leaves. They measure how much water a leaf gives off in a 24-hour period, calculate the volume, and answer discussion questions.