Lab 5 – Weather and Climate Change Lab 5 - Demonstration 1: Modeling the Water Cycle POST LAB QUESTIONS 1. Which water cycle processes are represented in this model and by what components? Answer = Evaporation‚ condensation‚ sublimation‚ and precipitation. 2. Which processes are not represented? How could the model be altered to include these processes? Answer = Transpiration‚ surface run-off‚ infiltration‚ and percolation. With or by adding sand and possibly plants to the assignment
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The differences in the characteristics of states of matter are given in the following table. S. No. | Solid state | Liquid state | Gaseous state | 1. | Definite shape and volume. | No definite shape. Liquids attain the shape of the vessel in which they are kept. | Gases have neither a definite shape nor a definite volume. | 2. | Incompressible | Compressible to a small extent. | Highly compressible | 3. | There is little space between the particles of a solid. | These particles have a greater
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C hapter 1 MATTER IN IN OUR SURROUNDINGS As we look at our surroundings‚ we see a large variety of things with different shapes‚ sizes and textures. Everything in this universe is made up of material which scientists have named “matter”. The air we breathe‚ the food we eat‚ stones‚ clouds‚ stars‚ plants and animals‚ even a small drop of water or a particle of sand– each thing is matter. We can also see as we look around that all the things mentioned above occupy space‚ that is
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**The hydrologic cycle begins with the evaporation of water from the surface of the ocean. As moist air is lifted‚ it cools and water vapor condenses to form clouds. Moisture is transported around the globe until it returns to the surface as precipitation. Once the water reaches the ground‚ one of two processes may occur; 1) some of the water may evaporate back into the atmosphere or 2) the water may penetrate the surface and become groundwater. Groundwater either seeps its way to into the oceans
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MIXTURES‚ SOLUTIONS‚ SUSPENSIONS AND COLLOIDS MIXTURES A mixture is a combination made up of two or more different substances which are mixed but are not chemically bonded. There are also types of mixtures such as homogeneous mixtures and heterogeneous mixtures. SOLUTIONS A solution is defined as a homogeneous mixture composed of a solute; a substance dissolved into another substance known as a solvent. They can also be defined as groups of molecules that are mixed up completely in even
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(Sadava‚ 2010). In lab 3b‚ all of the plants in this experiment will lose a lot of water through transpiration‚ but those affected by the light and the fan will lose a larger amount of water. Then the hypothesis can be factors that increase evaporation will increase transpiration. Plants transpire actively in the light than in the dark‚ lights also speeds up transpiration by warming the leaf. ranspiration is the loss of water from a plant. Plants transpire water out of the stomata in their
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and which side of the leaf transpires the most. Background Information Plants put down roots into the soil to draw water and nutrients up into the stems and leaves. Some of this water is returned to the air by transpiration (when combined with evaporation‚ the total process is known as evapotranspiration). Transpiration rates vary widely depending on weather conditions‚ such as temperature‚ humidity‚ sunlight availability and intensity‚ precipitation‚ soil type and saturation‚ wind‚ land slope‚ and
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and CO2 in the process they allow the escape of H2O. This experiment was conducted to learn more about this process‚ and how certain common environmental factors affect it. Plant transpiration increases with the presence of wind due to increased evaporation from leaves. Results: The transpiration rate of the sunflower in the presence of wind was consistently greater than that without wind‚ also causing the mean to be higher‚ shown in Table 1. Also included in Table 1‚ the variability was less in
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by one simple process‚ evaporation. Evaporation is the conversion of liquid water directly into its vapor or gaseousstate. Through evaporation‚ water from the surface is transferred straight into the atmosphere. Worldwide‚ evaporation is usually seen as the moderator of weather. Evaporation controls cloud cover‚ surface temperature‚ humidity‚ and atmospheric pressure. All of these factors depend on the rate of evaporation and the differentiation in the rate of evaporation allows for the diverse
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knowledge to change the everyday processes? The process of evaporation happens much differently than scientists once thought. Every liquid eventually evaporates and often what remains is the solid particles which were once part of the solution. Evaporation is very important: “it shapes the climate of the planet‚ it affects the cost of car travel‚ and is one of the most important factors in controlling the temperature of the human body.” Evaporation happens when a liquid substance becomes a gas. When
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