water cycle ppt pdf

Earth’s waters are Water vapor gets cold and changes back to a liquid. As the clouds cool the water vapor condenses into water drops. Afterwards ask the children to draw diagrams of the water cycle. Many animals pull carbon from water to use in shells, etc. The Water Cycle • Earth's water is always in movement on, above, and below the surface of the Earth. Water never leaves the Earth. The water cycle is crucial to the existence of life on our planet. • Since the water cycle is truly a "cycle," there is no beginning or end. 97% of the water on Earth is salt water and about 3% of the Earth’s water is fresh. The vapor rises into the air and collects in clouds. o Water vapor in the air gets cold and changes back into liquid water. 7 o When water is heated it changes into a gas. on the water cycle in a way that appeals to multiple senses. This is how clouds are formed. The human body, for example, is composed of about 70% water, and jellyfish are 95% water. It is vital for all life on Earth. Our bodies are made of 70% water. o This lesson takes place on the eighth day of the unit, so the goal of these ... • Create a visual PowerPoint presentation that will show the water cycle and its importance to different aspects of life on Earth. The same water that existed on the earth millions of years ago is still present today. Water participates in many important biochemical mechanisms, including photosynthesis, digestion and cellular respiration. Condensation Water vapor collects in clouds. Largest exchange of carbon in carbon cycle is the dissolving and vaporization of carbon dioxide between the atmosphere and ocean surface. The Water Cycle (PDF Diagram) Detailed Description The Water Cycle. About three-fourths of the Earth is covered in water. - Ask the students to name places they can find water and how they think it gets around the earth. models, constrained by data, to discretize the water cycle into local landscape units, link the units into continental networks (104 – 106 units), and estimate both the total (green + blue) and net (blue) water balance of each unit. Evaporation occurs when the sun heats upwater in rivers or lakes or the ocean and turnsit into vapor or steam. It is constantly being cycled through the atmosphere, ocean, and land. o Use a model to simulate the water cycle. 2% of the Earth’s water is frozen in The Water Cycle. This process, known as the water cycle, is driven by energy from the sun. - Experiments to help explain the water cycle: 1) Evaporation - Wet the two pieces of cloth and wring out the excess water. • Integrate human (grey) components of the water cycle. This is called evaporation. Water is everywhere. Water Evaporation Heat energy from the sun causes water in puddles, streams, rivers, seas or lakes to change from a liquid to a water vapor. THE WATER CYCLE Water is the most abundant substance in living things. The water cycle ppt 1. Prior Knowledge: • Basic familiarity with the water cycle as a diagram and introduction to the terms used to describe the various stages water goes through in a cycle. Oceans store carbon on ocean floor. Almost 75% of the earth’s surface is covered with water. The water vapor orsteam leaves the river, lake or ocean and goesinto the air.Stage 1-Evaporation 3. This is due to the water cycle. Earth's water is always in motion, and the natural water cycle, also known as the hydrologic cycle, describes the continuous movement of water on, above, and below the surface of the Earth. We also see condensation when water droplets form on the outside of our glass. - Go through Section 1 to explain the water cycle. It is also habitat for many species of plants, Condensation The change of water from vapor form to liquid form. The Water Cycle Lexile Level: 1070 A The water cycle is a complex process that gives us water to drink, lakes for our fish to swim, and water for our crops to grow. The Water CycleThe four(4) stages in the Water Cycle are: Evaporation Condensation Precipitation Collection 2.

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