PPT-Properties of Water!

Why Water is Special Why do we study water properties in biology class About 23 of the mass of a cell is water Most lifesustaining reactions occur in water solutions Polarity Polarity describes the distribution of electrons in a molecule. & The Water Cycle. Elizabeth Bilfinger. Nicole Sagullo. Context. third grade classroom. 16-24 students. large proportions of Hispanic and African American student. 5 school days. Objectives. Students will be able to identify stages of the water cycle (evaporation, condensation, melting and freezing).. Water. A water molecule (H. 2. O), is made up of . three. . atoms --- one . oxygen. and two . hydrogen. .. H. H. O. Water is Polar. In each water molecule, the . oxygen atom attracts more. than its "fair share" of . Matter. Matter is anything that has . mass. and takes up . space. .. See excerpt from Bill Bryson. Everything around you is made of matter.. Can matter change? If yes, how?. Properties of Matter. A . Get a worksheet by the BOX. Water (1). Water . is made up of . three. . atoms: . one oxygen and two hydrogen.. The formula for a . water . molecule is H. 2. O.. H. H. O. Water is . Polar (. 2-5. ). In . TEK 5.5 A – Students will classify matter based on physical properties…. Matter. Matter. is any living or non-living thing in the universe. All objects, things, plants, people, animals, etc are made up of matter. 1. Cohesive behavior.. 2. Ability to moderate temperature. 3. Expansion upon freezing.. 4. Versatility as a solvent. Nature of Water . . Polar Molecule Hydrogen Bonds. Water Properties - Facts and Figures About Water. Water is made up hydrogen and oxygen known as H2O.. Water is unique in that it is the only natural substance that is found in all three physical states—liquid, solid, and gas.. 2016. Chapter 3: Water. From Topic 2.2 . Essential idea. : Water is the medium of life.. Nature of . science: . Use . theories to explain natural phenomena—the theory that hydrogen bonds form between water molecules explains the properties of water. (2.2. Sections 2.1-2.4, 2.7-2.18. 1. Do Now. 1. How . do we rely or use water in our everyday life. ?. 2. Why . is water so valuable?. 2. Do Now. 1. Why were our results so scattered yesterday?. 2. When we repeat the penny water/isopropanol today, what would you do differently?. Water. A water molecule (H. 2. O), is made up of . three. . atoms --- one . oxygen. and two . hydrogen. .. H. H. O. Water is Polar. In each water molecule, the . oxygen atom attracts more. than its "fair share" of . Discuss the special properties of water that contribute to Earth's suitability as an environment for life: cohesive behavior, ability to moderate temperature, expansion upon freezing, and versatility as a solvent. . How Much Fresh Water Is on Earth?. 3%. Chemical Structure of Water. Water is composed of two atoms of Hydrogen (H) and one atom of Oxygen (O).. The chemical structure of water looks a lot like a famous Mouse- M-I-C…K-E-Y…M-O-U-S-E. The head being the O and the ears being the H.. ?. Water Cycle. What is a polar molecule?. Has . polar . bonds:. Water has polar covalent bonds. Oxygen is more electronegative than H. Electrons of covalent bonds spend more time closer to Oxygen than to H. Intoduction. Salinity and . Chlorinity. . Temperature and . themal. properties of sea water . Colligative. and other properties of sea water . Residence time of constituents in sea water. Sea ice .