The document discusses the importance of water as a resource. It describes how people use water for agriculture, industry, transportation, recreation and at home. It then discusses the physical and chemical properties of water, including its structure as H2O, its states as solid, liquid and gas, its density, and its ability to act as a solvent. The document contains information about water usage, properties and importance through text, diagrams, activities and questions.
EXPERIMENTS WITH WATER ENVIRONMENTAL STUDIES CBSE-VBIOLOGY TEACHER
Density of Water?
The density of a material is defined as its mass per unit volume. It’s a measurement of how tightly matter is packed together. The density of a substance can be explained as the relationship between the mass of the substance and volume it takes up.
Water density changes with temperature and salinity. Density is measured as mass (g) per unit of volume (cm³). Water is densest at 3.98°C and is least dense at 0°C (freezing point).
EXPERIMENTS WITH WATER ENVIRONMENTAL STUDIES CBSE-VBIOLOGY TEACHER
Density of Water?
The density of a material is defined as its mass per unit volume. It’s a measurement of how tightly matter is packed together. The density of a substance can be explained as the relationship between the mass of the substance and volume it takes up.
Water density changes with temperature and salinity. Density is measured as mass (g) per unit of volume (cm³). Water is densest at 3.98°C and is least dense at 0°C (freezing point).
Gen Chem 1 COT 1 Water Properties Lesson planJennetteBelliot
Unique properties of water
Water is polar. ...
Water is an excellent solvent. ...
Water has high heat capacity. ...
Water has high heat of vaporization. ...
Water has cohesive and adhesive properties. ...
Water is less dense as a solid than as a liquid.
Gen Chem 1 COT 1 Water Properties Lesson planJennetteBelliot
Unique properties of water
Water is polar. ...
Water is an excellent solvent. ...
Water has high heat capacity. ...
Water has high heat of vaporization. ...
Water has cohesive and adhesive properties. ...
Water is less dense as a solid than as a liquid.
1. Measure Density of an irregular solid,liquids.
2. Discuss the concept of floatation based on relative densities of solid and liquid
3. Solve Numerical Problems based on formula of density
4. Compare Density of matter in three states, solid, liquid and gas
5. Make predictions using scientific knowledge and effectively communicating the same.
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6. Why is water so important to life? (p 19 -20) Type of Water % ml Earth 100% 1000 Salt Water 97% Ice 76 % of 3% Shallow Groundwater 12% of 3% Deep Groundwater 11 % of 3% Lakes and Rivers 0.34 % of 3% Water vapor 0.037% of 3%
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