The Water Planet Vocabulary Example For Students

The Water Planet Vocabulary Term Definition Water Uses Household purposes, agriculture, industry, transportation, and recreation. Irrigation The process of supplying water to areas of land to make them suitable for growing crops. Water Living Water is essential for living things to grow, reproduce, and carry out other important process. Photosynthesis Plants making food from using the energy in the sun, water, and carbon dioxide(CO2). Water distribution 97% salt water, 3 % fresh water. Water vapor Gaseous form of water. Groundwater Water that fills the cracks and spaces in underground soil and rock layers. Polar molecule A molecule that has electrically charged areas; for example: water. Surface Tension The tightness across the surface of water that is caused by the polar molecules pulling on each other. Capillary action Combined force of attraction among water molecules and with the molecules of surrounding materials. Solution A mixture that forms when one substance dissolves another substance. Solvent The substance that does the dissolving in a solution. Solute The substance that gets dissolved in a solution. Universal solvent Water is called this because it is a polar substance that can dissolve most substances. Hydrophobic Water fearing; non-polar molecules; does not like to mix with water; for example: oil. Hydrophilic Water loving; polar molecules; likes to mix with water; for example: sugar. Specific heat The amount of heat needed to increase the temperature of a certain mass of a substance by 1?C (water has a high specific heat; requires a lot of heat to warm it up). Water cycle The continuous process by which water moves through the living and nonliving parts of the environment; this process is driven by the suns energy. Transpiration The process by which plants release water vapor through their leaves. Cloud formation Form as water vapor cools and condenses on tiny dust particles in the air. Precipitation Water that falls to Earth as rain, snow, sleet, or hail. A global process The worldwide amounts of evaporation and precipitation balance each other out keeping the total amount of fresh water on Earth fairly constant.