Name: _______________________ Date: _____________ Period: ______ Weather Webquest The Water Cycle Go to http://www.mbgnet.net/fresh/cycle/index.htm 1. Define "water cycle". 2.What fraction of the earth's surface is covered in water? 3.What percentage of all the Earth's water is in a form that is useable to humans and land animals? Go to http://www.mbgnet.net/fresh/cycle/concepts.htm 1. Evaporation is the process where a liquid changes from it’s ___________ state to a ___________ state. 2. Why is evaporated water so clean? 3. Condensation occurs when a ___________ is changed into a ___________. 4. Condensation is the opposite of ___________. 5. When the ___________ and ___________ are right, the small droplets of water in clouds form larger droplets and precipitation occurs. Go to http://www.mbgnet.net/fresh/cycle/cycle.htm 1. Using the terms "evaporation", "condensation", and "precipitation", explain the water cycle in your own words. 2.What factor is most important in determining whether water is a solid, liquid, or gas? 3.Is the amount of water on Earth always changing or is it a constant amount? Cloud Types Go to http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/cld/cldtyp/home.rxml 1. What does the word "Cirrus" mean? 2.Are cirrus clouds low or high? 3.What are the large clouds that sometimes look like huge puffs of cotton? 4. What root word tells us that a cloud brings rain? 5.Which type of cloud usually covers the whole sky and brings gray days? Climate Go to http://www.infoplease.com/encyclopedia/weather/climate.html 1. Climate is the average condition of the atmosphere near the earths surface over a long period of time, taking into account ___________ , ___________ ,humidity, wind, ___________ pressure, and other phenomena. Go to http://www.infoplease.com/encyclopedia/weather/climate-primary-influence-climate.html 2.The major influence governing the climate of a region is its ___________ . Severe Weather Go to http://www.noaawatch.gov/themes/severe.php 1. Describe the difference between a tornado warning and a tornado watch: 2. The strongest tornadoes have rotating winds of more than _________mph. 3. Lightning can occur in which 4 areas? a. c. b. d. Go to http://www.weatherwizkids.com/weather-hurricane.htm 4. Where do hurricanes gather their heat and energy from? 5. How is the weather in the eye of a hurricane different than the weather in the surrounding areas? Weather Forecasting and Air Masses and Fronts Go to http://www.weatherwizkids.com/weather-forecasting.htm 1. What 3 things can be used in order to make an accurate weather forecast? 2. What types of weather are associated with a high pressure system and a low pressure system? 3. What is an air mass? 4. What is a front? 5. Draw the symbols for all four types of fronts: a. c. b. d.