Name: ___________ Science Chapter 5 Study Guide 1. Where’s most of the Earth’s water? Oceans 2. Where does salt come from? Rivers 3. Do all oceans have the same temperature? Explain. No, 4. Ocean water is what percent of the Earth’s water? 97% 5. The hydrosphere covers _____ of the Earth’s surface. 3/4 6. List all the oceans. Arctic, Southern, Indian, Atlantic, Pacific 7. All the oceans are a bit different. They vary by what three features? Salinity, Temperature, and Sea Level 8. Describe freshwater. Contains dissolved salts, starts as rain or snow, not spread evenly over the Earth, and is limited. 9. Freshwater can be extended by: ________ and ________. Conservation and Recycling 10.Explain WHY people need to conserve water. What are a three ways you can decrease the amount of water you use? 11.What provides the energy for the water cycle? Sun 12.Draw a picture of the water cycle and explain how water moves through it. 13.What is an aquifer? The layer of rock and soil that groundwater flows through. 14.Which part of California gets drinking water from aqueducts? Southern coast 15.Most rain in the U.S. starts as ______. Snow 16.Name the types of precipitation. Rain, freezing rain, sleet, snow, and hail. 17.What is a cloud made of? Water droplets and ice crystals 18.Clouds bring precipitation to ________. All parts of the Earth. 19.Clouds form by: Air pressure, water droplets, OR ice crystals and air temperature. 20.What type of precipitation occurs when the temperature between the cloud and the ground is warmer than O celsius? Rain 21.What causes most clouds to form? Rising air 22.Describe: cirrus, stratus, fog and thunderstorm. pg. 193 23.List and describe the types of precipitation. pg. 195 24.Knowing that most of the Earths water comes from Oceans explain how this water is different from the water that people drink. Come up with two ways that they are different. Most of the Earth’s water is in Oceans. Ocean water is different from the water that people drink because it contains a lot of salt. Ocean water is also different from the water that people drink because it tastes bad and is not healthful for drinking.