Lesson Outline Chapter 8 Unit 2 Follow the Water Lesson Outline Chapter 8 Unit 2
WHAT MAKES WATER DISAPPEAR? Heat energy from the Sun causes water particles to _________. move rapidly
WHAT MAKES WATER DISAPPEAR? The process in which water particles change from a liquid to a gas is called ________. evaporation
WHAT MAKES WATER DISAPPEAR? Water vapor rises because it is _________ than air. lighter
WHAT MAKES WATER DISAPPEAR? Water vapor is a(n) _______ gas. invisible
WHAT MAKES WATER DISAPPEAR? Water evaporates from Earth’s ________ and _________. land water surfaces
WHAT MAKES WATER DISAPPEAR? High in the atmosphere, water vapor particles move_________ because it is cold. slowly
WHAT MAKES WATER DISAPPEAR? These water vapor particles lose heat energy, slow down, and _______. condense
WHAT MAKES WATER DISAPPEAR? Tiny droplets of condensed water in the atmosphere form _________. clouds
WHAT MAKES WATER DISAPPEAR? When clouds grow heavy with water droplets, ________ causes them to fall to the ground. gravity
WHAT IS PRECIPITATION? Rain, snow, hail, and sleet are forms of _________. precipitation
WHAT IS PRECIPITATION? The form in which precipitation falls depends on_______________. temperature
WHAT IS PRECIPITATION? Most precipitation falls into the _________. oceans
Some water soaks into the ground as__________ or __________. WHAT IS PRECIPITATION? Some water soaks into the ground as__________ or __________. soil water groundwater
WHAT IS PRECIPITATION? Cold temperatures cause water to release heat energy, or lose heat, and the moving particles in water to slow down and________. freeze
WHAT IS PRECIPITATION? Warm temperatures cause water particles to absorb heat energy, causing ice and snow to________. melt
HOW DOES WATER TRAVEL? Water continually _______ from place to place. moves
HOW DOES WATER TRAVEL? The never-ending movement of water through evaporation, condensation, and precipitation is called the ________. water cycle
HOW DOES WATER TRAVEL? In Earth’s water cycle, the ___________ causes evaporation. Sun’s energy
HOW DOES WATER TRAVEL? The oceans never overflow because water _______ from them. evaporates
HOW DOES WATER TRAVEL? Heat is released during __________. condensation
melting or evaporation HOW DOES WATER TRAVEL? Heat is absorbed during ________. melting or evaporation
HOW DOES WATER TRAVEL? The source of energy for Earth’s water cycle is the ________. Sun
WHAT KINDS OF PRECIPITATION DO YOU GET? Snow is made up of small ________, clear and shiny particles of frozen water. crystals
WHAT KINDS OF PRECIPITATION DO YOU GET? Water vapor in the atmosphere freezes at ________. 0 C or 32 F
WHAT KINDS OF PRECIPITATION DO YOU GET? Falling pieces of ice that are 5 millimeters of larger are called ________. hail
WHAT KINDS OF PRECIPITATION DO YOU GET? When rain falls through layers of cold air, the raindrops freeze to form ________. sleet