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Transcript
What causes weather? The uneven heating of Earth’s ground and atmosphere SOL 4.6 What is meteorology? SOL 4.6 The study of the Earth’s air, especially the movements and events that cause weather SOL 4.6 Who studies meteorology? SOL 4.6 A meteorologist SOL 4.6 What is temperature? SOL 4.6 The measurement of the amount of heat energy in the atmosphere SOL 4.6 What tool do meteorologists use to measure air temperature? SOL 4.6 A thermometer SOL 4.6 What word do we use to describe the amount of water vapor that is in the air? SOL 4.6 © Henrico County Public Schools SOL 4.6 Humidity SOL 4.6 What tool do scientists use to measure the amount of water vapor in the air? A hygrometer SOL 4.6 What is a front? SOL 4.6 The boundary between air masses of different temperature and humidity SOL 4.6 What is an air mass? SOL 4.6 A very large body of air that has about the same temperature and humidity through it SOL 4.6 Describe a cold front. SOL 4.6 When cold air pushes into warm air causing the warm air to rise quickly; this front produces thunderstorms, bringing fair, cooler weather. SOL 4.6 Describe a warm front. SOL 4.6 When a warm air mass slides above a cold air mass producing light rain or snow, lasting for several days; when the front passes we will have warmer, more humid weather. SOL 4.6 SOL 4.6 What tool do scientists use to measure the amount of rainfall? SOL 4.6 © Henrico County Public Schools A rain gauge SOL 4.6 The weight of the air over a given spot is called ____. Air pressure SOL 4.6 What tool do scientists use to measure air pressure? SOL 4.6 A barometer SOL 4.6 You are in a ______ pressure area when warm air presses down on the Earth’s surface with less force. SOL 4.6 Low SOL 4.6 What type of weather do low pressure systems usually produce? SOL 4.6 Wet weather SOL 4.6 You are in a ____ pressure area when cold air pushes down harder on the Earth’s surface. SOL 4.6 What type of weather do high pressure systems usually bring? SOL 4.6 © Henrico County Public Schools SOL 4.6 High SOL 4.6 Pleasantly dry and cool weather SOL 4.6 What is the movement of air from high to low pressure areas? Wind SOL 4.6 What tool do scientists use to measure wind speed? SOL 4.6 Anemometer SOL 4.6 These clouds are fluffy and white with a flat bottom. They usually bring fair weather. SOL 4.6 Cumulus clouds SOL 4.6 This type of cloud is a smooth, gray cloud that covers the whole sky. It usually brings light rain and drizzle. SOL 4.6 Stratus cloud SOL 4.6 This type of cloud is feathery and made of tiny pieces of ice. It is associated with fair weather. SOL 4.6 This type of cloud looks like puffs of smoke. It usually brings thunderstorms. SOL 4.6 © Henrico County Public Schools SOL 4.6 Cirrus cloud SOL 4.6 Cumulonimbus cloud SOL 4.6 Name four different types of precipitation. Rain, snow, sleet, hail SOL 4.6 What type of severe storm forms over land? SOL 4.6 Tornadoes SOL 4.6 What type of severe storm forms over water? SOL 4.6 Hurricanes SOL 4.6 ___ is the measure of the amount of heat energy in the atmosphere. SOL 4.6 © Henrico County Public Schools SOL 4.6 Temperature SOL 4.6