What are the four main types of precipitation that fall from clouds?

Thunder, lightning, rainbows, and storms

Evaporation, condensation, collection, and runoff

Weather and weather elements

Weather elements and weather instruments

Weather elements and their meanings

Units of measurement of weather elements and use of stevenson screen

WEATHER INSTRUMENTS • For the weather elements learnt, we use different instruments to measure and record them. • The instruments are: 1. A thermometer 2. A rain gauge 3. A wind vane 4. A cup anemometer 5. A hygrometer 6. A barometer 7. A Stevenson screen WEATHER INSTRUMENTS 1. Thermometer •It is used to measure temperature. •The unit of measurement is degrees Celcius (ᵒC). 2. Rain gauge •Is used to measure the amount of rainfall. •The unit of measurement is millimetres (mm). •In Zimbabwe more rains are experienced in summer. WEATHER INSTRUMENTS 3. Windvane •Used to determine the direction of the wind. •We always name the wind after the direction from which it blows. WEATHER INSTRUMENTS 4. Cup anemometer •It is used to measure wind speed. •It measures how quickly the set of cups turns around in a circle. •The unit of measurement is knots. 1 knot = 1.85km/hour WEATHER INSTRUMENTS 5. Barometer •It is used to measure atmospheric pressure. •Atmospheric pressure is the weight of the air on the earth. •If the pressure changes, it tells us that the weather is going to change. •High pressure means air is sinking and the weather will be clear. •Low pressure means the air is rising and there is a chance of rain. WEATHER INSTRUMENTS WEATHER INSTRUMENTS 6. Hygrometer •It is used to measure humidity. •Humidity is the amount of water vapour in the air

Weather and Climate: Basic Elements

Introduction to climate and weather, atmosphere, Tilt in earth’s axis and Earth-Sun relationship - Elements of climate-temperature, humidity, vapor pressure, precipitation, driving rain, sky conditions, solar radiations, wind and vegetation, climatic data and its measurement, methods of representing climatic data in the form of tables, graphics etc., five useful values - Introduction to Global climate, earth thermal balance, solar radiation-quality and quantity, spectrum of solar radiation, passage of radiation through atmosphere global wind pattern,

Create a quiz with the following questions and answersConvection is… The rising motion of warm air A large volume of air A boundary between two different air masses The weight of the Earth’s atmosphere over an area What are isobars? Storms with strong winds, heavy rains, lightning, and thunder Lines on a map to show high and low pressure The study of elevation This front is associated with thunderstorms, heavy rain, snow, and cooler temperatures. Warm front Stationary front Cold front Occluded front What is a barometer? A tool used to measure temperature An instrument used to measure wind speed An instrument used to measure humidity An instrument used to measure air pressure What is a tornado? Storms with strong winds, heavy rains, lightning, and thunder Large, rotating tropical weather systems A rapidly spinning column of air that has touched the ground What is topography? The study of elevation Lines on a map to show high and low pressure The condition of the atmosphere at a given place and time What are air masses? Large, rotating tropical weather systems The study of elevation A large volume of air with the same temperature What is transpiration? The process of a liquid’s surface changing into a gas The process of a gas changing into a liquid The movement of water through the soil The process of water vapor being released by plants. What is nitrification? The process bacteria use to convert nitrogen gas into ammonium ions The process of turning ammonium ions into nitrites and nitrates. The uptake of nitrates in the soil by the roots of plants. The process of turning nitrates into nitrogen gas Fun Fact: Carbon makes up ___ of your mass. 30% 18% 50% 6% What are the reactants of photosynthesis? Carbon dioxide and water Glucose and oxygen What are the reactants of cellular respiration? Carbon dioxide and water Glucose and oxygen What is a storm surge? Flooding caused by hurricanes Region of air where the air pressure is low Any product of the condensation of water vapor High pressure is… A region of air where the air pressure is greater than that of the surrounding area A region of air where the air pressure is lower than that of the surrounding area. Low pressure is… A region of air where the air pressure is greater than that of the surrounding area A region of air where the air pressure is lower than that of the surrounding area. What causes global winds? Photosynthesis The process carbon goes through Uneven heating of the Earth What can humans do to reduce carbon emissions? We can use renewable energy (ex. solar power) We can use non-renewable energy (ex. fossil fuels) Carbon can form stable bonds with many elements and and makes up the backbone of major macromolecules: carbohydrates, proteins, lipids, and ___ Nucliec acids Glucose Oxygen Nitrogen What weather is associated with low-pressure systems? Bad weather (ex. Cloudy weather) Good weather (ex. Sunny weather) What is fossilization? The burning of fossil fuels The process where fungi and bacteria decompose dead organisms Dead organisms form fossil fuels over thousands and millions of years What is the first step in the formation of tornadoes? Rising air from the ground pushes up on the swirling air and tips it over A large thunderstorm occurs in a cumulonimbus cloud The funnel grows longer and stretches towards the ground The funnel of swirling air begins to suck up more warm air from the ground What is the difference between thunderstorms and regular storms? Thunderstorms have thunder while regular storms don’t Regular storms have thunder while thunderstorms don’t There is no difference What are hurricanes? Rapidly spinning columns of air touch the ground Large, rotating tropical weather systems Storms with strong winds, heavy rains, lightning, and thunderstorms What is not a hurricane fact? They are the most powerful storms on earth They have an average wind speed of 120-180 km/h They lose their power when they travel over cooler waters or land Storm surges cause the most damages What is the difference between weather and climate? Weather is long-term while climate is short-term Climate is long-term while weather is short-term There is no difference

Importance of elements of weather Rainfall •Crops need water to germinate. •They need it to grow. •Water moves nutrients in plants and animals. •It dissolves nutrients. •It cools the plants. •Rainfall should not be too much nor too little Too much rainfall •Causes floods •Washes away crops •Causes crops to suffer from diseases •Causes harvested crops to take long to dry •Washes away the soil •Cause animals to be affected by diseases Too little rainfall •Causes crops to die. •Animals will not have water to drink. •There will be little water for irrigation. •There will be little food for animals.

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