sentences
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a thunderstorm is a kind of storm
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when a body of water receives more water than it can hold , a flood occurs
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a stream is a kind of moving body of water
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rain causes bodies of water to increase amount of water they contain
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a storm is a source of heavy rain
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snow is a kind of precipitation
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hail is a kind of precipitation
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sleet is a kind of precipitation
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rain is a kind of precipitation
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water vapor condensing in clouds causes rain
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rain is a kind of precipitation
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hail is a kind of precipitation
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sleet is a kind of precipitation
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precipitation is a stage in the water cycle process
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when water falls from the sky , that water usually returns to the soil
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precipitation is when water falls from the sky
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the temperature is below freezing
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precipitation is when water falls from the sky
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the freezing point of water is 32f / 0c / 273k
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freezing is usually used to refer the freezing point of water in real life
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snow is a kind of ice
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water is in the solid state , called ice , for temperatures between 0 / -459 / -273 and 273 / 32 / 0 k / f / c
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snow is a kind of precipitation
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the sun is a source of solar energy called sunlight
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water is a kind of substance
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water absorbs solar energy in the water cycle
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evaporation means a substance changes from a liquid into a gas by increasing heat energy
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temperature is a measure of heat energy
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if a substance absorbs solar energy then that substance will increase in temperature
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water is a kind of substance
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if a substance absorbs solar energy then that substance will increase in temperature
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sun radiation is similar to solar energy
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water absorbs solar energy in the water cycle
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water is in the gas state , called water vapor
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temperature is a measure of heat energy
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evaporation means a substance changes from a liquid into a gas by increasing heat energy
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the sun is the source of energy for physical cycles on earth
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an example of a physical cycle is the water cycle
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precipitation is a stage in the water cycle process
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if a substance absorbs solar energy then that substance will increase in temperature
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evaporation means a substance changes from a liquid into a gas by increasing heat energy
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water absorbs solar energy in the water cycle
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the sun is a source of solar energy called sunlight
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water is a kind of substance
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temperature is a measure of heat energy
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an example of a physical cycle is the water cycle
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the sun is the source of energy for physical cycles on earth
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evaporation is a stage in the water cycle process
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precipitation is a stage in the water cycle process
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the sun transfers light and heat energy from itself to the planets through sunlight
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earth is a kind of planet
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when one kind of energy changes into another kind of energy , the total amount of energy is constant
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energy transformation means energy conversion
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energy transformation means one kind of energy changes into another kind of energy
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when an animal moves , chemical energy is converted to mechanical energy
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when one kind of energy changes into another kind of energy , the total amount of energy is constant
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mechanical energy is a kind of energy
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a human is a kind of animal
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chemical energy is a kind of energy
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a car engine started and converted gasoine into heat and sound energy
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sound is a kind of mechanical energy
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gasoline is a source of chemical energy
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when one kind of energy changes into another kind of energy , the total amount of energy is constant
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an internal combustion engine usually converts fuel / chemical energy into mechanical energy and heat energy through combustion
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a gasoline engine is a kind of internal combustion engine
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a gasoline engine is a part of gasoline lawn mower
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the encoders in the telephone converts sound energy into electrical energy
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when a person speaks into a telephone, the sound energy is taken in by the encoder
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rotation is a kind of motion
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an example of mechanical energy is an object in motion
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an electric motor converts electrical energy into mechanical energy
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an electric motor is a part of an electric fan for rotating the vanes in the fan
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a flashlight is a kind of electrical device
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light is a kind of energy
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electrical devices convert from electrical energy into other forms of energy
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battery is the source of electrical energy for battery-operated device
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a kind of is similar to a form of
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a flashlight emits light
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batteries convert chemical energy to electrical energy
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a flashlight is a kind of battery-operated device
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a flashlight emits light
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electrical devices convert from electrical energy into other forms of energy
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a kind of is similar to a form of
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a flashlight is a kind of electrical device
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light is a kind of energy
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an electric motor converts electrical energy into mechanical energy
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an example of mechanical energy is an object in motion
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an electric motor is a part of an electric fan for rotating the vanes in the fan
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rotation is a kind of motion
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a doorbell is a kind of electric device
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closing an electric circuit causes an electrical device to function
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a doorbell converts electrical energy into sound energy
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photovoltaic cells can be used in handheld calculators
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photovoltaic cells convert light energy into electricity / electrical energy
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electric devices require electrical energy to function
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solar cells convert solar energy into electrical energy
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household appliances are a kind of electric device
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a hurricane is a kind of heat engine
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a heat engine converts heat energy into mechanical energy
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a tree is a kind of plant
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