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the precipitation of water will be in ice form when temperature is below 0 c & snow is precipitation in ice form | the precipitation will be in snow form when the temperature is below 0c |
water is a kind of substance & water absorbs solar energy in the water cycle & if a substance absorbs solar energy then that substance will increase in temperature | water absorbing solar energy will increase in temperature |
water absorbing solar energy will increase in temperature & temperature is a measure of heat energy | water absorbing solar energy will increase in heat energy |
water is a kind of substance & evaporation means a substance changes from a liquid into a gas by increasing heat energy | evaporation of water is when water changes from a liquid into a gas by increasing heat energy |
water absorbing solar energy will increase in heat energy & evaporation of water is when water changes from a liquid into a gas by increasing heat energy | water absorbing solar energy will cause the evaporation of water |
water absorbing solar energy will cause the evaporation of water & the sun is a source of solar energy called sunlight | in the water cycle the sun has the role of causing evaporation |
water is a kind of substance & if a substance absorbs solar energy then that substance will increase in temperature & water absorbs solar energy in the water cycle | water absorbing solar energy will increase in temperature |
water absorbing solar energy will increase in temperature & temperature is a measure of heat energy | water absorbing solar energy will increase in heat energy |
water absorbing solar energy will increase in heat energy & evaporation means a substance changes from a liquid into a gas by increasing heat energy | water absorbing solar energy will change water into gas state |
water absorbing solar energy will change water into gas state & water is in the gas state , called water vapor | water absorbing solar energy will change water into water vapor |
water absorbing solar energy will change water into water vapor & sun radiation is similar to solar energy | water absorbing sun radiation will change water into water vapor |
the sun is the source of energy for physical cycles on earth & an example of a physical cycle is the water cycle | the sun is the source of energy for water cycle on earth |
the sun is the source of energy for water cycle on earth & precipitation is a stage in the water cycle process | the sun is the source of energy for evaporation in the water cycle on earth |
if a substance absorbs solar energy then that substance will increase in temperature & water absorbs solar energy in the water cycle & water is a kind of substance | water absorbing solar energy will increase in temperature |
water absorbing solar energy will increase in temperature & temperature is a measure of heat energy | water absorbing solar energy will increase in heat energy |
evaporation means a substance changes from a liquid into a gas by increasing heat energy & water is a kind of substance | evaporation of water is when water changes from a liquid into a gas by increasing heat energy |
water absorbing solar energy will increase in heat energy & evaporation of water is when water changes from a liquid into a gas by increasing heat energy | water absorbing solar energy will cause the evaporation of water |
water absorbing solar energy will cause the evaporation of water & the sun is a source of solar energy called sunlight | in the water cycle the sun has the role of causing evaporation |
an example of a physical cycle is the water cycle & the sun is the source of energy for physical cycles on earth | the sun is the source of energy for water cycle on earth |
the sun is the source of energy for water cycle on earth & evaporation is a stage in the water cycle process & precipitation is a stage in the water cycle process | the sun is the source of energy for evaporation and precipitation in the water cycle on earth |
the sun transfers light and heat energy from itself to the planets through sunlight & earth is a kind of planet | the sun transfer light and heat energy from itself to the earth through sunlight |
when one kind of energy changes into another kind of energy , the total amount of energy is constant & energy transformation means one kind of energy changes into another kind of energy | when energy transformation happens, the total amount of energy is constant |
when energy transformation happens, the total amount of energy is constant & energy transformation means energy conversion | when energy conversion happens, the total amount of energy is constant |
when an animal moves , chemical energy is converted to mechanical energy & a human is a kind of animal | when a human moves, chemical energy is converted to mechanical energy |
when a human moves, chemical energy is converted to mechanical energy & when one kind of energy changes into another kind of energy , the total amount of energy is constant & mechanical energy is a kind of energy & chemical energy is a kind of energy | when a human moves, the total amount of energy is constant |
a car engine started and converted gasoine into heat and sound energy & gasoline is a source of chemical energy | a car engine started and converted the chemical energy in gasoline into heat and sound energy |
a car engine started and converted the chemical energy in gasoline into heat and sound energy & sound is a kind of mechanical energy | a car engine usually converts chemical energy into mechanical energy and heat energy |
a car engine usually converts chemical energy into mechanical energy and heat energy & when one kind of energy changes into another kind of energy , the total amount of energy is constant | when the car engined started the total amound of energy is constant |
a gasoline engine is a kind of internal combustion engine & a gasoline engine is a part of gasoline lawn mower | an internal combustion engine is a part of gasoline lawn mower |
an internal combustion engine is a part of gasoline lawn mower & an internal combustion engine usually converts fuel / chemical energy into mechanical energy and heat energy through combustion | the gasoline lawn mower converts chemical energy into mechanical energy |
the encoders in the telephone converts sound energy into electrical energy & when a person speaks into a telephone, the sound energy is taken in by the encoder | when a person speaks into a telephone, the sound energy is converted into electrical energy by the encoder |
rotation is a kind of motion & an electric motor is a part of an electric fan for rotating the vanes in the fan | the electric motor in the fan causes the vanes in the fan to move |
the electric motor in the fan causes the vanes in the fan to move & an example of mechanical energy is an object in motion | the electric motor in the fan causes the vanes to have mechanical energy |
the electric motor in the fan causes the vanes to have mechanical energy & an electric motor converts electrical energy into mechanical energy | a fan converts electrical energy into mechanical energy |
battery is the source of electrical energy for battery-operated device & a flashlight is a kind of battery-operated device | battery is the source of electrical energy for a flashlight |
a flashlight is a kind of electrical device & electrical devices convert from electrical energy into other forms of energy | a flashlight converts electrical energy into other forms of energy |
a flashlight converts electrical energy into other forms of energy & light is a kind of energy & a kind of is similar to a form of & a flashlight emits light | a flashlight converts electrical energy into light energy |
battery is the source of electrical energy for a flashlight & a flashlight converts electrical energy into light energy | a flashlight converts electrical energy from the battery into light energy |
a flashlight converts electrical energy from the battery into light energy & batteries convert chemical energy to electrical energy | when a flashlight is used, the energy is changed from chemical energy into light energy |
electrical devices convert from electrical energy into other forms of energy & a flashlight is a kind of electrical device | a flashlight converts electrical energy into other forms of energy |
a flashlight converts electrical energy into other forms of energy & a flashlight emits light & a kind of is similar to a form of & light is a kind of energy | a flashlight converts electrical energy into light energy |
an electric motor is a part of an electric fan for rotating the vanes in the fan & rotation is a kind of motion | the electric motor in the fan causes the vanes in the fan to move |
the electric motor in the fan causes the vanes in the fan to move & an example of mechanical energy is an object in motion | the electric motor in the fan causes the vanes to have mechanical energy |
the electric motor in the fan causes the vanes to have mechanical energy & an electric motor converts electrical energy into mechanical energy | a fan converts electrical energy into mechanical energy |
a doorbell is a kind of electric device & closing an electric circuit causes an electrical device to function | an electric circuit causes a doorbell to function |
an electric circuit causes a doorbell to function & a doorbell converts electrical energy into sound energy | an electric circuit causes the doorbell to convert the electrical energy into sound energy |
photovoltaic cells can be used in handheld calculators & photovoltaic cells convert light energy into electricity / electrical energy | photovoltaic cells are used in handheld calculators to convert light energy into electricity |
electric devices require electrical energy to function & household appliances are a kind of electric device | household appliances require electrical energy to function |
household appliances require electrical energy to function & solar cells convert solar energy into electrical energy | the energy absorbed by solar cells will be used on powering household appliances |
a hurricane is a kind of heat engine & a heat engine converts heat energy into mechanical energy | a hurricane converts heat energy into mechanical energy |
a tree is a kind of plant & a redwood tree is a kind of tree & a giant redwood tree is a kind of redwood tree | a giant redwood tree is a kind of plant |
a giant redwood tree is a kind of plant & green plants perform photosynthesis to get food | the giant redwood tree would perform photosynthesis to get food |
the giant redwood tree would perform photosynthesis to get food & photosynthesis means green plants convert solar energy to food | the giant redwood tree performs photosynthesis to get food by converting solar energy to food |
the giant redwood tree performs photosynthesis to get food by converting solar energy to food & food is a kind of chemical energy | the giant redwood tree performs photosynthesis to get food by converting solar energy to chemical energy |
lighting a candle causes that candle to burn & burning is similar to combustion | lighting a candle causes the candle to combust |
lighting a candle causes the candle to combust & a candle is made of wax | lighting a candle causes the wax in candle to combust |
lighting a candle causes the wax in candle to combust & wax contains chemical energy & combustion means fire converts chemical energy into light energy and heat energy | combustion converts the chemical energy in wax into light and heat energy |
combustion converts the chemical energy in wax into light and heat energy & energy transformation means one kind of energy changes into another kind of energy | the energy transformation in wax is from chemical energy to light and heat energy |
fuel is a source of mechanical energy for cars to move & the car runs out of fuel | the car does not have a source of mechanical energy to move |
a car is moving on a level road & if one surface is moving on another surface then those surfaces are touching | the moving car and the road are touching on their surfaces |
if an object is not moving it does not have any motion to counter & friction acts to counter the motion of two objects when their surfaces are touching | friction acts to counter the motion of only moving objects when the surfaces of two objects are touching |
the moving car and the road are touching on their surfaces & friction acts to counter the motion of only moving objects when the surfaces of two objects are touching | friction will counter the motion of the moving car |
friction will counter the motion of the moving car & countering the motion of a moving object means decreasing the mechanical energy of the moving object | friction will decrease the mechanical energy of the moving car |
the car does not have a source of mechanical energy to move & friction will decrease the mechanical energy of the moving car | the car does not have a source of mechanical energy and friction will decrease the mechanical energy of the moving car |
the car does not have a source of mechanical energy and friction will decrease the mechanical energy of the moving car & if something is decreased and there is no source of that something to provide more of that something, then that something will decrease to 0 | the mechanical energy of the moving car will be decreased by friction to 0 |
the mechanical energy of the moving car will be decreased by friction to 0 & if an object has 0 mechanical energy, then the object will stop moving | the car will stop when the mechanical energy in it is decreased by friction to 0 |
sonar usually is used for locating objects underwater & sonar is used to find the location of an object by sound waves | sonar uses sound waves to locate objects underwater |
creating a simple circuit requires a wire / battery & the wire's ends were connected to a battery | the wire's ends were connected to a simple circuit |
the wire's ends were connected to a simple circuit & wire was looped several times around an iron nail | the wire is looped several times around an iron nail and is connected to a circuit |
the wire is looped several times around an iron nail and is connected to a circuit & a electromagnet is formed by attaching an iron nail wrapped in a copper wire to a circuit | an electromaget is formed when a wire is looped around an iron nail and is connceted to a circuit |
an electromaget is formed when a wire is looped around an iron nail and is connceted to a circuit & electromagnets generate magnetic fields | a magnetic field will be generated when a wire is looped around an iron nail and is connected to a circuit |
moving a coil of wire in the magnetic field generates electrical current & a metal loop is similar to a coil of wire | moving a metal loop in the magnetic field generates electrical current |
a battery converts chemical energy into electrical energy for powering electrical devices & a radio is a kind of electrical device | the battery converts chemical energy into electrical energy to power a radio |
a flashlight is a kind of battery-operated device & battery is the source of electrical energy for battery-operated device | battery is the source of electrical energy for a flashlight |
electrical devices convert from electrical energy into other forms of energy & a flashlight is a kind of electrical device | a flashlight converts electrical energy into other forms of energy |
a flashlight converts electrical energy into other forms of energy & a flashlight emits light & a kind of is similar to a form of & light is a kind of energy | a flashlight converts electrical energy into light energy |
battery is the source of electrical energy for a flashlight & a flashlight converts electrical energy into light energy | a flashlight converts electrical energy from the battery into light energy |
a flashlight converts electrical energy from the battery into light energy & batteries convert chemical energy to electrical energy | when a flashlight is used, the energy is changed from chemical energy into electrical energy and then into light energy |
a flashlight is a kind of battery-operated device & battery is the source of electrical energy for battery-operated device | battery is the source of electrical energy for a flashlight |
a flashlight is a kind of electrical device & electrical devices convert from electrical energy into other forms of energy | a flashlight converts electrical energy into other forms of energy |
a flashlight converts electrical energy into other forms of energy & a kind of is similar to a form of & a flashlight emits light & light is a kind of energy | a flashlight converts electrical energy into light energy |
battery is the source of electrical energy for a flashlight & a flashlight converts electrical energy into light energy | a flashlight converts electrical energy from the battery into light energy |
a flashlight converts electrical energy from the battery into light energy & batteries convert chemical energy to electrical energy | when a flashlight is used, the energy is changed from chemical energy into electrical energy and then into light energy |
a wind turbine converts wind energy into mechanical energy for a generator & a generator converts mechanical energy to electrical energy | a wind turbine converts wind energy into electrical energy by using mechanical energy |
hammering an object requires movement & a nail is a kind of object | hammering a nail requires movement |
hammering a nail requires movement & an example of mechanical energy is an object in motion | hammering a nail is an example of mechanical energy |
a light bulb is a kind of electrical device & an electrical device requires electricity to turn on | a light bulb requires electricity to turn on |
an electric circuit is a vehicle for moving electrical energy from the source to the electrical device & when a switch in a simple series circuit is closed , electricity will flow through the circuit | when a switch is closed, the electrical energy will flow from the source to the electrical device |
when a switch is closed, the electrical energy will flow from the source to the electrical device & a light bulb is a kind of electrical device | when a switched is closed, the electrical energy will flow to the light bulb |
when a switched is closed, the electrical energy will flow to the light bulb & electricity is a kind of electrical energy | when a switch is closed, the electricity will flow to the lightbulb |
a light bulb requires electricity to turn on & when a switch is closed, the electricity will flow to the lightbulb | when electricity flows to a light bulb , the light bulb will turn on / come on |
plastic is an electrical insulator & plastic tape is made of plastic | plastic tape is an electrical insulator |
plastic tape is an electrical insulator & an electrical insulator prevents the flow of electricity | plastic tape will prevent the flow of electricity |
light is a kind of energy & sound is a kind of energy & heat is a kind of energy | heat, light, and sound are all different forms of energy |
if something converts one kind of energy into other kinds of energy then that something originally stores that energy as the first kind of energy & a firecracker converts chemical energy into sound energy and light energy and heat energy | the firecracker stores chemical energy as its original energy |
gas is a kind of state of matter & liquid is a kind of state of matter & heat energy can change the state of matter | heat energy can change a substance from a liquid to a gas |
heat energy can change a substance from a liquid to a gas & water is a kind of substance | heat energy can change water from a liquid to a gas |
heat is a kind of heat energy & heat energy can change the state of matter | heat can change the state of matter |
heat can change the state of matter & liquid is a kind of state of matter & solid is a kind of state of matter | heat can change a substance from a solid to liquid |
heat can change a substance from a solid to liquid & melting means a substance changes from a solid into a liquid by increasing heat energy | heat can cause a solid substance to melt |