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heat can cause a solid substance to melt & an ice cube is a kind of solid | heat can cause the ice cube to melt |
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 |
heat can cause a solid substance to melt & ice is a kind of solid | heat can cause ice to melt |
heat can cause ice to melt & a car engine is a source of heat | the heat from a car engine can cause ice to melt |
heat energy can change the state of matter & heat is a kind of heat energy | heat can change the state of matter |
heat can change the state of matter & solid is a kind of state of matter & liquid 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 |
heat can cause a solid substance to melt & ice is a kind of solid | heat can cause ice to melt |
heat can cause ice to melt & the sun is a source of radiation / heat called sunlight | the heat from the sunlight cause ice to melt |
an x ray is a kind of electromagnetic wave & electromagnetic energy travels as electromagnetic waves | x-rays are a kind of electromagnetic energy |
x-rays are a kind of electromagnetic energy & ultraviolet light is a kind of electromagnetic energy | x-rays and ultraviolet light are both electromagnetic energy |
a block is a kind of object & mechanical energy exerted by an object can be used to push or pull another object | mechanical energy exerted by an object can be used to push a block |
mechanical energy exerted by an object can be used to push a block & a person is a kind of object | a person can exert mechanical energy to push a block |
pedals are a kind of object & pedalling a bicycle requires moving the pedals in a circular motion & mechanical energy can cause objects to move | mechanical energy can be used to pedal a bicycle |
a vehicle is a kind of object & a wagon is a kind of vehicle | a wagon is a kind of object |
a wagon is a kind of object & rolling is a kind of motion | a wagon rolling is an example of an object in motion |
a wagon rolling is an example of an object in motion & an example of mechanical energy is an object in motion | a wagon rolling is an example of mechanical energy |
sound can occur in an area & a classroom is a kind of area | sound can occur in a classroom |
sound can occur in a classroom & loud means high in sound energy / sound intensity & sound is a kind of energy | the sound in a loud class room is an example of high sound energy |
if an object / something is in the sunlight then that object / that something will absorb solar energy & a sidewalk is located outside | a sidewalk located outside will absorb solar energy |
a sidewalk located outside will absorb solar energy & absorbing sunlight causes objects to heat | the sidewalk located outsie will heat |
the sidewalk located outsie will heat & if something heats, it will feel hot | the sidewalk located outside will feel hot |
if an object touches something then one is exposed to that something & if a spoon is used to stir a liquid then that spoon is touching that liquid | if a spoon is used to stir a liquid, then the spoon is exposed to the liquid |
if a spoon is used to stir a liquid, then the spoon is exposed to the liquid & soup is a kind of liquid | if a spoon is used to stir soup, the the spoon is exposed to the soup |
if a spoon is used to stir soup, the the spoon is exposed to the soup & a metal spoon is used to stir the soup | the metal spoon is exposed to the soup |
the metal spoon is exposed to the soup & metal is a thermal / thermal energy conductor | the metal spoon being exposed to the soup is an example of a thermal conductor being exposed to the soup |
a metal spoon is used to stir the soup0 & a pan of soup is heated on a stove | the pan of soup will become hot |
the pan of soup will become hot & a metal spoon is used to stir the soup1 & soup is a kind of substance | the pan of soup will become a source of heat |
the metal spoon being exposed to the soup is an example of a thermal conductor being exposed to the soup & the pan of soup will become a source of heat & if a thermal conductor is exposed to a source of heat then that conductor will become hot / warm | the metal spoon in the soup will become hot |
the metal spoon in the soup will become hot & if heat is transferred to an object , then the object will get hot | heat in the soup transferring to the metal spoon causes the spoon to become hot |
sunlight is a kind of light & solar energy is a kind of light | sunlight is a kind of solar energy |
sunlight is a kind of solar energy & absorbing sunlight causes objects to heat | absorbing solar energy causes objects to heat |
a glass is a kind of object & a glass contains water & water is a kind of substance | a glass of water is a kind of object |
a glass of water is a kind of object & if an object / something is in the sunlight then that object / that something will absorb solar energy & a glass of water is in the sunlight | the glass of water will absorb solar energy |
absorbing solar energy causes objects to heat & the glass of water will absorb solar energy | the glass of water will heat |
a sheet of construction paper is a kind of object & black objects absorb the most amount of sunlight | a black sheet of construction paper will absorb the most amount of sunlight |
a sweater is a kind of article of clothing & an article of clothing is a kind of object | a sweater is a kind of object |
a sweater is a kind of object & if an object is black then that object absorbs all visible light / heat | a black sweater will absorb all visible light |
blue is a kind of color & dark means dark in color | dark blue is dark in color |
dark blue is dark in color & as lightness in color of an object increases , the ability of that object to reflect light will increase & white is light in color | white colored object will reflect more light than the dark blue object |
white colored object will reflect more light than the dark blue object & there is a white t-shirt & there is a dark blue t-shirt & t-shirt is a kind of object | the white t-shirt will reflect more light than the dark blue t-shirt |
the white t-shirt will reflect more light than the dark blue t-shirt & if an object reflects more sunlight, than the object is more likely to stay cool | the white t-shirt is likely to be cooler than dark blue t-shirt |
a leaf is often green in color & a leaf is a kind of object | a leaf is a green object |
a leaf is a green object & if an object reflects a light of a certain color then the object appears to be that color | leaves reflect green color |
ionizing radiation is harmful to human skin & ultraviolet radiation is ionizing | ultraviolet radiation is harmful to human skin |
electromagnetic radiation is arranged in the electromagnetic spectrum by wavelength / frequency & light is a kind of electromagnetic radiation | light is arranged in the electromagnetic spectrum by wavelength and frequency |
visible light is a kind of light & light is a kind of electromagnetic wave | visible light is a kind of electromagnetic wave |
visible light is a part of the electromagnetic spectrum & visible light can be seen without using equipment | visible light is the part of electromagnetic spectrum that can be seen without using equipment |
a frequency of radient energy means a form of radient energy & all ranges of frequencies of radiant energy is called electromagnetic spectrum | all ranges of forms of radient energy is called the electromagnetic spectrum |
a particle of light is a kind of object & speed is a property of a wave or an object & light is a kind of wave | speed is a property of the light wave and a particle of light |
light is a kind of wave & frequency is a property of a wave / a particle of light / an event | frequency is a property of the light wave and a particle of light |
speed is a property of the light wave and a particle of light & frequency is a property of the light wave and a particle of light | speed and frequency can be used to describe the properties of a light wave and a particle of light |
a girl shines a flashlight on a mirror & a flashlight emits light | when a girl shines a flashlight on a mirror, light will shine on the mirror |
when a girl shines a flashlight on a mirror, light will shine on the mirror & a mirror reflects light | when a girl shines a flashlight on a mirror, the light will be reflected by the mirror |
when a girl shines a flashlight on a mirror, the light will be reflected by the mirror & if an object reflects light toward the eye then that object can be seen | if the mirror reflects light toward another girl's eye, then the other girl will see the light |
white is a kind of color & a shirt is a kind of object | a white shirt is white in color |
a white shirt is white in color & if an object is white then that object reflects all visible light | a white colored shirt will reflect all visible light |
light is a kind of wave & when light hits a reflective object , that light bounces off that object | when light wave hits a reflective object, the light wave bounces off that object |
when light wave hits a reflective object, the light wave bounces off that object & reflection is when a wave bounces off a surface and travels in the opposite direction relative to the angle of incidence | when light wave hits a reflective object, the light wave is reflected |
when light wave hits a reflective object, the light wave is reflected & a mirror is a kind of reflective object | when light wave hits a mirror, the light wave will be reflected |
absorbing sunlight causes objects to heat & if something is outside during the day then that something will receive sunlight | if something is outside during the day then that something will be heated by absorbing sunlight |
if something is outside during the day then that something will be heated by absorbing sunlight & cars are parked outside during the day | cars parked outside will be heated by absorbing sunlight |
cars parked outside will be heated by absorbing sunlight & sunlight is a kind of light | cars parked outside will be heated by absorbing light |
a shiny aluminum screen is placed on the car & shiny things reflect light | a shiny aluminum screen on a car will reflect light away from the car |
cars parked outside will be heated by absorbing light & a shiny aluminum screen on a car will reflect light away from the car & if light is reflected, then the light is not absorbed | cars with a shiny aluminum screen will reflect the sunlight and not absorb the sunlight |
cars with a shiny aluminum screen will reflect the sunlight and not absorb the sunlight & if an object does not absorb the sunlight, then the object can stay cool | cars with a shiny aluminum screen can stay cool by reflecting the sunlight |
seeing requires light & light is a kind of energy | seeing requires light energy |
seeing requires light energy & if something is required for something else then that something allows that something else | light energy allows things to be seen |
light energy allows things to be seen & a student can see the specimen through a microscope | the light energy allows the student to see the specimen through the microscope |
reflection is a kind of property & reflection is when particles bounce off a surface & reflection is when a wave bounces off a surface and travels in the opposite direction relative to the angle of incidence | both particles and waves have the property of reflection |
both particles and waves have the property of reflection & reflection is a property of light | light can be seen as both particles and waves |
light reflecting off of an object causes that object to be visible to the observer & if an object reflects more light then that object is more easily seen | the object will be seen easier if it reflects more light |
a ballon has a shiny metallic appearance & a balloon is a kind of object | a shiny metallic balloon is a kind of object |
a shiny metallic balloon is a kind of object & shiny objects reflect light | the shiny metallic balloon is an object that reflects light |
the shiny metallic balloon is an object that reflects light & light reflecting off of an object causes that object to be visible to the observer | the shiny metallic balloon is visible because it reflects light |
more water droplets are present in the air after the rain & light refracts when it passes through water droplets | light is more easily to be refracted after the rain |
light is more easily to be refracted after the rain & refracting light causes light to split into different colors | light is more easily to be split into different colors after the rain |
light is more easily to be split into different colors after the rain & a rainbow is formed by refraction of light by splitting light into all different colors | a rainbow is more easily to be formed after the rain through light refraction |
a rainbow is more easily to be formed after the rain through light refraction & sunlight is a kind of light | sunlight and rain can cause a rainbow |
refraction is when light bends & refraction of light can split light into lights of different color | refraction is when light bends and is split into lights of different color |
refraction is when light bends and is split into lights of different color & the rainbow is made of all different colors in visible light | a rainbow is formed by refraction of light by splitting light into all different colors |
a prism refracts light & refracting sunlight / light causes sunlight / light to split into different colors | a prism can refract light and split the light into different colors |
a prism can refract light and split the light into different colors & white light is made of all colors of visible light combined | a prism can refract white light and split the light into all colors of visible light |
a rainbow is formed by refraction of light by separating light / splitting light into all different colors & sunlight is made of all colors in the rainbow | the refraction of sunlight into all different colors forms a rainbow |
a light wave enters a denser medium & if a medium is denser , then the medium will be another medium | the light wave enters another densesr medium |
the light wave enters another densesr medium & refraction is when light passes from one medium to another medium | the light is refracted when it enters another denser medium |
a prism refracts light & a prism is made of glass | a glass prism refracts light |
scattering light decreases visibility & water droplets scatter light | water droplets scattering light decreases the visibility |
clouds are made of water vapor / rain droplets & fog is a kind of stratus cloud on the ground | fog is made of rain droplets |
fog is made of rain droplets & rain droplets are a kind of water droplets | fog is made of water droplets |
water droplets scattering light decreases the visibility & fog is made of water droplets | water droplets in the fog scattering light decreases the visibility |
x-rays can pass through some parts of the body & doctors sometimes need an image of inside the body to diagnose | x-rays can be used by the doctors to see inside of the body |
the medical industry uses medical technology & doctors belong to the medical industry | doctors use medical technology |
x-rays can be used by the doctors to see inside of the body & doctors use medical technology | x-rays are used in medical technology |
mechanical energy is used to move something by animals & joules j are an si unit used for measuring mechanical energy | the mechanical energy used to move something by animals is measured in joules |
a ball is a kind of object & rolling is a kind of motion | a ball rolling is an example of object in motion |
a ball rolling is an example of object in motion & an example of an object with kinetic energy is an object in motion | a ball rolling is an example of kinetic energy |
a ball is a kind of object & rolling is a kind of motion | a ball rolling is an example of an object moving |