sentences
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a wagon is a kind of vehicle
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rolling is a kind of motion
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sound can occur in an area
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loud means high in sound energy / sound intensity
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sound is a kind of energy
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a classroom is a kind of area
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if something heats, it will feel hot
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absorbing sunlight causes objects to heat
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if an object / something is in the sunlight then that object / that something will absorb solar energy
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a sidewalk is located outside
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a metal spoon is used to stir the soup
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if an object touches something then one is exposed to that something
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soup is a kind of liquid
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if heat is transferred to an object , then the object will get hot
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if a thermal conductor is exposed to a source of heat then that conductor will become hot / warm
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soup is a kind of substance
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a pan of soup is heated on a stove
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if a spoon is used to stir a liquid then that spoon is touching that liquid
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metal is a thermal / thermal energy conductor
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if something is heated on a stove, that thing will become hot
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a hot substance is a source of heat
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if an object / something is in the sunlight then that object / that something will absorb solar energy
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a glass of water is in the sunlight
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sunlight is a kind of light
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a glass is a kind of object
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absorbing sunlight causes objects to heat
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a glass contains water
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water is a kind of substance
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solar energy is a kind of light
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a sheet of construction paper is a kind of object
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black objects absorb the most amount of sunlight
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a sweater is a kind of article of clothing
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if an object is black then that object absorbs all visible light / heat
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an article of clothing is a kind of object
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as lightness in color of an object increases , the ability of that object to reflect light will increase
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blue is a kind of color
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there is a white t-shirt
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if an object reflects more sunlight, than the object is more likely to stay cool
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there is a dark blue t-shirt
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t-shirt is a kind of object
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white is light in color
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dark means dark in color
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a leaf is often green in color
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if an object reflects a light of a certain color then the object appears to be that color
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a leaf is a kind of object
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ionizing radiation is harmful to human skin
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ultraviolet radiation is ionizing
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electromagnetic radiation is arranged in the electromagnetic spectrum by wavelength / frequency
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light is a kind of electromagnetic radiation
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visible light is a kind of light
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light is a kind of electromagnetic wave
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visible light is a part of the electromagnetic spectrum
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visible light can be seen without using equipment
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a frequency of radient energy means a form of radient energy
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all ranges of frequencies of radiant energy is called electromagnetic spectrum
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a particle of light is a kind of object
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speed is a property of a wave or an object
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light is a kind of wave
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frequency is a property of a wave / a particle of light / an event
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a mirror reflects light
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a girl shines a flashlight on a mirror
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if an object reflects light toward the eye then that object can be seen
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a flashlight emits light
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white is a kind of color
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if an object is white then that object reflects all visible light
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a shirt is a kind of object
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reflection is when a wave bounces off a surface and travels in the opposite direction relative to the angle of incidence
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a mirror is a kind of reflective object
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light is a kind of wave
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when light hits a reflective object , that light bounces off that object
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absorbing sunlight causes objects to heat
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a shiny aluminum screen is placed on the car
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if an object does not absorb the sunlight, then the object can stay cool
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if something is outside during the day then that something will receive sunlight
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if light is reflected, then the light is not absorbed
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cars are parked outside during the day
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shiny things reflect light
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sunlight is a kind of light
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if something is required for something else then that something allows that something else
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seeing requires light
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a student can see the specimen through a microscope
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light is a kind of energy
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reflection is a kind of property
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reflection is when particles bounce off a surface
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reflection is when a wave bounces off a surface and travels in the opposite direction relative to the angle of incidence
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reflection is a property of light
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light reflecting off of an object causes that object to be visible to the observer
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if an object reflects more light then that object is more easily seen
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light reflecting off of an object causes that object to be visible to the observer
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a ballon has a shiny metallic appearance
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a balloon is a kind of object
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shiny objects reflect light
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more water droplets are present in the air after the rain
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light refracts when it passes through water droplets
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a rainbow is formed by refraction of light by splitting light into all different colors
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sunlight is a kind of light
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refracting light causes light to split into different colors
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refraction is when light bends
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the rainbow is made of all different colors in visible light
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refraction of light can split light into lights of different color
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