sentences stringlengths 9 187 | label int64 0 1 |
|---|---|
a prism refracts light | 1 |
white light is made of all colors of visible light combined | 1 |
refracting sunlight / light causes sunlight / light to split into different colors | 1 |
a rainbow is formed by refraction of light by separating light / splitting light into all different colors | 1 |
sunlight is made of all colors in the rainbow | 1 |
a light wave enters a denser medium | 1 |
refraction is when light passes from one medium to another medium | 1 |
if a medium is denser , then the medium will be another medium | 1 |
a prism refracts light | 1 |
a prism is made of glass | 1 |
rain droplets are a kind of water droplets | 1 |
scattering light decreases visibility | 1 |
clouds are made of water vapor / rain droplets | 1 |
water droplets scatter light | 1 |
fog is a kind of stratus cloud on the ground | 1 |
x-rays can pass through some parts of the body | 1 |
the medical industry uses medical technology | 1 |
doctors sometimes need an image of inside the body to diagnose | 1 |
doctors belong to the medical industry | 1 |
mechanical energy is used to move something by animals | 1 |
joules j are an si unit used for measuring mechanical energy | 1 |
an example of an object with kinetic energy is an object in motion | 1 |
a ball is a kind of object | 1 |
rolling is a kind of motion | 1 |
down the hill is a kind of direction | 1 |
a metal ball is a kind of ball | 1 |
a ball is a kind of object | 1 |
rolling is a kind of motion | 1 |
moving changes potential energy into kinetic energy and heat energy | 1 |
potential energy of an object is determined by the mass and the height of the object | 1 |
a roller coaster is a kind of object | 1 |
the height of a roller coaster car is known | 1 |
a soccer ball is going upward after being kicked | 1 |
as the altitude of an object increases , the potential energy of the object will increase | 1 |
going upwards means increasing the altitude | 1 |
a ball is a kind of object | 1 |
a soccer ball is a kind of ball | 1 |
substances are made of molecules | 1 |
temperature is a measure of kinetic energy of molecules | 1 |
water is a kind of substance | 1 |
a guitar is a kind of musical instrument | 1 |
as matter vibrates harder / faster , the volume of the sound produced will increase | 1 |
a string is a kind of object made from matter | 1 |
as a string of a musical instrument is plucked harder , the pitch produced will not change | 1 |
as a string of a musical instrument is plucked harder , the string will vibrate harder / faster | 1 |
there is a sound wave with large amplitude | 1 |
as the amplitude of a sound wave increases , the amount of energy in that sound wave will increase | 1 |
there is a sound wave with small amplitude | 1 |
volume is a property of sound and includes ordered values of quiet / normal / loud | 1 |
as the amplitude of a sound wave increases , the volume of that sound wave will increase | 1 |
a canyon wall is a kind of surface | 1 |
echo is when sound reflects off of a surface | 1 |
a person speaking is a source of sound | 1 |
echo is when sound reflects off of a surface | 1 |
cave walls are a kind of surface | 1 |
vibrating matter can produce sound | 1 |
objects are made of matter | 1 |
a rubber band is a kind of object | 1 |
snapping a rubber band can cause the matter in the rubber band to vibrate | 1 |
a source of something emits / produces / generates / provides that something | 1 |
vibrations are a source of sound | 1 |
plucking a string can cause that string to vibrate | 1 |
a rubber band is a kind of object | 1 |
objects are made of matter | 1 |
vibrating matter can produce sound | 1 |
tapping two objects together causes the particles in those objects to vibrate | 1 |
a source of something produces that something | 1 |
vibrations are a source of sound | 1 |
glass is a kind of object | 1 |
a fork is a kind of object | 1 |
the molecules in the wood begin to vibrate from the force of the book | 1 |
molecules vibrating can cause sound | 1 |
sound is made of sound waves | 1 |
sound energy is transferred by vibrational waves | 1 |
a rattle is a kind of vibration | 1 |
a thunder has intense sound energy | 1 |
a window is a kind of object | 1 |
intense sound energy can move objects | 1 |
matter is made of particles | 1 |
air is a kind of matter | 1 |
vibration is a kind of motion | 1 |
sound requires matter to travel | 1 |
something requires motion to travel | 1 |
someone plays the flute | 1 |
vibrations are a source of sound | 1 |
if a flute is played, then the air in the flute will vibrate | 1 |
spreading around is similar to spreading in all directions | 1 |
sound wave is a kind of wave | 1 |
a wave is formed by the vibration of the source spreading around from the source | 1 |
sound requires matter to travel | 1 |
a vacuum has no matter in it | 1 |
blowing air into a whistle causes air to vibrate inside the whistle | 1 |
sound waves spread in all directions away from their source | 1 |
vibrations are a source of sound | 1 |
if the particles are farther away from each other, then the vibrations of particles will spread slower | 1 |
sound travels through vibrations of particles | 1 |
if the particles are closer to each other, then the vibrations of particles will travel faster | 1 |
particles in gas are the farthest away from each other among gas, liquid, and solid state of matter | 1 |
particles in solid are closest to each other among gas, liquid, and solid state of matter | 1 |
iron is a kind of solid | 1 |
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