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shape can be used to classify objects & a galaxy is a kind of celestial object -> galaxies can be <mask> by shape | classified |
shape can be used to classify objects & a galaxy is a kind of celestial object -> galaxies can be classified by <mask> | shape |
the sun is a kind of star & the earth revolves around the sun -> the <mask> revolves around a star | earth |
the sun is a kind of star & the earth revolves around the sun -> the earth <mask> around a star | revolves |
the sun is a kind of star & the earth revolves around the sun -> the earth revolves around a <mask> | star |
the moon orbits the earth & earth is a kind of planet -> the <mask> orbits a planet | moon |
the moon orbits the earth & earth is a kind of planet -> the moon <mask> a planet | orbits |
the moon orbits the earth & earth is a kind of planet -> the moon orbits a <mask> | planet |
the moon orbits a planet & revolving around means orbiting -> the <mask> revolves around a planet | moon |
the moon orbits a planet & revolving around means orbiting -> the moon <mask> around a planet | revolves |
the moon orbits a planet & revolving around means orbiting -> the moon revolves around a <mask> | planet |
the earth revolves around a star & the moon revolves around a planet -> the <mask> between the earth and the moon is that the moon revolves around a planet | difference |
the earth revolves around a star & the moon revolves around a planet -> the difference between the <mask> and the moon is that the moon revolves around a planet | earth |
the earth revolves around a star & the moon revolves around a planet -> the difference between the earth and the <mask> is that the moon revolves around a planet | moon |
the earth revolves around a star & the moon revolves around a planet -> the difference between the earth and the moon is that the <mask> revolves around a planet | moon |
the earth revolves around a star & the moon revolves around a planet -> the difference between the earth and the moon is that the moon <mask> around a planet | revolves |
the earth revolves around a star & the moon revolves around a planet -> the difference between the earth and the moon is that the moon revolves around a <mask> | planet |
the surface of the moon contains mountains & the surface of the earth contains mountains -> both the <mask> of the moon and the surface of the earth contain mountains | surface |
the surface of the moon contains mountains & the surface of the earth contains mountains -> both the surface of the <mask> and the surface of the earth contain mountains | moon |
the surface of the moon contains mountains & the surface of the earth contains mountains -> both the surface of the moon and the <mask> of the earth contain mountains | surface |
the surface of the moon contains mountains & the surface of the earth contains mountains -> both the surface of the moon and the surface of the <mask> contain mountains | earth |
the surface of the moon contains mountains & the surface of the earth contains mountains -> both the surface of the moon and the surface of the earth <mask> mountains | contain |
the surface of the moon contains mountains & the surface of the earth contains mountains -> both the surface of the moon and the surface of the earth contain <mask> | mountains |
the four planets closest to the sun are made of rock & a rock is usually a solid -> the <mask> planets closest to the sun are made of solids | four |
the four planets closest to the sun are made of rock & a rock is usually a solid -> the four <mask> closest to the sun are made of solids | planets |
the four planets closest to the sun are made of rock & a rock is usually a solid -> the four planets closest to the <mask> are made of solids | sun |
the four planets closest to the sun are made of rock & a rock is usually a solid -> the four planets closest to the sun are <mask> of solids | made |
the four planets closest to the sun are made of rock & a rock is usually a solid -> the four planets closest to the sun are made of <mask> | solids |
the four planets closest to the sun are made of solids & a solid is more dense than a gas & the four planets farthest from the sun are made of gas -> the <mask> planets closest to the sun are more dense than the four planets farthest from the sun | four |
the four planets closest to the sun are made of solids & a solid is more dense than a gas & the four planets farthest from the sun are made of gas -> the four <mask> closest to the sun are more dense than the four planets farthest from the sun | planets |
the four planets closest to the sun are made of solids & a solid is more dense than a gas & the four planets farthest from the sun are made of gas -> the four planets closest to the <mask> are more dense than the four planets farthest from the sun | sun |
the four planets closest to the sun are made of solids & a solid is more dense than a gas & the four planets farthest from the sun are made of gas -> the four planets closest to the sun are more dense than the <mask> planets farthest from the sun | four |
the four planets closest to the sun are made of solids & a solid is more dense than a gas & the four planets farthest from the sun are made of gas -> the four planets closest to the sun are more dense than the four <mask> farthest from the sun | planets |
the four planets closest to the sun are made of solids & a solid is more dense than a gas & the four planets farthest from the sun are made of gas -> the four planets closest to the sun are more dense than the four planets farthest from the <mask> | sun |
earth is a kind of planet & a planet is a kind of celestial object / celestial body -> <mask> is a kind of celestial object | earth |
earth is a kind of planet & a planet is a kind of celestial object / celestial body -> earth is a <mask> of celestial object | kind |
earth is a kind of planet & a planet is a kind of celestial object / celestial body -> earth is a kind of celestial <mask> | object |
earth is a kind of celestial object & earth is located in the milky way galaxy -> <mask> is a celestial object located in the milky way galaxy | earth |
earth is a kind of celestial object & earth is located in the milky way galaxy -> earth is a celestial <mask> located in the milky way galaxy | object |
earth is a kind of celestial object & earth is located in the milky way galaxy -> earth is a celestial object <mask> in the milky way galaxy | located |
earth is a kind of celestial object & earth is located in the milky way galaxy -> earth is a celestial object located in the milky <mask> galaxy | way |
earth is a kind of celestial object & earth is located in the milky way galaxy -> earth is a celestial object located in the milky way <mask> | galaxy |
the sun is a source of light energy called sunlight & the sun is a source of heat energy called sunlight -> the <mask> is a source of light and heat energy | sun |
the sun is a source of light energy called sunlight & the sun is a source of heat energy called sunlight -> the sun is a <mask> of light and heat energy | source |
the sun is a source of light energy called sunlight & the sun is a source of heat energy called sunlight -> the sun is a source of <mask> and heat energy | light |
the sun is a source of light energy called sunlight & the sun is a source of heat energy called sunlight -> the sun is a source of light and <mask> energy | heat |
the sun is a source of light energy called sunlight & the sun is a source of heat energy called sunlight -> the sun is a source of light and heat <mask> | energy |
the sun is a source of light and heat energy & a source of something emits / produces / generates / provides that something -> the <mask> produces light and heat energy | sun |
the sun is a source of light and heat energy & a source of something emits / produces / generates / provides that something -> the sun <mask> light and heat energy | produces |
the sun is a source of light and heat energy & a source of something emits / produces / generates / provides that something -> the sun produces <mask> and heat energy | light |
the sun is a source of light and heat energy & a source of something emits / produces / generates / provides that something -> the sun produces light and <mask> energy | heat |
the sun is a source of light and heat energy & a source of something emits / produces / generates / provides that something -> the sun produces light and heat <mask> | energy |
the sun produces light and heat energy & nuclear reactions are the source of the sun's energy -> the <mask> produces light and heat energy through nuclear reactions | sun |
the sun produces light and heat energy & nuclear reactions are the source of the sun's energy -> the sun <mask> light and heat energy through nuclear reactions | produces |
the sun produces light and heat energy & nuclear reactions are the source of the sun's energy -> the sun produces <mask> and heat energy through nuclear reactions | light |
the sun produces light and heat energy & nuclear reactions are the source of the sun's energy -> the sun produces light and <mask> energy through nuclear reactions | heat |
the sun produces light and heat energy & nuclear reactions are the source of the sun's energy -> the sun produces light and heat <mask> through nuclear reactions | energy |
the sun produces light and heat energy & nuclear reactions are the source of the sun's energy -> the sun produces light and heat energy through nuclear <mask> | reactions |
the sun produces light and heat energy through nuclear reactions & a star is a source of light / light energy through nuclear reactions -> the <mask> is a kind of star | sun |
the sun produces light and heat energy through nuclear reactions & a star is a source of light / light energy through nuclear reactions -> the sun is a <mask> of star | kind |
the sun produces light and heat energy through nuclear reactions & a star is a source of light / light energy through nuclear reactions -> the sun is a kind of <mask> | star |
main-sequences stars are a kind of star & stars generally have the same chemical composition -> main-sequences <mask> have the same chemical composition | stars |
main-sequences stars are a kind of star & stars generally have the same chemical composition -> main-sequences stars have the same <mask> composition | chemical |
main-sequences stars are a kind of star & stars generally have the same chemical composition -> main-sequences stars have the same chemical <mask> | composition |
the sun is a kind of yellow dwarf & the sun is average in size for a star in our galaxy -> the <mask> is a yellow dwarf with average size | sun |
the sun is a kind of yellow dwarf & the sun is average in size for a star in our galaxy -> the sun is a <mask> dwarf with average size | yellow |
the sun is a kind of yellow dwarf & the sun is average in size for a star in our galaxy -> the sun is a yellow <mask> with average size | dwarf |
the sun is a kind of yellow dwarf & the sun is average in size for a star in our galaxy -> the sun is a yellow dwarf with <mask> size | average |
the sun is a kind of yellow dwarf & the sun is average in size for a star in our galaxy -> the sun is a yellow dwarf with average <mask> | size |
the sun is a yellow dwarf with average size & medium means average -> the <mask> is a yellow dwarf with medium size | sun |
the sun is a yellow dwarf with average size & medium means average -> the sun is a <mask> dwarf with medium size | yellow |
the sun is a yellow dwarf with average size & medium means average -> the sun is a yellow <mask> with medium size | dwarf |
the sun is a yellow dwarf with average size & medium means average -> the sun is a yellow dwarf with <mask> size | medium |
the sun is a yellow dwarf with average size & medium means average -> the sun is a yellow dwarf with medium <mask> | size |
red dwarf stars are cooler in temperature than yellow dwarf stars & the sun is a kind of yellow dwarf -> <mask> dwarf stars are cooler than the sun | red |
red dwarf stars are cooler in temperature than yellow dwarf stars & the sun is a kind of yellow dwarf -> red <mask> stars are cooler than the sun | dwarf |
red dwarf stars are cooler in temperature than yellow dwarf stars & the sun is a kind of yellow dwarf -> red dwarf <mask> are cooler than the sun | stars |
red dwarf stars are cooler in temperature than yellow dwarf stars & the sun is a kind of yellow dwarf -> red dwarf stars are <mask> than the sun | cooler |
red dwarf stars are cooler in temperature than yellow dwarf stars & the sun is a kind of yellow dwarf -> red dwarf stars are cooler than the <mask> | sun |
the sun is a kind of yellow dwarf & a yellow dwarf is a kind of main-sequence star -> the <mask> is a kind of main-sequence star | sun |
the sun is a kind of yellow dwarf & a yellow dwarf is a kind of main-sequence star -> the sun is a <mask> of main-sequence star | kind |
the sun is a kind of yellow dwarf & a yellow dwarf is a kind of main-sequence star -> the sun is a kind of main-sequence <mask> | star |
the sun is a kind of main-sequence star & main-sequence stars are generally yellow in color -> the <mask> is a yellow main-sequence star | sun |
the sun is a kind of main-sequence star & main-sequence stars are generally yellow in color -> the sun is a <mask> main-sequence star | yellow |
the sun is a kind of main-sequence star & main-sequence stars are generally yellow in color -> the sun is a yellow main-sequence <mask> | star |
protons / neutrons are formed by nuclear fusion -> <mask> and neutrons are involved in the nuclear fusion | protons |
protons / neutrons are formed by nuclear fusion -> protons and <mask> are involved in the nuclear fusion | neutrons |
protons / neutrons are formed by nuclear fusion -> protons and neutrons are <mask> in the nuclear fusion | involved |
protons / neutrons are formed by nuclear fusion -> protons and neutrons are involved in the nuclear <mask> | fusion |
a moon is a kind of celestial object / body & earth is a kind of celestial object & the earth has more mass than the moon -> <mask> as a celestial object has more mass than the moon as a celestial object | earth |
a moon is a kind of celestial object / body & earth is a kind of celestial object & the earth has more mass than the moon -> earth as a celestial <mask> has more mass than the moon as a celestial object | object |
a moon is a kind of celestial object / body & earth is a kind of celestial object & the earth has more mass than the moon -> earth as a celestial object has more <mask> than the moon as a celestial object | mass |
a moon is a kind of celestial object / body & earth is a kind of celestial object & the earth has more mass than the moon -> earth as a celestial object has more mass than the <mask> as a celestial object | moon |
a moon is a kind of celestial object / body & earth is a kind of celestial object & the earth has more mass than the moon -> earth as a celestial object has more mass than the moon as a celestial <mask> | object |
earth as a celestial object has more mass than the moon as a celestial object & as the mass of a celestial object decreases , the surface gravity of that celestial object weakens -> the <mask> gravity on moon is less than the surface gravity on earth | surface |
earth as a celestial object has more mass than the moon as a celestial object & as the mass of a celestial object decreases , the surface gravity of that celestial object weakens -> the surface <mask> on moon is less than the surface gravity on earth | gravity |
earth as a celestial object has more mass than the moon as a celestial object & as the mass of a celestial object decreases , the surface gravity of that celestial object weakens -> the surface gravity on <mask> is less than the surface gravity on earth | moon |
earth as a celestial object has more mass than the moon as a celestial object & as the mass of a celestial object decreases , the surface gravity of that celestial object weakens -> the surface gravity on moon is <mask> than the surface gravity on earth | less |
earth as a celestial object has more mass than the moon as a celestial object & as the mass of a celestial object decreases , the surface gravity of that celestial object weakens -> the surface gravity on moon is less than the <mask> gravity on earth | surface |
earth as a celestial object has more mass than the moon as a celestial object & as the mass of a celestial object decreases , the surface gravity of that celestial object weakens -> the surface gravity on moon is less than the surface <mask> on earth | gravity |