sentences
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[ "the moon revolving around / orbiting the earth causes the phases of the moon & the moon orbiting the earth occurs once per month -> each of the moon 's phases of earth's moon occurs once per month", " " ]
1
[ "the earth revolves around the sun & a revolution occurs when something revolves around something else -> revolution can be used to describe the earth revolving around the sun", " " ]
1
[ "gravity causes orbits & planets in the solar system orbit the sun -> gravity causes the planets in the solar system to orbit the sun", " " ]
1
[ "gravity causes orbits & planets in the solar system orbit the sun -> gravity causes the planets in the solar system to orbit the sun", " mars is a kind of planet & mars is located in the solar system -> mars is a planet in the solar system", " gravity causes the planets in the solar system to orbit the sun &...
1
[ "gravity causes orbits & the earth revolves around the sun -> gravity causes the earth to revolve around the sun", " gravity causes orbits & the moon orbits the earth -> gravity causes the moon to orbit the earth", " gravity causes the earth to revolve around the sun & gravity causes the moon to orbit the ear...
1
[ "gravity causes orbits & planets in the solar system orbit the sun -> gravity causes planets in the solar system to orbit the sun", " " ]
1
[ "planets in the solar system orbit the sun & gravity causes orbits -> gravity causes planets in the solar system to orbit the sun", " " ]
1
[ "planets in the solar system orbit the sun & gravity causes orbits -> gravity causes planets in the solar system to orbit the sun", " " ]
1
[ "gravity causes orbits & the moon orbits the earth -> gravity causes the moon to orbit around the earth", " " ]
1
[ "planets in the solar system orbit the sun & gravity causes orbits -> gravity causes the planets in the solar system to orbit the sun", " " ]
1
[ "uranus is located in the solar system & uranus is a kind of planet -> uranus is a planet located in the solar system", " uranus is a planet located in the solar system & planets in the solar system orbit the sun -> uranus is a planet in the solar system that orbits around the sun", " uranus is a planet in th...
1
[ "the moon orbiting the earth occurs once per month & the moon 's orbit is elliptical -> the moon orbits the earth in an elliptical orbit once per month", " " ]
1
[ "planetary orbits are mostly elliptical & planets in the solar system orbit the sun -> planets in the solar system orbit the sun in an elliptical orbit", " " ]
1
[ "a planet is a kind of celestial object / body & earth is a kind of planet -> earth is a kind of celestial object", " earth is a kind of celestial object & as distance from an object decreases , that object will appear larger & a star is a kind of celestial object / celestial body -> as the distance from a star...
1
[ "dehydrating food is used for preserving food & astronauts require preserved food for extended flights -> dehydrating food can be used for preserving food for extended flights", " " ]
1
[ "a space probe can orbit / land on other planets & mars is a kind of planet -> a space probe can land on mars", " a space probe can land on mars & a space probe is used for collecting / analyzing materials / samples / information -> a space probe can land on mars and collect and analyze samples", " a space pr...
1
[ "high tide is a stage in the tide cycle process & low tide is a stage in the tide cycle process & the tide cycle occurs regularly twice per day -> high tide and low tide in the tide cycle occur twice per day", " high tide and low tide in the tide cycle occur twice per day & a tide is a kind of natural event -> h...
1
[ "high tide is a stage in the tide cycle process & low tide is a stage in the tide cycle process & the tide cycle occurs regularly twice per day -> high tide and low tide in the tide cycle occur twice per day", " " ]
1
[ "the tide is when ocean levels periodically rise / fall & the gravitational pull of the moon on earth 's oceans causes the tides -> the gravitational pull causes the ocean levels on earth to rise and fall periodically", " " ]
1
[ "the tide is when ocean levels periodically rise / fall & the gravitational pull of the moon on earth 's oceans causes the tides -> the gravitational pull causes the ocean levels on earth to rise and fall periodically", " " ]
1
[ "the moon moves away from earth & moving away from the source increases the distance -> the moon moving away from earth increases the distance between the moon and the earth", " the moon moving away from earth increases the distance between the moon and the earth & as the distance from an object increases , the ...
1
[ "spring tides occur during a full moon & spring tide is when the distance between high tide and low tide is the greatest -> the highest tides occur during a full moon", " " ]
1
[ "the sun is a source of light / light energy called sunlight & as a source of light moves directly overhead of an object , the size of the shadow of that object will decrease -> when the sun moves directly overhead of an object, the size of the shadow of that object will be the smallest", " when the sun moves di...
1
[ "volcano eruption is when volcano deposits lava to the earth 's surface & new land can be formed by lava cooling after an volcano eruption -> volcano eruption can form a new land", " volcano eruption can form a new land & a volcanic eruption is a kind of quick process -> volcano eruption is a quick process to fo...
1
[ "most canyons are formed by flowing rivers & a valley is formed by flowing rivers -> canyons and valleys are formed by flowing rivers", " " ]
1
[ "sometimes piles of rocks are formed by melting glaciers depositing rocks & deposition is a kind of constructive force -> piles of rocks are formed by the constructive force of glaciers", " " ]
1
[ "water deposits the leaves at the foot of the hill and fans out & a delta is formed by sediment depositing at the mouth of a river by water fanning out -> water depositing leaves at the foot of the hill is similar to water forming a delta", " " ]
1
[ "a river is a kind of a moving body of water & most canyons are formed by flowing rivers through erosion over long periods of time -> most canyons are formed by moving body of water through erosion over long periods of time", " " ]
1
[ "the grand canyon is a kind of canyon & most canyons are formed by flowing rivers through erosion over long periods of time -> the grand canyon is formed by flowing rivers through erosion over long periods of time", " a river is a kind of flowing body of water & the colorado river is a kind of river next to the ...
1
[ "a dinosaur is a kind of extinct animal & a bone is a part of some animals & an example of a fossil is the bones of an extinct animal -> the bones of dinosaurs are an example of fossils", " the bones of dinosaurs are an example of fossils & index fossils can be used to determine the approximate age of other foss...
1
[ "if a species existed for a relatively short time then that species is now extinct & index fossils are formed from species that existed for a relatively short time -> the species that form the index fossils are now extinct", " " ]
1
[ "shell is a part of a mussel & a freshwater mussel is a kind of mussel -> shell is a part of a freshwater mussel", " shell is a part of a freshwater mussel & fossils of shells of freshwater mussels are found in a mountain range -> fossils of freshwater mussels are found in the mountain range", " fossils of ...
1
[ "an ocean is a kind of body of water & a body of water is a kind of environment -> an ocean is a kind of environment", " an ocean is a kind of environment & a tropical environment usually has warm temperatures -> a tropical ocean usually has warm temperatures", " a tropical ocean usually has warm temperatures...
1
[ "a wooded area is a kind of place & if fossils of a water animal or plant are found in a place then that place used to be covered by water in the past & fossils of seashells are found in a wooded area -> the wooded area used to be covered by water in the past", " the wooded area used to be covered by water in th...
1
[ "a dinosaur is a kind of reptile & a reptile is a kind of animal -> a dinosaur is a kind of animal", " a dinosaur is a kind of animal & if fossils of an animal or plant are found in a place then that animal or plant used to live in that place & fossils of dinosaurs are found in antarctica -> dinosaurs used to l...
1
[ "a shark is a kind of fish & a fish is a kind of aquatic animal -> a shark is a kind of aquatic animal", " a shark is a kind of aquatic animal & if fossils of an aquatic animal or plant are found in a place then that place used to be covered by water in the past -> if fossils of sharks are found in a place then...
1
[ "marine animals are water animals & marine fossils means fossils of marine animals -> marine fossils are fossils of water animals", " marine fossils are fossils of water animals & marine fossils are found in mountains -> fossils of water animals are found in mountains", " fossils of water animals are found in...
1
[ "limestone is a kind of sedimentary rock & shale is a kind of sedimentary rock -> shale and limestone are different kinds of sedimentary rock", " shale and limestone are different kinds of sedimentary rock & environments changing can cause layers of rock that are on top of each other to be of different kind & a ...
1
[ "fossils are formed when layers of sediment cover the remains of organisms over time & a plant is a kind of organism & an animal is a kind of organism -> fossils are formed when layers of sediment cover the remains of plants and animals over time", " " ]
1
[ "fossils are the remains of organisms or part of organisms & organism remains can be preserved in sedimentary rock -> fossils are preserved in sedimentary rock", " fossils are preserved in sedimentary rock & if something is preserved in sedimentary rocks, then that something can be found in the sedimentary rock ...
1
[ "bones are part of some animals & animals are a kind of organism -> bones are part of organisms", " animals are a kind of organism & a shell is a part of some animals -> shells are part of some organisms", " bones are part of organisms & shells are part of some organisms & fossils are the remains of organisms...
1
[ "limestone is a kind of sedimentary rock & nearly all fossils are found in sedimentary rock -> fossils can be found in limestones", " fossils can be found in limestones & a fossil seashell is a kind of fossil -> a fossil seashell can be found in a limestone", " " ]
1
[ "nearly all fossils are found in sedimentary rock & if something is found in something else, then that something else contains that something -> sedimentary rocks contain nearly all fossils", " " ]
1
[ "fossils can be used to study the history of organisms and environments on earth & an animal is a kind of organism -> fossils can be used to study the history of animals and environments on earth", " fossils can be used to study the history of animals and environments on earth & a dinosaur is a kind of extinct a...
1
[ "an animal is a kind of organism & a horse is a kind of animal -> a horse is a kind of organism", " a horse is a kind of organism & if fossils of an organism change depending on the level in which they were found then that species of organism changed over time -> if fossils of horses change depending on the lev...
1
[ "a bird is a kind of animal & an animal is a kind of organism -> a bird is a kind of organism", " a bird is a kind of organism & if a fossil is of an organism that cannot be identified then that organism is probably extinct -> if a fossil of a bird cannot be identified then that kind of bird is probably extinct"...
1
[ "an elephant is a kind of animal species & if the fossils of a species are different from the existing species, then the species has changed over time & the fossil of the elephant in african savanna is different from the elephant species presently in that area -> the elephant in african savanna has changed over tim...
1
[ "a mineral is a kind of solid natural material & a mineral usually has a crystal structure -> a mineral is a solid natural material with a crystal structure", " " ]
1
[ "rock is made of minerals & a mineral is a kind of solid natural material -> a mineral is a solid natural material that makes up rocks", " " ]
1
[ "a diamond is made of face-centered cubic crystals & a mineral usually has a crystal structure -> diamond is a kind of mineral", " " ]
1
[ "a mineral usually has a crystal structure & a quartz is made of six-sided transparent crystals -> quartz is a kind of mineral", " " ]
1
[ "minerals are formed by magma cooling & a volcano is a source of magma / lava -> minerals are formed by magma from a volcano cooling", " " ]
1
[ "halite is formed by a body of salt water evaporating & seawater is a kind of salt water & halite is a kind of mineral -> the mineral halite is formed by a body of seawater evaporating", " " ]
1
[ "the formation of diamonds requires intense pressure & the pressure is intense deep below earth 's crust -> the formation of diamonds occurs deep below the crust of the earth", " " ]
1
[ "hardness is a property of a material / an object and includes ordered values of malleable / rigid & a mineral is a kind of solid / natural material -> hardness is a property of minerals", " hardness is a property of minerals & the properties of something can be used to identify that something -> hardness can be...
1
[ "if an object is made of a material then that object has the properties of that material & a rock is a kind of object & rock is made of minerals -> rocks will have the properties of the minerals that make up the rocks", " the property of something is the same for the things of same kind & color is a property of ...
1
[ "an example of breaking something down is scratching something & a material that is soft can be broken down by a material that is hard -> a material that is soft can be scratched by a material that is hard", " a material that is soft can be scratched by a material that is hard & a mineral is a kind of material -...
1
[ "quartz scratches glass easily & a quartz is made of six-sided transparent crystals & quartz is a kind of mineral -> quartz is the mineral that has six-sided transparent crystals and can scratch glass easily", " " ]
1
[ "a mineral can be scratched by a fingernail & if a mineral can be scratched by a fingernail then that mineral is soft -> a mineral is soft", " a mineral is soft & a mineral has a nonmetallic luster & if a mineral is black in color -> that mineral is black, has a nonmetallic luster, and is soft", " mica has a ...
1
[ "different materials usually have different properties & a mineral is a kind of material -> different minerals usually have different properties", " different minerals usually have different properties & samples of a single type of mineral usually have the same properties -> different minerals usually have diff...
1
[ "aluminum is a kind of metal & iron is a kind of metal -> iron and aluminum are kinds of metal", " iron and aluminum are kinds of metal & rocks often contain large amounts of metal -> rocks may contain large amounts of iron and aluminum", " " ]
1
[ "limestone is a kind of sedimentary rock & marble is a kind of metamorphic rock -> limestone is a kind of sedimentary rock and marble is a kind of metamorphic rock", " sedimentary rocks are formed by deposition / cementation & metamorphic rocks are formed by rocks being exposed to extreme heat and pressure -> s...
1
[ "granite contains mica & granite contains feldspar & granite contains quartz -> granite is made of quartz, feldspar, and mica", " feldspar is a kind of mineral & mica is a kind of mineral & quartz is a kind of mineral -> quartz, feldspar, and mica are minerals", " granite is made of quartz, feldspar, and mica...
1
[ "different classes of rocks are formed by different methods & class is a measure of how a rock is formed -> the method by which a rock is formed can be used to classify rocks", " the method by which a rock is formed can be used to classify rocks & the origin of a rock means the method by which a rock is formed -...
1
[ "the radioactive isotope content of a rock means the amount of elemental isotopes of the parent isotopes & calculating the age of rocks requires investigating the original amount of the elemental isotopes of the parent isotopes -> calculating the age of rocks requires investigating the radioactive isotope content ...
1
[ "the surface of the earth is made of 70% ocean & most means over 50% of something -> most of earth's surface is made of oceans", " most of earth's surface is made of oceans & the hydrosphere is a thin layer of water covering the earth 's surface -> most of the hydroshpere is made of oceans", " most of the hyd...
1
[ "if granite is broken down into sediment & the sediment from the granite is buried and compacted -> granite is broken down into sediment that is buried and compacted", " the formation of sedimentary rock is a sequential process, with stages of weathering, erosion, deposition,burying, compaction & if something is...
1
[ "metamorphic rocks are formed by rocks being exposed to extreme heat and pressure & magma is extremely high in temperature -> heat from magma can change a rock into metamorphic rock", " heat from magma can change a rock into metamorphic rock & sedimentary rock is a kind of rock -> heat from magma can change sedi...
1
[ "nearly all fossils are found in sedimentary rock & if something is found in something else then that something else contains that something -> sedimentary rocks can contain fossils", " sedimentary rocks can contain fossils & metamorphic rocks do not contain fossils -> sedimentary rocks can contain fossils and ...
1
[ "heat is a kind of energy & exposure to extreme heat and pressure changes igneous rock into metamorphic rock -> exposure to heat energy can change igneous rock into metamorphic rock", " exposure to heat energy can change igneous rock into metamorphic rock & change is a kind of process -> heat energy is in the pr...
1
[ "igneous rocks are formed by lava cooling & pumice is formed when lava cools -> pumice is a kind of igneous rock", " " ]
1
[ "igneous rocks / minerals are formed by magma / lava cooling / crystallizing & pumice is a kind of igneous rock -> pumice is formed by lava cooling", " if something is formed by a material changing then that something is formed from that material & lava is a kind of material -> if something is formed by lava ch...
1
[ "a class of something means a type of something & classifying is when one sorts something by kind / type -> classifying is when one sorts something by class", " classifying is when one sorts something by class & class is a measure of how a rock is formed -> rocks can be classified based on how they were formed"...
1
[ "as the rate of rocks cooling decreases , the crystal size of the rock will increase & rate is a kind of measurement of speed -> as the speed of rocks cooling decreases, the crystal size of the rock will increase", " as the speed of rocks cooling decreases, the crystal size of the rock will increase & to slow / ...
1
[ "exposure to pressure is a kind of condition & exposure to heat is a kind of condition -> exposure to heat and pressure are kinds of conditions", " exposure to heat and pressure are kinds of conditions & if something is formed by certain conditions then that something will likely be formed in an area with those ...
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[ "exposure to extreme heat and pressure changes sedimentary rock into metamorphic rock & if something changes into something else then that something else is formed from that something -> metamorphic rock is formed from sedimentary rock", " metamorphic rock is formed from sedimentary rock & the formation of metam...
1
[ "sedimentary rock is a kind of rock & metamorphic rocks are formed by rocks being exposed to extreme heat and pressure -> metamorphic rocks can be formed by sedimentary rocks being exposed to extreme heat and pressure", " metamorphic rocks can be formed by sedimentary rocks being exposed to extreme heat and pres...
1
[ "the continental crust mainly is made of granite & the continental crust mainly is made of granite1 -> the continental crust is mainly made of igneous rock", " basalt is a kind of igneous rock & the oceanic crust mainly is made of basalt -> the oceanic crust is mainly made of igneous rock", " the continental ...
1
[ "products are formed / are produced / are created & sedimentary rocks are formed by deposition / cementation -> sedimentary rocks are produced by deposition and cementation", " sedimentary rocks are produced by deposition and cementation & sandstone is a kind of sedimentary rock -> sandstone is produced by depos...
1
[ "weathering is a kind of erosion & erosion causes deposition -> weathering causes deposition", " weathering causes deposition & the formation of sedimentary rock is a sequential process, with stages of weathering, erosion, deposition,burying, compaction -> a stage in the formation of sedimentary rock is rock be...
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[ "extreme heat and pressure compact sediments into sedimentary rocks & sedimentary rocks are formed by sediment compacting together -> pressure compacting sediments causes sedimentary rock to form", " pressure compacting sediments causes sedimentary rock to form & to compact means to squeeze together -> pressure...
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[ "compaction is a kind of process & cementation is a kind of process -> compaction and cememtation are kinds of processes", " compaction and cememtation are kinds of processes & sedimentary rocks are formed by sediment compacting / cementing together -> sedimentary rocks are formed by sediment going through the p...
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[ "if something is a stage in a process then that something is required for that process & the formation of metamorphic rock is a sequential process, with stages of rock being compacted, heated, recrystallized -> recrystallization is required for the process of the formation of metamorphic rock", " recrystallizati...
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[ "if something is formed from something else then that something else becomes that something & sedimentary rocks are formed by sediment compacting together -> sediment becomes sedimentary rock by sediments compacting together", " sediment becomes sedimentary rock by sediments compacting together & sedimentary roc...
1
[ "to compact something means to compress something & sedimentary rocks are formed by sediment compacting together -> sedimentary rocks are formed by sediments being compressed together", " sedimentary rocks are formed by sediments being compressed together & sediment is a kind of small particle -> sedimentary ro...
1
[ "a collision is a kind of convergence & the collision of tectonic plates changes the order of the rock layers by compressing rock layers into faults and folds -> the convergence of tectonic plates changes the order of rock layers by compressing rock layers into faults and folds", " if an event changes something ...
1
[ "the formation of something is a kind of process & if a process follows another process, then the other process begins that process -> if the formation of something follows another process, then the other process begins the formation of that something", " weathering is a kind of geologic process & erosion is a k...
1
[ "weathering is a kind of erosion & sediment is formed by rocks weathering -> sediment is formed by weathering / erosion", " weathering is a kind of geologic process & erosion is a kind of process -> weathering and erosion are kinds of processes", " weathering and erosion are kinds of processes & if something ...
1
[ "if something can be used to determine a property of something else then that something can likely be used to determine that property of a part of that something else & age is a property of rocks -> if something can be used to determine the age of a rock then that something can likely be used to determine the age ...
1
[ "plastic is a kind of material made by humans & a plastic spoon is made of plastic -> a plastic spoon is made of a material that is made by humans", " natural means grown in nature & made by humans / artificial is the opposite of natural -> if something is made by humans then that something is not grown in natu...
1
[ "a mine produces minerals & a source of something emits / produces / generates / provides that something -> a mine is a source of minerals", " a mine is a source of minerals & mining is when humans take rocks and minerals from the ground -> if a mine is a source of something then that something can be mined", ...
1
[ "burning coal is a source of air pollution & using coal requires burning coal -> using coal is a source of air pollution", " using coal is a source of air pollution & pollution has a negative impact on the environment / air quality / water quality / society -> using coal has a negative impact on an ecosystem", ...
1
[ "coal is a kind of fossil fuel & fossil fuels are acquired by mining the lithosphere -> coal is acquired by mining the lithosphere", " coal is acquired by mining the lithosphere & uranium is acquired by mining the lithosphere -> uranium and coal are both acquired by mining the lithosphere", " " ]
1
[ "once means one time & if an organism is dead then that organism was living at one time -> if an organism is dead then that organism is once-living", " if an organism is dead then that organism is once-living & fossil fuels / fossils are formed from dead organisms over time -> fossil fuels are formed from once-...
1
[ "a fossil fuel is a kind of natural resource & coal is a kind of fossil fuel -> coal is a kind of natural resource", " coal is a kind of natural resource & coal is a nonrenewable resource -> coal is a kind of nonrenewable natural resource", " coal is used to produce electricity by burning in coal-fire power s...
1
[ "the sun is the source of solar energy called sunlight & solar energy is a renewable / inexhaustible resource -> the sun is a renewable resource", " the sun is a renewable resource & coal is a nonrenewable resource -> coal is nonrenewable and the sun is renewable", " " ]
1
[ "coal is used for generating heat by burning & to generate something means to produce something -> coal is used for producing heat by burning", " burning wood is used to produce heat & a tree contains wood -> burning trees is used to produce heat", " coal is used for producing heat by burning & burning trees ...
1
[ "burning fossil fuels is a source of air pollution & coal is a kind of fossil fuel -> burning coal is a source of air pollution", " coal is used for generating heat by burning & coal is used to produce electricity by burning in coal-fire power stations -> using coal usually requires burning coal", " burning c...
1
[ "burning converts chemical energy into thermal energy & coal is used for generating heat by burning -> burning coal converts chemical energy to thermal energy", " " ]
1
[ "renewable is the opposite of nonrenewable & something cannot have two opposite properties -> something cannot be renewable and nonrenewable", " something cannot be renewable and nonrenewable & fossil fuels are a nonrenewable resource -> fossil fuels cannot be renewable", " renewable is a property of resource...
1