sentences
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metal is an electrical conductor
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iron nails are made of iron
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conductivity is a property of a material
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metal is an electrical / electrical energy conductor
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conductivity is a kind of physical property
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copper is a kind of material
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copper is a kind of metal
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a conducting wire can electrocute the user
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electrical insulation requires wrapping a conductor in an insulator
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plastic is usually an electrical insulator
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electrical insulation on a conducting wire can prevent electrocution
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a conducting wire is a conductor
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electrocution can cause death
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preventing electrocution will protect the user
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metal is an electrical conductor
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copper is a kind of metal
1
wiring requires an electrical conductor
1
metal is an electrical / electrical energy conductor
1
copper is a kind of metal
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metal is a kind of material
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metals usually have higher / greater conductivity than nonmetals
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metal is an electrical conductor
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wiring requires an electrical conductor
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an element is a kind of material
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an electrical conductor is conductive
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conductivity is a property of a material
1
feeling is when an living thing senses through touch
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soft is a kind of touch sensation
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feathers are usually soft in sensation
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the statue is made of a kind of marble
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the table is made of the same kind of marble
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the intensive property of something is the same for the things of same kind
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hardness is an intensive property
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measuring the hardness of minerals requires scratching those materials
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comparing requires measuring
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a mineral is a kind of object
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the luster of an object can be determined by looking at that object
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a magnet attracts magnetic metals
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nails are usually made of metal
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metal is sometimes magnetic
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a magnet attracts magnetic metals / ferromagnetic metals through magnetism
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metal is sometimes magnetic
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an object is attracted to a magnet
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iron nails are made of iron
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a magnet attracts magnetic metals
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iron is always magnetic
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a refrigerator door contains iron
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iron is always magnetic
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a magnet attracts magnetic metals / ferromagnetic metals through magnetism
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a magnet is magnetic
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a magnet attracts magnetic metals / ferromagnetic metals through magnetism
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a paper clip is often made of magnetic metals
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an unknown object can attract a paper clip
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the ability to attract a paper clip is a kind of property
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sand is always nonmagnetic
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the mixture is made of unknown particles and sand
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a magnet will not attract nonmagnetic materials
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iron is always magnetic
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a magnet attracts magnetic metals through magnetism
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a magnet will not attract nonmagnetic metals
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aluminum is always nonmagnetic
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the mixture is made of iron nails and aluminum nails
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iron is always magnetic
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a magnet attracts magnetic metals
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the floor is a kind of object
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a white object reflects all visible light
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a solution is made of one substance dissolved in another substance
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sugar is soluble in water
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if something is soluble in something , then that something can be dissolved in something forming a solution
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tea tastes bitter
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taste can be used to distinguish food
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sugar causes food to taste sweet
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wood is an thermal insulator
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a thermal insulator slows the transfer of heat
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if a spoon is used to stir a liquid then that spoon is touching that liquid
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the spoon is used to stir soup
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soup is a kind of thing
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the soup is cooking on the stove
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a thermal insulator slows the transfer of heat
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if two things are touching then heat energy will be transferred between those things
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the spoon in the example is made of wood
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a spoon is a kind of thing
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wood is an thermal insulator
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cooking food requires adding heat energy to the food
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transferring of heat causes the object to increase in temperature
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soup is a kind of liquid
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sleeping bags are designed to keep people warm
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down feathers are a thermal insulator
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insulated material can be used for keeping warm
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cookware is used for cooking
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a thermal energy conductor transfers heat
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cooking food requires adding heat energy to the food
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texture is a property of objects
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hardness is a property of a an object
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taste is a property of an object
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density is a measure of mass of an object divided by volume
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an object has a small volume and large mass
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heaviest means greatest mass / weight
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as the mass of an object increases , the weight of that object will increase
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the rock has the greatest mass among four collected rocks
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