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wrapping the conducting wire in an insulator can achieve electrical insulation & plastic is usually an electrical insulator | wrapping the conducting wire in plastic can achieve electrical insulation |
electrical insulation over a conducting wire is required to protect the user & wrapping the conducting wire in plastic can achieve electrical insulation | wrapping the conducting wire with plastic can protect the user |
metal is an electrical conductor & copper is a kind of metal | copper is an electrical conductor |
copper is an electrical conductor & wiring requires an electrical conductor | copper can be used in wiring |
metal is an electrical / electrical energy conductor & copper is a kind of metal | copper is an electrical conductor |
copper is a kind of metal & metal is a kind of material | copper is a kind of material |
copper is an electrical conductor & copper is a kind of material | copper is the material that is an electrical conductor |
metals usually have higher / greater conductivity than nonmetals & metal is an electrical conductor | conductivity can be used to identify metals |
an element is a kind of material & conductivity is a property of a material | conductivity is a property of an element |
conductivity is a property of an element & an electrical conductor is conductive | an electrical conductor is an element that is conductive |
an electrical conductor is an element that is conductive & wiring requires an electrical conductor | wiring requires an element that is conductive |
feeling is when an living thing senses through touch & soft is a kind of touch sensation | soft is a kind of feeling |
soft is a kind of feeling & feathers are usually soft in sensation | a feather feels soft |
the intensive property of something is the same for the things of same kind & hardness is an intensive property | hardness of a something is the same for the things of same kind |
the statue is made of a kind of marble & the table is made of the same kind of marble | the statue and the table are made the same kind of marble |
hardness of a something is the same for the things of same kind & the statue and the table are made the same kind of marble | the hardness of the statue and the table is the same |
measuring the hardness of minerals requires scratching those materials & comparing requires measuring | to compare the hardness of minerals requires scratching those materials |
a mineral is a kind of object & the luster of an object can be determined by looking at that object | the luster of a mineral can be determined by looking at it |
nails are usually made of metal & metal is sometimes magnetic | metal nails are sometimes magnetic |
metal nails are sometimes magnetic & a magnet attracts magnetic metals | a metal nail will most likely be attracted to a magnet |
a magnet attracts magnetic metals / ferromagnetic metals through magnetism & an object is attracted to a magnet | the object is made of a magnetic material |
the object is made of a magnetic material & metal is sometimes magnetic | the object is likely made of metal |
iron nails are made of iron & iron is always magnetic | iron nails are magnetic |
iron nails are magnetic & a magnet attracts magnetic metals | a magnet will attract an iron nail |
a refrigerator door contains iron & iron is always magnetic | a refrigerator door is magnetic |
a refrigerator door is magnetic & a magnet attracts magnetic metals / ferromagnetic metals through magnetism | a magnet can attract to a refrigerator door |
a magnet attracts magnetic metals / ferromagnetic metals through magnetism & a paper clip is often made of magnetic metals | a magnet can attract a paper clip |
a magnet can attract a paper clip & an unknown object can attract a paper clip | an unknown object and a magnet can both attract a paper clip |
an unknown object and a magnet can both attract a paper clip & the ability to attract a paper clip is a kind of property | the unknown object has the same property as a magnet |
the unknown object has the same property as a magnet & a magnet is magnetic | the unknown object is magnetic |
iron is always magnetic & a magnet attracts magnetic metals through magnetism | a magnet will attract iron |
sand is always nonmagnetic & a magnet will not attract nonmagnetic materials | a magnet will not attract sand |
a magnet will attract iron & a magnet will not attract sand & the mixture is made of unknown particles and sand | iron is likely the element attracted by the magnet |
iron is always magnetic & a magnet attracts magnetic metals | a magnet will attract iron |
a magnet will attract iron & the mixture is made of iron nails and aluminum nails | a magnet will attract the iron nails in the mixture |
a magnet will not attract nonmagnetic metals & aluminum is always nonmagnetic | a magnet will not attract aluminum |
a magnet will not attract aluminum & the mixture is made of iron nails and aluminum nails | a magnet will not attract the aluminum nails in the mixture |
a magnet will attract the iron nails in the mixture & a magnet will not attract the aluminum nails in the mixture | a magnet can separate the mixutre of iron nails and aluminum nails |
the floor is a kind of object & a white object reflects all visible light | a white floor will reflect all visible light |
sugar is soluble in water & if something is soluble in something , then that something can be dissolved in something forming a solution | sugar dissolves in water when they are combined |
sugar dissolves in water when they are combined & a solution is made of one substance dissolved in another substance | sugar will dissolve in water and form a solution |
tea tastes bitter & sugar causes food to taste sweet | sugar can cause tea to taste sweet |
sugar can cause tea to taste sweet & taste can be used to distinguish food | if the tea tastes sweet, then there is sugar in the tea |
wood is an thermal insulator & a thermal insulator slows the transfer of heat | wood can slow the transfer of heat |
if a spoon is used to stir a liquid then that spoon is touching that liquid & if a spoon is used to stir a liquid then that spoon is touching that liquid2 | if a spoon is used to stir soup then that spoon is touching that soup |
if a spoon is used to stir soup then that spoon is touching that soup & the spoon is used to stir soup | the spoon is touching the soup |
if a spoon is used to stir a liquid then that spoon is touching that liquid0 & the soup is cooking on the stove | heat energy is added to the soup |
the spoon is touching the soup & heat energy is added to the soup | heat energy is added to soup that is touching the spoon |
soup is a kind of thing & a spoon is a kind of thing | soup and a spoon are kinds of things |
soup and a spoon are kinds of things & if two things are touching then heat energy will be transferred between those things | if soup and a spoon are touching then heat energy will be transferred between the soup and spoon |
heat energy is added to soup that is touching the spoon & if soup and a spoon are touching then heat energy will be transferred between the soup and spoon | heat energy is transferring from the soup to the spoon |
heat energy is transferring from the soup to the spoon & the spoon in the example is made of wood | heat energy is transferring from the soup to wood |
a thermal insulator slows the transfer of heat & wood is an thermal insulator | wood can slow the transferring of the heat |
heat energy is transferring from the soup to wood & wood can slow the transferring of the heat | if a spoon is used to stir soup then that spoon is touching that soup0: the transferring of heat energy from soup to wood is slowed down |
if a spoon is used to stir soup then that spoon is touching that soup0 & if a spoon is used to stir a liquid then that spoon is touching that liquid1 | the wood will increase temperature slower |
sleeping bags are designed to keep people warm & insulated material can be used for keeping warm | sleeping bags usually are made of insulated materials |
sleeping bags usually are made of insulated materials & down feathers are a thermal insulator | down feathers can be used to make sleeping bags |
cookware is used for cooking & cooking food requires adding heat energy to the food | cooking food requires adding heat energy to the food using cookware |
cooking food requires adding heat energy to the food using cookware | cooking food requires cookware to be able to transfer heat |
cooking food requires cookware to be able to transfer heat & a thermal energy conductor transfers heat | cooking requires the cookware to be a thermal conductor |
texture is a property of objects & hardness is a property of a an object & taste is a property of an object | hardness, taste, and texture are properties of an object |
density is a measure of mass of an object divided by volume & an object has a small volume and large mass | that object will likely have a high density |
as the mass of an object increases , the weight of that object will increase & the rock has the greatest mass among four collected rocks | the rock has the greatest mass has the greatest weight |
the rock has the greatest mass has the greatest weight & heaviest means greatest mass / weight | the rock with greatest weight feels the heaviest |
melting means a substance changes from a solid into a liquid by increasing heat energy & gold melts | gold changes from solid state to liquid state |
gold changes from solid state to liquid state & as state of matter changes , mass will not change | the mass of gold will not change |
a quartzite is a kind of metamorphic rock & sandstone is a kind of sedimentary rock | sandstone is a kind of sedimentary rock and quartzite is a kind of metamorphic rock |
sandstone is a kind of sedimentary rock and quartzite is a kind of metamorphic rock & class is a property of a rock and includes values of sedimentary / metamorphic / igneous | sandstone is in the class of sedimentary rock and quartzite is in the class of metamorphic rock |
sandstone is in the class of sedimentary rock and quartzite is in the class of metamorphic rock & a rock changes from sandstone into quartzite | the rock changes class from sedimentary rock to metamorphic rock |
the rock changes class from sedimentary rock to metamorphic rock & as the class of a rock changes , the mass of the rock will stay the same | the mass of the rock will remain the same |
matter in the solid phase has definite shape & definite shape means the shape of an object stays the same when moved to different spot | solid object will have the same shape when moved to a different spot |
solid object will have the same shape when moved to a different spot & an eraser is a kind of solid | an eraser will have the same shape when moved to a different spot |
tearing means changing a whole into pieces & a paper bag is ripped into pieces & ripping means tearing | the paper bag has changed from a whole into pieces of paper |
the paper bag has changed from a whole into pieces of paper & a piece of an object is smaller in size than the entire object / whole object | pieces of the paper bag are smaller than the whole bag |
seeing small things with bare eye is difficult & hair is thin | seeing a hair with bare eyes is difficult |
seeing a hair with bare eyes is difficult & texture of an object can sometimes be told by looking at the object | seeing the texture of a hair with bare eyes is difficult |
seeing the texture of a hair with bare eyes is difficult & magnifying makes seeing small things easier | magnifying can help study the texture of a hair |
friction causes the temperature of an object to increase & friction occurs when two object 's surfaces move against each other | when friction occurs between two objects, both objects' temperatures increase |
a wooden block is pushed across a sheet of sandpaper & an object being pushed across another object causes their surfaces to move against each other | the surfaces of a wooden block and sandpaper are moving against each other |
the surfaces of a wooden block and sandpaper are moving against each other & friction occurs when two object 's surfaces move against each other | friction occurs when the wooden block is moving against the sandpaper |
when friction occurs between two objects, both objects' temperatures increase & friction occurs when the wooden block is moving against the sandpaper | friction will cause the temperature of the wooden block to increase |
smooth is a kind of texture & texture is a property of objects and includes ordered values of smooth or rough | smooth can be used to describe the texture of an object |
matter in the solid phase has definite volume & one sample is a solid sample of aluminum | the solid aluminum has definite volume |
matter in the liquid phase has definite volume & one sample is a liquid sample of aluminum | the liquid aluminum has definite volume |
the solid aluminum has definite volume & the liquid aluminum has definite volume | both samples have definite volume |
the oceans are located on earth & the oceans contain liquid water | liquid water is located on earth |
liquid water is located on earth & water is in the liquid state , called liquid water , for temperatures between 273 / 32 / 0 and 373 / 212 / 100 k / f / c | water in the liquid state is located on earth |
arctic environments contain ice & arctic environments are located on earth | ice is located on earth |
ice is located on earth & water is in the solid state , called ice , for temperatures between 0 / -459 / -273 and 273 / 32 / 0 k / f / c | water in the solid state is located on earth |
earth's atmosphere contains water vapor & earth's atmosphere is located on earth | water vapor is located on earth |
water vapor is located on earth & water is in the gas state , called water vapor / steam , for temperatures between 373 / 212 / 100 and 100000000000 k / f / c | water in the gas state is located on earth |
water in the liquid state is located on earth & water in the solid state is located on earth & water in the gas state is located on earth | water in the liquid, solid, and gas state is located on earth |
matter in gas phase takes the shape of the entire container & the item takes the shape of the entire container | the item is a kind of matter in the gas phase |
the item is a kind of matter in the gas phase & air is a kind of gas | the item is most likely air |
matter in the gas phase has variable volume & matter in the gas phase has variable shape | matter in gas phase has variable volume and shape |
matter in gas phase has variable volume and shape & matter with variable volume and shape expands to fill the shape and size of its entire container | gas will expand to fill the shape of the container |
gas will expand to fill the shape of the container & air is a kind of gas | air will expand to fill the shape of the container |
a bubble is made of pockets of gas trapped inside a liquid or solid & soap bubbles are made of air trapped inside soap liquid | air is inside the soap bubbles |
matter in the liquid phase has variable shape & matter in the liquid phase has definite volume | matter in the liquid phase has definite volume and variable shape |
matter in the liquid phase has definite volume and variable shape & indefinite means variable | matter in the liquid phase has definite volume and indefinite shape |