step
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metal is an electrical conductor & metal is a thermal conductor -> <mask> can conduct electricity and heat
metal
metal is an electrical conductor & metal is a thermal conductor -> metal can <mask> electricity and heat
conduct
metal is an electrical conductor & metal is a thermal conductor -> metal can conduct <mask> and heat
electricity
metal is an electrical conductor & metal is a thermal conductor -> metal can conduct electricity and <mask>
heat
metal can conduct electricity and heat & iron is a kind of metal -> <mask> can conduct electricity and heat
iron
metal can conduct electricity and heat & iron is a kind of metal -> iron can <mask> electricity and heat
conduct
metal can conduct electricity and heat & iron is a kind of metal -> iron can conduct <mask> and heat
electricity
metal can conduct electricity and heat & iron is a kind of metal -> iron can conduct electricity and <mask>
heat
iron can conduct electricity and heat & iron is always magnetic -> <mask> can conduct electricity and heat and is magnetic
iron
iron can conduct electricity and heat & iron is always magnetic -> iron can <mask> electricity and heat and is magnetic
conduct
iron can conduct electricity and heat & iron is always magnetic -> iron can conduct <mask> and heat and is magnetic
electricity
iron can conduct electricity and heat & iron is always magnetic -> iron can conduct electricity and <mask> and is magnetic
heat
iron can conduct electricity and heat and is magnetic & iron nails are made of iron -> <mask> nail can conduct electricity and heat and is magnetic
iron
iron can conduct electricity and heat and is magnetic & iron nails are made of iron -> iron <mask> can conduct electricity and heat and is magnetic
nail
iron can conduct electricity and heat and is magnetic & iron nails are made of iron -> iron nail can <mask> electricity and heat and is magnetic
conduct
iron can conduct electricity and heat and is magnetic & iron nails are made of iron -> iron nail can conduct <mask> and heat and is magnetic
electricity
iron can conduct electricity and heat and is magnetic & iron nails are made of iron -> iron nail can conduct electricity and <mask> and is magnetic
heat
drinking straws are usually made of plastic & plastic is flexible -> a <mask> straw is flexible
drinking
drinking straws are usually made of plastic & plastic is flexible -> a drinking <mask> is flexible
straw
metal is flexible & a wire is usually made of metal -> a <mask> wire is flexible
metal
metal is flexible & a wire is usually made of metal -> a metal <mask> is flexible
wire
a drill is a kind of tool for cutting holes & cutting requires rigid tools -> a <mask> requires a rigid material for cutting
drill
a drill is a kind of tool for cutting holes & cutting requires rigid tools -> a drill <mask> a rigid material for cutting
requires
a drill is a kind of tool for cutting holes & cutting requires rigid tools -> a drill requires a rigid <mask> for cutting
material
a drill is a kind of tool for cutting holes & cutting requires rigid tools -> a drill requires a rigid material for <mask>
cutting
a drill requires a rigid material for cutting & diamond is a hard material -> a <mask> can use diamond for cutting
drill
a drill requires a rigid material for cutting & diamond is a hard material -> a drill can <mask> diamond for cutting
use
a drill requires a rigid material for cutting & diamond is a hard material -> a drill can use <mask> for cutting
diamond
a drill requires a rigid material for cutting & diamond is a hard material -> a drill can use diamond for <mask>
cutting
iron is always magnetic & iron nails are made of iron -> <mask> nails are magnetic
iron
iron is always magnetic & iron nails are made of iron -> iron <mask> are magnetic
nails
a metal spoon is put into a very hot water & a hot substance is a source of heat -> the <mask> spoon is exposed to a source of heat
metal
a metal spoon is put into a very hot water & a hot substance is a source of heat -> the metal <mask> is exposed to a source of heat
spoon
a metal spoon is put into a very hot water & a hot substance is a source of heat -> the metal spoon is <mask> to a source of heat
exposed
a metal spoon is put into a very hot water & a hot substance is a source of heat -> the metal spoon is exposed to a <mask> of heat
source
a metal spoon is put into a very hot water & a hot substance is a source of heat -> the metal spoon is exposed to a source of <mask>
heat
a spoon sometimes is made of metal & metal is a thermal conductor -> a <mask> spoon is a thermal conductor
metal
a spoon sometimes is made of metal & metal is a thermal conductor -> a metal <mask> is a thermal conductor
spoon
a spoon sometimes is made of metal & metal is a thermal conductor -> a metal spoon is a <mask> conductor
thermal
a spoon sometimes is made of metal & metal is a thermal conductor -> a metal spoon is a thermal <mask>
conductor
a metal spoon is a thermal conductor & if a thermal conductor is exposed to a source of heat then that conductor may become hot -> if a <mask> spoon is exposed to a source of heat, then the metal spoon will become hot
metal
a metal spoon is a thermal conductor & if a thermal conductor is exposed to a source of heat then that conductor may become hot -> if a metal <mask> is exposed to a source of heat, then the metal spoon will become hot
spoon
a metal spoon is a thermal conductor & if a thermal conductor is exposed to a source of heat then that conductor may become hot -> if a metal spoon is <mask> to a source of heat, then the metal spoon will become hot
exposed
a metal spoon is a thermal conductor & if a thermal conductor is exposed to a source of heat then that conductor may become hot -> if a metal spoon is exposed to a <mask> of heat, then the metal spoon will become hot
source
a metal spoon is a thermal conductor & if a thermal conductor is exposed to a source of heat then that conductor may become hot -> if a metal spoon is exposed to a source of heat, then the <mask> spoon will become hot
metal
a metal spoon is a thermal conductor & if a thermal conductor is exposed to a source of heat then that conductor may become hot -> if a metal spoon is exposed to a source of heat, then the metal <mask> will become hot
spoon
a metal spoon is a thermal conductor & if a thermal conductor is exposed to a source of heat then that conductor may become hot -> if a metal spoon is exposed to a source of heat, then the metal spoon will <mask> hot
become
the metal spoon is exposed to a source of heat & if a metal spoon is exposed to a source of heat, then the metal spoon will become hot -> the <mask> spoon will get hot
metal
the metal spoon is exposed to a source of heat & if a metal spoon is exposed to a source of heat, then the metal spoon will become hot -> the metal <mask> will get hot
spoon
the metal spoon is exposed to a source of heat & if a metal spoon is exposed to a source of heat, then the metal spoon will become hot -> the metal spoon will <mask> hot
get
opacity is a property of an object and includes ordered values of opaque / translucent / transparent & if an object is opaque , then light will not shine through that object -> no <mask> shines through an opaque object
light
opacity is a property of an object and includes ordered values of opaque / translucent / transparent & if an object is opaque , then light will not shine through that object -> no light <mask> through an opaque object
shines
opacity is a property of an object and includes ordered values of opaque / translucent / transparent & if an object is opaque , then light will not shine through that object -> no light shines through an opaque <mask>
object
no light shines through an opaque object & the light cannot shine through an object -> the <mask> is opaque
object
ice is a kind of object & mass is a measure of the amount of matter in an object -> the <mask> of a block of ice is a measure of the amount of matter in the block
mass
ice is a kind of object & mass is a measure of the amount of matter in an object -> the mass of a <mask> of ice is a measure of the amount of matter in the block
block
ice is a kind of object & mass is a measure of the amount of matter in an object -> the mass of a block of <mask> is a measure of the amount of matter in the block
ice
ice is a kind of object & mass is a measure of the amount of matter in an object -> the mass of a block of ice is a <mask> of the amount of matter in the block
measure
ice is a kind of object & mass is a measure of the amount of matter in an object -> the mass of a block of ice is a measure of the <mask> of matter in the block
amount
ice is a kind of object & mass is a measure of the amount of matter in an object -> the mass of a block of ice is a measure of the amount of <mask> in the block
matter
ice is a kind of object & mass is a measure of the amount of matter in an object -> the mass of a block of ice is a measure of the amount of matter in the <mask>
block
sugar crystal is hexagonal prism in shape & salt crystal is six-sided cube in shape -> <mask> crystals and sugar crystals have different shape
salt
sugar crystal is hexagonal prism in shape & salt crystal is six-sided cube in shape -> salt <mask> and sugar crystals have different shape
crystals
sugar crystal is hexagonal prism in shape & salt crystal is six-sided cube in shape -> salt crystals and <mask> crystals have different shape
sugar
sugar crystal is hexagonal prism in shape & salt crystal is six-sided cube in shape -> salt crystals and sugar <mask> have different shape
crystals
sugar crystal is hexagonal prism in shape & salt crystal is six-sided cube in shape -> salt crystals and sugar crystals have different <mask>
shape
salt crystals and sugar crystals have different shape & the shape of the crystal of a substance can be used for identifying the substance -> the <mask> of salt crystals and sugar crystals can be used to identify the salt and sugar
shape
salt crystals and sugar crystals have different shape & the shape of the crystal of a substance can be used for identifying the substance -> the shape of <mask> crystals and sugar crystals can be used to identify the salt and sugar
salt
salt crystals and sugar crystals have different shape & the shape of the crystal of a substance can be used for identifying the substance -> the shape of salt <mask> and sugar crystals can be used to identify the salt and sugar
crystals
salt crystals and sugar crystals have different shape & the shape of the crystal of a substance can be used for identifying the substance -> the shape of salt crystals and <mask> crystals can be used to identify the salt and sugar
sugar
salt crystals and sugar crystals have different shape & the shape of the crystal of a substance can be used for identifying the substance -> the shape of salt crystals and sugar <mask> can be used to identify the salt and sugar
crystals
salt crystals and sugar crystals have different shape & the shape of the crystal of a substance can be used for identifying the substance -> the shape of salt crystals and sugar crystals can be <mask> to identify the salt and sugar
used
salt crystals and sugar crystals have different shape & the shape of the crystal of a substance can be used for identifying the substance -> the shape of salt crystals and sugar crystals can be used to <mask> the salt and sugar
identify
salt crystals and sugar crystals have different shape & the shape of the crystal of a substance can be used for identifying the substance -> the shape of salt crystals and sugar crystals can be used to identify the <mask> and sugar
salt
salt crystals and sugar crystals have different shape & the shape of the crystal of a substance can be used for identifying the substance -> the shape of salt crystals and sugar crystals can be used to identify the salt and <mask>
sugar
touch can be used for detecting texture & texture is a property of objects and includes ordered values of smooth to rough -> <mask> can be used to observe the texture of objects
touch
touch can be used for detecting texture & texture is a property of objects and includes ordered values of smooth to rough -> touch can be <mask> to observe the texture of objects
used
touch can be used for detecting texture & texture is a property of objects and includes ordered values of smooth to rough -> touch can be used to <mask> the texture of objects
observe
touch can be used for detecting texture & texture is a property of objects and includes ordered values of smooth to rough -> touch can be used to observe the <mask> of objects
texture
touch can be used for detecting texture & texture is a property of objects and includes ordered values of smooth to rough -> touch can be used to observe the texture of <mask>
objects
touch can be used to observe the texture of objects & touch is a kind of sense -> <mask> is a kind of sense that can be used to observe the texture of objects
touch
touch can be used to observe the texture of objects & touch is a kind of sense -> touch is a <mask> of sense that can be used to observe the texture of objects
kind
touch can be used to observe the texture of objects & touch is a kind of sense -> touch is a kind of <mask> that can be used to observe the texture of objects
sense
touch can be used to observe the texture of objects & touch is a kind of sense -> touch is a kind of sense that can be <mask> to observe the texture of objects
used
touch can be used to observe the texture of objects & touch is a kind of sense -> touch is a kind of sense that can be used to <mask> the texture of objects
observe
touch can be used to observe the texture of objects & touch is a kind of sense -> touch is a kind of sense that can be used to observe the <mask> of objects
texture
touch can be used to observe the texture of objects & touch is a kind of sense -> touch is a kind of sense that can be used to observe the texture of <mask>
objects
matter in the gas phase has variable volume & matter in the gas phase has variable shape -> <mask> in gas phase has variable volume and shape
matter
matter in the gas phase has variable volume & matter in the gas phase has variable shape -> matter in <mask> phase has variable volume and shape
gas
matter in the gas phase has variable volume & matter in the gas phase has variable shape -> matter in gas <mask> has variable volume and shape
phase
matter in the gas phase has variable volume & matter in the gas phase has variable shape -> matter in gas phase has <mask> volume and shape
variable
matter in the gas phase has variable volume & matter in the gas phase has variable shape -> matter in gas phase has variable <mask> and shape
volume
matter in the gas phase has variable volume & matter in the gas phase has variable shape -> matter in gas phase has variable volume and <mask>
shape
matter in gas phase has variable volume and shape & variable is the opposite of definite -> <mask> in gas phase has no definite volume and no definite shape
matter
matter in gas phase has variable volume and shape & variable is the opposite of definite -> matter in <mask> phase has no definite volume and no definite shape
gas
matter in gas phase has variable volume and shape & variable is the opposite of definite -> matter in gas <mask> has no definite volume and no definite shape
phase
matter in gas phase has variable volume and shape & variable is the opposite of definite -> matter in gas phase has no definite <mask> and no definite shape
volume
matter in gas phase has variable volume and shape & variable is the opposite of definite -> matter in gas phase has no definite volume and no definite <mask>
shape
solid is a kind of state of matter & an ice cube is a kind of solid -> an <mask> cube is solid in its physical state
ice
solid is a kind of state of matter & an ice cube is a kind of solid -> an ice <mask> is solid in its physical state
cube