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freezing means a substance changes from a liquid into a solid by decreasing heat energy & water is a kind of substance
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decreasing heat energy in water will change water from a liquid into a solid
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decreasing heat energy in water will change water from a liquid into a solid & removing heat from water will decrease the heat energy in the water
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removing heat from the water will change water from a liquid to a solid
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removing heat from the water will change water from a liquid to a solid & liquid is a kind of state of matter & liquid is a kind of state of matter
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removing heat from the water will change water from a liquid state to a solid state
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removing heat from the water will change water from a liquid state to a solid state & water is in the liquid state , called liquid water & water is in the solid state , called ice
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removing heat from water will change water from liquid water to ice
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water is in the solid state , called ice & water turns into ice & water is in the liquid state , called liquid water
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water changes from a liquid to a solid
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water changes from a liquid to a solid & freezing means matter / a substance changes from a liquid into a solid by decreasing heat energy
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the water freezes
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the water freezes & freezing is a kind of phase change
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water undergoes a phase change
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water undergoes a phase change & phase changes change the arrangement of molecules in a substance / in a sample
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the arrangement of molecules in water is changed by a phase change
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there is a 100 ml water & there is a 150 ml water & milliliters ml is a metric unit used for measuring volume generally used for values between 1 and 1000
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the 100 ml water and the 150 ml water have different volumes
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the 100 ml water and the 150 ml water have different volumes & volume has no impact on boiling / melting / freezing point
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different volumes have no impact on the freezing point of the 100ml water and 150 ml water
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different volumes have no impact on the freezing point of the 100ml water and 150 ml water & the freezing point of water is 0 c
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the 150 ml water has a freezing point of 0 c
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water is a kind of liquid at room temperature & freezing means a substance changes from a liquid into a solid by decreasing heat energy
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freezing will change the liquid water into solid
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freezing will change the liquid water into solid & particles in a solid have an orderly fixed position
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freezing can change the particles in water to an orderly fixed position
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water is in the solid state , called ice & ice cube is made of ice
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ice cube is made of water in solid state
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ice cube is made of water in solid state & water is a kind of liquid at room temperature
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ice cubes have to be made by changing liquid water to solid ice
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water is a kind of substance & freezing means a substance changes from a liquid into a solid by decreasing heat energy
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water freezing means water changes from a liquid into a solid by decreasing heat energy
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ice cubes have to be made by changing liquid water to solid ice & water freezing means water changes from a liquid into a solid by decreasing heat energy
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ice cubes have to be made by freezing the liquid water
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ice cubes have to be made by freezing the liquid water & freezing is a kind of exothermic process
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making ice cubes is a kind of exothermic process
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water is put into the freezer & a freezer is used for cooling things
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the water will cool in the freezer
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the water will cool in the freezer & liquid water cooling causes that liquid water to freeze
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the water will freeze in the freezer
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the water will freeze in the freezer & freezing means a substance changes from a liquid to a solid
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the water will change to a solid in the freezer
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the water will change to a solid in the freezer & matter in the solid phase has definite shape
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the water will have definite shape after it freezes into a solid
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ice is a kind of solid & ice cube is made of ice
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an ice cube is a kind of solid
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an ice cube is a kind of substance & an ice cube melts & melting means a substance changes from a solid into a liquid by increasing heat energy
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when an ice cube melts, it changes from a solid to a liquid
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the freezing point of water / melting point of water is 32f / 0c / 273k & 0 c is lower than 1538 c & the melting point of iron is 2800f / 1538c / 1811k
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the melting point of water is lower than the melting point of iron
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-2188 c is lower than 0 c & the freezing point of water / melting point of water is 32f / 0c / 273k & the melting point of oxygen is -3618f / -2188c / 544k
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the melting point of oxygen is lower than the melting point of water
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the melting point of water is lower than the melting point of iron & the melting point of oxygen is lower than the melting point of water
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the melting point of oxygen is lower than water and the melting point of water is lower than iron
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ice is a kind of solid & melting means matter / a substance changes from a solid into a liquid by increasing heat energy & ice melts
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ice will change into a liquid when it melts
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matter in the liquid state drips & the wax from a candle drips & wax is a kind of matter
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the dripping wax is in liquid state
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the dripping wax is in liquid state & the wax from candle is usually in solid state
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the wax has changed from a solid state to a liquid state
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the wax has changed from a solid state to a liquid state & melting means matter / a substance changes from a solid into a liquid by increasing heat energy
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the wax from the candle melted
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the wax from the candle melted & melting is when solids are heated above their melting point
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the melting wax has been heated above its melting point
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if something is taken out of a freezer then it's moved to a warmer place & ice cream is left out of a freezer
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the ice cream is moved to a warmer place
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the ice cream is moved to a warmer place & moving an object from a cool place to a warm place causes the object 's temperature to increase
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the ice cream will increase in temperature
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the ice cream will increase in temperature & temperature is a measure of heat energy
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the ice cream will increase in heat energy
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the ice cream will increase in heat energy & melting means matter / a substance changes from a solid into a liquid by increasing heat energy & ice cream is a kind of solid
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the ice cream will melt and change from a solid to a liquid
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a solid object is heated & heating means adding heat
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heat energy is added to the solid object
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heat energy is added to the solid object & melting means matter / a substance changes from a solid into a liquid by increasing heat energy
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the solid object will melt when added heat energy
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a solid is a kind of substance & ice cream is a kind of solid
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ice cream is a solid substance
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ice cream is a solid substance & melting means matter / a substance changes from a solid into a liquid by increasing heat energy & ice cream changes from solid to liquid
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ice cream melts by increasing heat energy
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ice is colder in temperature than water & a waterfall contains water & a glacier is made of ice
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the glacier has the colder water
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water is a kind of liquid at room temperature & water is a kind of substance & freezing means matter / a substance changes from a liquid into a solid by decreasing heat energy
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water will change from a liquid to a solid by decreasing heat energy
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water will change from a liquid to a solid by decreasing heat energy & temperature is a measure of heat energy
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water will change from a liquid to a solid by decreasing the temperature
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water is boiling in the pot & boiling means a substance changes from a liquid into a gas by increasing heat energy & water is a kind of liquid at room temperature
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water changes from a liquid to a gas when it is boiling
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water is a kind of substance & freezing means a substance changes from a liquid into a solid by decreasing heat energy
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decreasing the heat energy of water will change water from a liquid into a solid
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heat is taken away from a container of water & taking heat away from water means decreasing heat energy of the water
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the heat energy of the water in the container is decreasing
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decreasing the heat energy of water will change water from a liquid into a solid & the heat energy of the water in the container is decreasing
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the water in the container will be changed from a liquid to a solid by decreasing heat energy
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temperature changing can cause phase changes & a phase change is when a substance changes from one state of matter into another state of matter
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temperature changing can cause a substance to change from one state of matter into another state of matter
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temperature changing can cause a substance to change from one state of matter into another state of matter & air temperature is a kind of temperature
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a change in air temperature can cause a substance to change from one state of matter into another state of matter
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a change in air temperature can cause a substance to change from one state of matter into another state of matter & water is a kind of substance
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a change in air temperature can cause water to change from one state of matter into another state of matter
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copper is a kind of metal & a metal is usually a solid at room temperature
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copper is a solid at room temperature
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copper is a solid at room temperature & solid is a kind of state of matter
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the state of matter of copper is solid
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an object blocking light causes a shadow & if an object is in the light then that object is blocking the light
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if an object is in the light then the object will cause a shadow
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if an object is in the light then the object will cause a shadow & sunlight is a kind of light
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if an object is in the sunlight then the object will cause a shadow
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if an object is in the sunlight then the object will cause a shadow & a boy is a kind of object
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if a boy is in the sunlight then the boy will cause a shadow
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if a boy is in the sunlight then the boy will cause a shadow & a boy stands in the sunlight
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the boy in the sunlight will cause a shadow
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the boy in the sunlight will cause a shadow & shadow of an object can be seen by eyes
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the boy can see his shadow in the sunlight
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as temperature during the day increases , the temperature in an environment will increase & as the temperature of an environment increase, the objects in the environment will increase in temperature
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as the temperautre of the day increases, the objects in the environment will increase in temperature
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as the temperautre of the day increases, the objects in the environment will increase in temperature & as the temperature of an object increases , the size of that object will increase
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as the temperature of the day increases, the size of the objects in the environment will increase
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as the temperature of the day increases, the size of the objects in the environment will increase & the metal railroad tracks are out during the day & temperature increases during the day
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the size of the metal railroad tracks will increase during the day
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the size of the metal railroad tracks will increase during the day & length is a part of size
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the length of the metal railroad tracks will also increase during the day
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air is a kind of gas & if gas is heated then that gas will expand / rise
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if air is heated then air will expand and rise
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the water is warm & a hot / warm something is a source of heat
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the warm water is a source of heat
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the warm water is a source of heat & a metal lid is put under warm water
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the metal lid is put under a source of heat
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the metal lid is put under a source of heat & if a thermal conductor / an object is exposed to a source of heat then that conductor / that object may become hot / warm
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the metal lid will become hot under the warm water
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the metal lid will become hot under the warm water & if a material is heated , then the material will expand & metal is a kind of material
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the metal lid will expand under the warm water
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the metal lid will expand under the warm water & if the lid of a container expands then that container will be easier to open
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the lid is easier to open because the metal lid expands under the warm water
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substances are made of molecules & gas is a kind of substance
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a gas is made of its molecules
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a gas is made of its molecules & a gas is heated and its temperature increases & as the temperature of a substance increases , the molecules in that substance will move faster / farther apart
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the molecules in the gas will move faster
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as the temperature increases, the particles in the matter will move faster and farther apart & a copper wire is a kind of matter
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as the temperature of the copper wire increases, the particles in the matter will move faster and farther apart
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increasing heat causes thermal expansion & as the heat of an object increases , the mass of the object will stay the same
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the mass of object will stay the same during thermal expansion caused by increasing heat
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the mass of object will stay the same during thermal expansion caused by increasing heat & objects are made of substances
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the mass of substance will stay the same during thermal expansion caused by increasing heat
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water is a kind of object & objects are made of matter
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water is made of matter
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mass is a property of matter & volume is a property of matter
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matter has mass and volume
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matters are made of atoms & objects are made of matter
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objects are made of atoms
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objects are made of atoms & a redwood tree is a kind of object & water is a kind of object & aluminum is a kind of object & a valley quail is a kind of object
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water, redwood trees, aluminum, and valley quails are all made of atoms
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matter is made of atoms & atom is a kind of particle
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matter is made of particles called atoms
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a protractor is a kind of tool & a protractor is used for measuring the angles of a triangular object
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a protractor is the best tool to measure the angles of a triangular object
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a balance is used for measuring mass of a substance & a balance is a kind of instrument
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a balance is an instrument used to measure the mass of a substance
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a balance is an instrument used to measure the mass of a substance & frosting is a kind of substance
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a balance can be used to measure the mass of the frosting
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a rock is a kind of object & mass is a property of objects / matter & comparing a property of two objects requires knowing the property of each object
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comparing the mass of two rocks requires knowing the mass of each rock
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comparing the mass of two rocks requires knowing the mass of each rock & student is trying to compare the mass of two small rocks
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the student has to know the mass of each rock to compare them
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the student has to know the mass of each rock to compare them & a balance is used for measuring mass / weight of an object / of a substance & a balance is a kind of instrument
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the student can use balance to know the mass of each rock to compare them
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a balance is a kind of tool & a balance is used for measuring the mass of an object
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a balance is a kind of tool used for measuring the mass of an object
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a balance is used for measuring the mass of an object & a balance is a kind of tool
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a balance is a kind of tool used for measuring the mass of an object
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weight is the force of gravity acting on an object & a scale is used for measuring weight
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a scale is used for measuring the force of gravity acting on an object
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a scale is used for measuring the force of gravity acting on an object & a student is a kind of object
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a scale is used for measuring the force of gravity acting on the student
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the density of a liquid can be calculated by dividing the mass over volume & a graduated cylinder can measure a liquid's volume & a balance can measure a liquid's mass
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density can be measured using a graduated cylinder and a balance
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density can be measured using a graduated cylinder and a balance & density can be used to predict whether a liquid will float on water or sink under water
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a graduated cylinder and balance can be used to predict whether a liquid will float on water or sink on water
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density can be calculated by measuring the mass of an object divided by the volume of that object & a graduated cylinder is used to measure volume & a balance is used to measure mass
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the density of an object can be measured using a graduated cylinder and a balance
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the density of an object can be measured using a graduated cylinder and a balance & a rock sample is a kind of object
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the density of a rock sample can be measured using a graduated cylinder and a balance
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density can be calculated by measuring the mass of an object divided by the volume of that object & a graduated cylinder is used to measure volume & a balance is used to measure mass
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the density of an object can be measured using a graduated cylinder and a balance
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the density of an object can be measured using a graduated cylinder and a balance & a rock sample is a kind of object
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the density of a rock sample can be measured using a graduated cylinder and a balance
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a graduated cylinder is used to measure volume of an object & a balance is used for measuring the mass of an object & density can be calculated by measuring the mass of an object divided by the volume of that object
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the density of an object can be measured using a graduated cylinder and a balance
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the density of an object can be measured using a graduated cylinder and a balance & a marble is a kind of object
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the density of a marble can be measured using a graduated cylinder and a balance
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a stopwatch is used to measure time & how long something takes to happen is a kind of measurement of time
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a stopwatch can be used to measure how long something takes to happen
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a stopwatch can be used to measure how long something takes to happen & a process takes time to happen
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a stopwatch can be used to measure how long a process takes to happen
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a stopwatch can be used to measure how long a process takes to happen & melting is a kind of process
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a stopwatch can be used to measure how long it takes for melting to happen
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a stopwatch is used to measure time & speed is a measure of distance travelled by an object divided by time & a meter stick is used to measure distance
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the speed of an object can be measured using a meter stick and a stopwatch
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the speed of an object can be measured using a meter stick and a stopwatch & a turtle is a kind of object
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the speed of a turtle can be measured using a meter stick and a stopwatch
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