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magnesium is a flammable substance & flammability is a property of substance and includes values of flammable / inflammable -> magnesium is a substance that is flammable | 1 |
magnesium is a substance that is flammable & if a substance is flammable , it can burn -> magnesium can burn | 1 |
an example of a chemical property is the elements making up a compound & water is a kind of compound -> an example of chemical property is the elements making up water | 1 |
an example of chemical property is the elements making up water & water is made of hydrogen and oxygen -> a chemical property of water is that it is made of hydrogen and oxygen | 1 |
a chemical property of water is that it is made of hydrogen and oxygen & a compound can be chemically separated into the elements that it is made of -> water can be separated into hydrogen and oxygen | 1 |
a compound being broken down is a kind of chemical change & a compound can be chemically separated into the elements that it is made of -> a compound can only be separated into the elements by chemical change | 1 |
a compound can only be separated into the elements by chemical change & when two substances together form a compound then those substances cannot be physically separated -> a compound can only be broken down in chemical change but not physcial changes | 1 |
gold is a pure substance & a pure substance is made up of only one kind of atom -> gold is only made of gold atoms | 1 |
lighting a match causes that match to burn & fire causes burning -> lighting a match is when a fire causes the match to burn | 1 |
lighting a match is when a fire causes the match to burn & fire causes chemical change -> lighting a match is an example of chemical change | 1 |
hydrogen is a kind of element & oxygen is a kind of element -> hydrogen and oxygen are different elements | 1 |
hydrogen and oxygen are different elements & an element is a kind of substance -> hydrogen and oxygen are different substances | 1 |
hydrogen and oxygen are different substances & water is a kind of substance -> hydrogen, oxygen, and water are different substances | 1 |
electrical energy is added to water & hydrogen is produced when electrical energy is added to water -> electrical energy causes hydrogen to form from water | 1 |
oxygen is produced when electrical energy is added to water & electrical energy is added to water -> electrical energy causes oxygen to form from water | 1 |
electrical energy causes hydrogen to form from water & electrical energy causes oxygen to form from water -> electrical energy causes hydrogen and oxygen to form from water | 1 |
hydrogen, oxygen, and water are different substances & electrical energy causes hydrogen and oxygen to form from water -> electrical energy causes different substances to form from water | 1 |
electrical energy causes different substances to form from water & chemical changes cause different substances to form -> electrical energy causes chemical change to the water | 1 |
lemon juice contains acid & milk contains proteins -> adding lemon juice to milk is similar to combining acid and protein together | 1 |
adding lemon juice to milk is similar to combining acid and protein together & combining acid and protein can cause chemical change -> adding lemon juice to milk can cause chemical change | 1 |
carbon dioxide is a new substance produced by sodium bicarbonate under proper conditions & chemical reactions cause new substances to form -> sodium bicarbonate releasing carbon dioxide under proper conditions is a chemical reaction | 1 |
sodium bicarbonate releasing carbon dioxide under proper conditions is a chemical reaction & an example of a chemical property is how a material reacts chemically -> releasing carbon dioxide under proper conditions is a kind of chemical property of sodium bicarbonate | 1 |
flammability is a kind of chemical property & flammability is a property of matter -> flammability is a chemical property of matter | 1 |
a beach ball is a kind of container & if a flexible container is pushed on then that container will change shape & a beach ball is flexible -> if a beach ball is pushed on, then the shape of the beach ball will change | 1 |
if a beach ball is pushed on, then the shape of the beach ball will change & the beach ball is pushed on the middle -> the shape of the beach ball will change | 1 |
matter in the gas phase has variable shape & air is a kind of matter & air is in gas phase -> air is a matter that has variable shape | 1 |
air is a matter that has variable shape & matter with variable volume and shape takes the shape and size of its entire container -> air takes the shape of its container | 1 |
air takes the shape of its container & a beach ball is a kind of container & the beach ball is filled with air -> air takes the shape of the beach ball | 1 |
the shape of the beach ball will change & air takes the shape of the beach ball -> the shape of the air in the beach ball will change with the shape of the beach ball | 1 |
iron is a kind of solid & iron nails are made of iron -> iron nails are solid | 1 |
iron nails are solid & state of matter is a property of substance includes values of solid / liquid / gas -> iron nails are solid in state of matter | 1 |
iron is a kind of metal & iron nails are made of iron -> iron nails are made of metal | 1 |
iron nails are made of metal & a thermal energy conductor conducts heat & metal is a thermal energy conductor -> iron nails can conduct heat | 1 |
iron is always magnetic & iron nails are made of iron -> iron nails are magnetic | 1 |
iron nails are solid in state of matter & iron nails can conduct heat & iron nails are magnetic -> iron nails can conduct heat and are magnetic and are solid | 1 |
a pencil is a kind of object & sharpening a pencil changes the shape of the pencil -> sharpening a pencil changes the shape of an object | 1 |
paper is a kind of object & tearing paper changes the shape of the paper -> tearing paper changes the shape of an object | 1 |
sharpening a pencil changes the shape of an object & tearing paper changes the shape of an object -> sharpening a pencil and tearing paper both change the shape of the object | 1 |
sharpening a pencil and tearing paper both change the shape of the object & shape is a property of the appearance of an object -> sharpening a pencil and tearing paper both change the appearance of the object | 1 |
sharpening a pencil and tearing paper both change the appearance of the object & appearance is a kind of physical property -> sharpening a pencil and tearing paper both change the physical property of the object | 1 |
sharpening a pencil and tearing paper both change the physical property of the object & if something undergoes a physical change then the physical properties of that something will change -> pencil and paper underwent a physical change | 1 |
water is a kind of substance & the molecules of a substance cannot move easily past each other in solid state -> the molecules of water cannot move easily past each other in solid state | 1 |
the molecules of water cannot move easily past each other in solid state & water changes into a phase where the molecules cannot move easily past each other -> water changes into solid state | 1 |
water changes into solid state & a phase change is when a substance changes from one state of matter into another state of matter & solid is a kind of state of matter -> water undergoes a phase change | 1 |
water undergoes a phase change & an example of a physical change is a phase change -> water undergoing a phase change is an example of physical change | 1 |
water undergoing a phase change is an example of physical change & if something undergoes physical change then the chemical properties of that something will remain unchanged -> the chemical properties of water will remain unchanged | 1 |
the chemical properties of water will remain unchanged & being a compound or an element is a chemical property of substances -> water being a compound or an element will remain unchanged | 1 |
water being a compound or an element will remain unchanged & water is a kind of compound -> water being a compound will remain unchanged | 1 |
the water pipe freezes & freezing is a kind of phase change -> the water pipe undergoes a phase change | 1 |
the water pipe undergoes a phase change & a phase change is a kind of physical change -> the water pipe undergoes a physical change when it freezes | 1 |
an example of a physical change is breaking an object & cracking is a kind of breaking -> an object cracking is a kind of physical change | 1 |
an object cracking is a kind of physical change & a water pipe is a kind of object -> the water pipe cracking is a kind of physical change | 1 |
the water pipe undergoes a physical change when it freezes & the water pipe cracking is a kind of physical change & a water pipe freezes and cracks on a cold night -> the water pipe freezing and cracking is an example of physical change | 1 |
the water pipe freezing and cracking is an example of physical change & chemical change is the opposite of physical change -> the water pipe freezing and cracking is an example of physical change but not a chemical change | 1 |
glass is a kind of object & breaking down an object changes that object 's shape -> breaking a glass changes the shape of the glass | 1 |
breaking a glass changes the shape of the glass & shape is a kind of physical property -> breaking a glass changes the physical property of the glass | 1 |
breaking a glass changes the physical property of the glass & if something undergoes a physical change then the physical properties of that something will change -> breaking a glass is an example of a glass undergoing a physical change | 1 |
heat means temperature increases & a solid is heated -> the temperature of the solid increases | 1 |
the temperature of the solid increases & a solid is a kind of substance -> the temperature of the solid substance increases | 1 |
the temperature of the solid substance increases & as the temperature of a substance increases , the molecules in that substance will move faster -> the molecules in the solid substance moves faster | 1 |
the molecules in the solid substance moves faster & faster means an increase / higher in speed -> the molecules in the solid substance increases in speed | 1 |
solid is a kind of state of matter & gold is a kind of solid -> gold is in solid state | 1 |
mercury is liquid at room temperature & liquid is a kind of state of matter -> mercury is in liquid state | 1 |
gold is in solid state & mercury is in liquid state -> gold and mercury are in different states of matter | 1 |
gold and mercury are in different states of matter & state of matter is a kind of physical property -> gold and mercury are different in a physical property | 1 |
shape is a kind of physical property & breaking a bottle changes the shape of the bottle -> breaking a bottle changes the physical property of the bottle | 1 |
breaking a bottle changes the physical property of the bottle & if a thing's physical properties change then it has undergone a physical change -> the bottle undergoes a physical change | 1 |
crumpling is a kind of change of shape action & change of shape actions change the shape of an object -> crumpling changes the shape of an object | 1 |
crumpling changes the shape of an object & a sheet of paper is a kind of object -> crumpling changes the shape of a sheet of paper | 1 |
state of matter is a kind of physical property & solid is a kind of state of matter -> solid is a kind of physical property | 1 |
solid is a kind of physical property & a mineral is a kind of solid material -> being solid is a physical property of a mineral | 1 |
neutralization is when an acid reacts with a base & neutralization produces water and salt -> neutralization is when an acid reacts with a base and produces water and salt | 1 |
an atom is a kind of particle & matter is made of atoms -> matter is made of particles called atoms | 1 |
electrons are a part of an atom & a electron has a negative -1 electric charge -> electrons are part of an atom that has negative charge | 1 |
the mass of the atom is determined by protons and neutrons & the nucleus of an atom is made of protons and neutrons -> most of the mass of an atom is located in the nucleus | 1 |
mercury is made of mercury atoms & atom is a kind of particle -> mercury is made of atom particles | 1 |
mercury is made of atom particles & particles in a solid are closer together than particles in a liquid & mercury changes from liquid state to solid state -> mercury atoms move closer together | 1 |
mercury is made of mercury atoms & atom is a kind of particle -> mercury is made of atom particles | 1 |
mercury is made of atom particles & particles in a liquid have more kinetic energy than particles in a solid & mercury changes from liquid state to solid state -> mercury atoms have less kinetic energy | 1 |
mercury atoms move closer together & mercury atoms have less kinetic energy -> mercury atoms have less kinetic energy and move closer together | 1 |
atomic mass is determined by the sum of protons and neutrons numbers in an atom & protons are a kind of subatomic particle & neutrons are a kind of subatomic particle -> atomic mass is determined by the sum of protons and neutrons particle numbers | 1 |
an atom is a kind of object & losing / gaining electrons causes the electrical charge of an object to be unbalanced -> losing or gaining electrons causes the electrical charge of an atom to be unbalanced | 1 |
protons are found in the nucleus of an atom & a proton has a positive 1 electric charge -> protons are found in the nucleus of an atom and are positvely charged | 1 |
atoms with one or two valence electrons tend to lose those electrons & metal atoms usually have one or two valence electrons -> metal atoms tend to lose electrons | 1 |
metal atoms tend to lose electrons & an ion with positive charge is formed by atom losing electrons -> metal atoms losing electrons will form ions with positive charge | 1 |
one neutron has one atomic mass unit & the nucleus of an atom is usually made of both protons and neutrons -> neutrons add mass to the nucleus | 1 |
nucleus is a part of an atom & if something is part of another thing, then another thing consist of that something -> an atom consists of a nucleus | 1 |
an atom consists of a nucleus & electrons surround / orbit the nucleus of an atom -> an atom consists of a nucleus surrounded by electrons | 1 |
a proton has a positive 1 electric charge & an electron has a negative -1 electric charge -> equal numbers of protons and electrons result in a neutral 0 electric charge | 1 |
equal numbers of protons and electrons result in a neutral 0 electric charge & a neutron has a neutral electric charge -> equal numbers of protons and electrons and any number of neutrons result in a neutral 0 electric charge | 1 |
equal numbers of protons and electrons and any number of neutrons result in a neutral 0 electric charge & an atom is made of protons / neutrons / electrons -> if an atom has an equal number of protons and electrons, then the atom will have a neutral charge | 1 |
if an atom has an equal number of protons and electrons, then the atom will have a neutral charge & an normal atom has a neutral electric charge -> that atom has an equal number of protons and electrons | 1 |
the nucleus is the center of an atom & electrons orbit the nucleus of an atom -> electrons orbit the center of an atom | 1 |
electrons orbit the center of an atom & electrons are a part of an atom -> electrons are part of an atom that orbit the center of an atom | 1 |
a neutron has a neutral electric charge & one neutron has one atomic mass unit -> a neutron is neutral in electric charge and has one atomic mass unit | 1 |
a neutron is neutral in electric charge and has one atomic mass unit & neutrons are a kind of subatomic particle -> a neutron is a particle that is neutral in electric charge and has one atomic mass unit | 1 |
an atom is positive 1 in electric charge & if a neutral atom loses an electron then an atom with a positive charge will be formed -> the atom loses an electron | 1 |
a proton has a positive 1 electric charge & a neutron has a neutral 0 electric charge -> protons and neutrons together will be positive in electric charge | 1 |
protons and neutrons together will be positive in electric charge & the nucleus of an atom is made of protons and neutrons -> the nucleus of an atom is positve in electric charge | 1 |
the nucleus of an atom is positve in electric charge & the nucleus is the center of an atom -> the positive charge is concentrated in the center of an atom | 1 |
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