sentences stringlengths 9 187 | label int64 0 1 |
|---|---|
chemical reactions cause new materials to form | 1 |
chemical change is a kind of chemical reaction | 1 |
fire is a kind of chemical reaction | 1 |
paper burns | 1 |
fire causes burning | 1 |
chemical reactions cause chemical change | 1 |
magnesium is flammable | 1 |
flammability is a property of substance and includes values of flammable / inflammable | 1 |
magnesium is a kind of substance | 1 |
if a substance is flammable , it can burn | 1 |
an example of a chemical property is the elements making up a compound | 1 |
water is made of hydrogen and oxygen | 1 |
a compound can be chemically separated into the elements that it is made of | 1 |
water is a kind of compound | 1 |
when two substances together form a compound then those substances cannot be physically separated | 1 |
a compound being broken down is a kind of chemical change | 1 |
a compound can be chemically separated into the elements that it is made of | 1 |
gold is a pure substance | 1 |
a pure substance is made up of only one kind of atom | 1 |
lighting a match causes that match to burn | 1 |
fire causes chemical change | 1 |
fire causes burning | 1 |
oxygen is produced when electrical energy is added to water | 1 |
water is a kind of substance | 1 |
electrical energy is added to water | 1 |
an element is a kind of substance | 1 |
chemical changes cause different substances to form | 1 |
hydrogen is produced when electrical energy is added to water | 1 |
hydrogen is a kind of element | 1 |
oxygen is a kind of element | 1 |
combining acid and protein can cause chemical change | 1 |
lemon juice contains acid | 1 |
milk contains proteins | 1 |
an example of a chemical property is how a material reacts chemically | 1 |
carbon dioxide is a new substance produced by sodium bicarbonate under proper conditions | 1 |
chemical reactions cause new substances to form | 1 |
flammability is a kind of chemical property | 1 |
flammability is a property of matter | 1 |
matter in the gas phase has variable shape | 1 |
the beach ball is pushed on the middle | 1 |
a beach ball is a kind of container | 1 |
matter with variable volume and shape takes the shape and size of its entire container | 1 |
air is a kind of matter | 1 |
if a flexible container is pushed on then that container will change shape | 1 |
the beach ball is filled with air | 1 |
air is in gas phase | 1 |
a beach ball is flexible | 1 |
state of matter is a property of substance includes values of solid / liquid / gas | 1 |
a thermal energy conductor conducts heat | 1 |
iron is a kind of solid | 1 |
metal is a thermal energy conductor | 1 |
iron is a kind of metal | 1 |
iron is always magnetic | 1 |
iron nails are made of iron | 1 |
paper is a kind of object | 1 |
a pencil is a kind of object | 1 |
if something undergoes a physical change then the physical properties of that something will change | 1 |
tearing paper changes the shape of the paper | 1 |
shape is a property of the appearance of an object | 1 |
appearance is a kind of physical property | 1 |
sharpening a pencil changes the shape of the pencil | 1 |
a phase change is when a substance changes from one state of matter into another state of matter | 1 |
water is a kind of substance | 1 |
the molecules of a substance cannot move easily past each other in solid state | 1 |
being a compound or an element is a chemical property of substances | 1 |
an example of a physical change is a phase change | 1 |
if something undergoes physical change then the chemical properties of that something will remain unchanged | 1 |
water is a kind of compound | 1 |
water changes into a phase where the molecules cannot move easily past each other | 1 |
solid is a kind of state of matter | 1 |
an example of a physical change is breaking an object | 1 |
a water pipe is a kind of object | 1 |
a water pipe freezes and cracks on a cold night | 1 |
a phase change is a kind of physical change | 1 |
the water pipe freezes | 1 |
chemical change is the opposite of physical change | 1 |
cracking is a kind of breaking | 1 |
freezing is a kind of phase change | 1 |
glass is a kind of object | 1 |
breaking down an object changes that object 's shape | 1 |
shape is a kind of physical property | 1 |
if something undergoes a physical change then the physical properties of that something will change | 1 |
a solid is a kind of substance | 1 |
faster means an increase / higher in speed | 1 |
as the temperature of a substance increases , the molecules in that substance will move faster | 1 |
heat means temperature increases | 1 |
a solid is heated | 1 |
mercury is liquid at room temperature | 1 |
solid is a kind of state of matter | 1 |
state of matter is a kind of physical property | 1 |
liquid is a kind of state of matter | 1 |
gold is a kind of solid | 1 |
if a thing's physical properties change then it has undergone a physical change | 1 |
shape is a kind of physical property | 1 |
breaking a bottle changes the shape of the bottle | 1 |
crumpling is a kind of change of shape action | 1 |
change of shape actions change the shape of an object | 1 |
a sheet of paper is a kind of object | 1 |
a mineral is a kind of solid material | 1 |
state of matter is a kind of physical property | 1 |
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