sentences stringlengths 9 187 | label int64 0 1 |
|---|---|
elements in carbon family have four valence electrons | 1 |
if the elements are in the same family , then the elements will share the same number of valence electrons | 1 |
the chemical symbol for potassium is k | 1 |
sodium and potassium belong to alkali metals , group 1 on the periodic table | 1 |
the chemical symbol for sodium is na | 1 |
mercury is liquid at room temperature | 1 |
metals are usually solid at room temperature | 1 |
mercury is a kind of metal | 1 |
argon is a kind of element | 1 |
argon is a kind of nonmetal | 1 |
nonmetals usually have lower conductivity | 1 |
boiling means matter / a substance changes from a liquid into a gas by increasing heat energy | 1 |
water is in the liquid state , called liquid water , for temperatures between 0 c and 100 c | 1 |
water is in the gas state , called water vapor / steam, for temperatures above 100 c | 1 |
water is a kind of substance | 1 |
water is a kind of substance | 1 |
boiling means matter / a substance changes from a liquid into a gas by increasing heat energy | 1 |
the boiling point of water is 100c | 1 |
water is a kind of liquid | 1 |
the highest temperature a liquid can reach is it's boiling point | 1 |
if a thermal conductor is exposed to a source of heat then that conductor may become hot | 1 |
the pot is exposed to a stove | 1 |
metal is a thermal energy conductor | 1 |
a pot is made of metal for cooking | 1 |
a pot is a kind of object | 1 |
heating means adding heat | 1 |
a pot contains water | 1 |
a stove is a source of heat | 1 |
boiling happens when liquids are heated above their boiling point | 1 |
a pot is a kind of container | 1 |
water is a kind of liquid at room temperature | 1 |
if a container contains something then that container touches that something | 1 |
if an object is hot and it touches something, that something will increase temperature by absorbing heat energy from the object | 1 |
boiling means matter / a substance changes from a liquid into a gas by increasing heat energy | 1 |
water is a kind of substance | 1 |
water is in a boiling process | 1 |
as the temperature of a substance increases , the molecules in that substance will move faster and farther apart | 1 |
temperature is a measure of heat energy | 1 |
boiling means a substance changes from a liquid into a gas by increasing heat energy | 1 |
boiling happens when liquids are heated above their boiling point | 1 |
a liquid is a kind of substance | 1 |
evaporating is a kind of phase change | 1 |
temperature is a measure of heat energy | 1 |
temperature changing can cause phase changes | 1 |
condensing is a kind of phase change | 1 |
water is in the gas state , called water vapor | 1 |
condensing means a substance changes from a gas into a liquid by decreasing heat energy | 1 |
water is a kind of substance | 1 |
dew is formed when water vapor condenses over night | 1 |
water is in the liquid state , called liquid water | 1 |
water is a kind of substance | 1 |
condensing means matter / a substance changes from a gas into a liquid by decreasing heat energy | 1 |
water is in the gas state , called water vapor / steam | 1 |
condensation is a kind of process | 1 |
water is a kind of substance | 1 |
condensation is when a substance changes from a gas into a liquid by decreasing heat energy | 1 |
as the temperature of a substance decreases , the molecules in that substance will move slower and closer together | 1 |
the water changes from steam to liquid | 1 |
steam is a kind of gas | 1 |
the water is absorbing sunlight | 1 |
evaporation means a substance changes from a liquid into a gas by increasing heat energy | 1 |
if a substance absorbs solar energy then that substance will increase in temperature | 1 |
temperature is a measure of heat energy | 1 |
water is a kind of substance | 1 |
boiling causes the volume of a liquid to decrease | 1 |
the water was boiled | 1 |
water is a kind of liquid at room temperature | 1 |
temperature is a measure of heat energy | 1 |
if a substance absorbs solar energy then that substance will increase in temperature | 1 |
if something is in the sunlight then that something will absorb solar energy | 1 |
a puddle is a kind of body of water | 1 |
a puddle is in the sunlight | 1 |
evaporation means a substance changes from a liquid into a gas by increasing heat energy | 1 |
water is a kind of substance | 1 |
if something is in the sunlight then that something will absorb solar energy | 1 |
a bucket of water is in the sunlight | 1 |
if a substance absorbs solar energy then that substance will increase in temperature | 1 |
evaporation means a substance changes from a liquid into a gas by increasing heat energy | 1 |
water is a kind of substance | 1 |
as the amount of heat energy of a substance increases , the amount of kinetic energy will increase | 1 |
evaporation means a substance changes from a liquid into a gas by increasing heat energy | 1 |
the kinetic energy of water molecules are increasing | 1 |
water is a kind of liquid | 1 |
a wet towel exists | 1 |
a towel is a kind of object | 1 |
heating the wet towel will also heat the things it contains | 1 |
evaporation means a substance changes from a liquid into a gas by increasing heat energy | 1 |
absorbing sunlight causes objects to heat | 1 |
a wet towel is a kind of object | 1 |
drying means the amount of liquid decreases | 1 |
a wet object contains water | 1 |
evaporation causes amount of liquid to decrease | 1 |
heating means increasing heat energy | 1 |
the wet towel is in the sun | 1 |
if an object is in the sunlight then that object will absorb solar energy | 1 |
evaporation means a substance changes from a liquid into a gas by increasing heat energy | 1 |
temperature is a measure of heat energy | 1 |
if something is outside during the day then that something will receive sunlight | 1 |
puddles of water are outside during the day | 1 |
if something receives sunlight, it will increase in temperature | 1 |
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