state of matter

matter can be one of three states''：solid liquid gas

solid gum 固态胶棒

a solid founddation 坚固的基础

liquid液态的，液态

liquid foundation粉底液

liquid soap洗手液

air is a gas

gas stove煤气炉

gas station加油站 gasoline缩写

for example ：water and ice are the same substance，but they are in different states .water is liquid  ice is a solid

when we cool a substance to its freezing point，it becomes a solid

freezing point凝固点

freezing结冰，v

it is freezing cold

at a certain temperature，a solid begins to change into a liquid在某一个温度

change into

for example：for butter,the solid begins to change into a liquid when its temperature rises to above 35 degrees Celsius

a liquid egg change. into a solid when it is cooked

at a certain temperature ，the liquid begins to change into gas

for water，the liquid begins to change into a gas at 100 degress Celsuis

at.  degress Celsuis在……摄氏度的条件下

Fahrenheit华氏度

degree(s）fahrenheit华氏度转换公式华氏度'-32除以1.8等于摄氏度

we need to bake this cake cake at 150degrees C

for water，the solid begins to change into a liquid when its temperature risesto.above 0 degress Celsuis

one degree o degrees 10 degrees -10 degrees 0.5 degrees

to ……表示温度变化到……

rise to ……上升到……

drop to ……下降到……

the temperature will rise to 20 degrees C

for water ，the solid begins to change into  a liquid when its temperature rises to above o degreesC

by表示变化程度

rise by…上升……

drop by…下降……

the temperature will drop by 5degrees C

it's hot today

yeah.the temperature was30 degrees C yesterday.But it has risen to 35degrees C today/but has risen by 5degrees C

take one's temperature

have a fever

the temperature is ……degrees C

for some substance,such as steel,the temperature at which becomes a liquid is much higher at which引导定语从句修饰temperature