Alexa
How heat changes matter
May 2001
Table of Contents:
This is my webpage on How Heat Changes Matter. I will be telling you about the changes of State (solid, liquid and gas), evaporation, condensation, melting, freezing and Physical and chemical changes.
Physical Change: A physical change is when you change something or something happens that it is still that same thing. Example: If you broke a pencil in half it still would be a pencil. Another example would be raining because when it rains the water evaporates in tiny water droplets and then the tiny droplets form bigger droplets and it will rain again.
Chemical Change: A chemical change is when you would do something to a building or something and you could not change it back. Example: If you demolished a building that would be considered a chemical change. Another example would be leaving milk out of the fridge ffor two days it would turn sour and you would not be able to change it back to what it was before. That would be called a chemical change.
Freezing is when you would fill up an ice tray and you would put the ice tray in the freezer and leave it there for 2-4 hors it would be ice.
Formula: liquid to solid
Melting is when you leave a pile of ice cubes outside on the front step on a hot day and the ice cubes would melt into small puddles of water.
Formula: solid to liquid
Condensation is when you put a cold glass of water outside on a very hot day and the air around the glass makes little water droplets on the side of the glass.
Formula: gas to liquid
Evaporation is when it rains and it makes puddles outside. Then the puddles evaporate and tiny water droplets rise to the sky. Then the tiny water droplets form bigger droplets an it will rain again.
Formula: liquid to gas
This is the experiment after C02 was created.