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Types of Change in Matter
by Hannah Johnson
Physical  Changes
Chemical Changes
Phase    Changes
Click on each type of change to learn more...
      Physical           Changes
You know you are looking at a physical change when you observe changes in form, shape, size, phase, or color.
Scientist know that most physical changes can be seen with their eyes, they can also tell if something is a physical change because it will not change the substance's identity.

Some examples of physical changes are...
cutting paper
• breaking a pencil
• crumpling a paper
bending a paperclip
adding salt to water
hammering a nail into your wall.
go to Chemical
go to Phase
    Chemical           Changes
You know you are looking at a chemical change when you can observe light, heat, odor, bubbling or fizzing, a color change, or production of a gas or solid.
Scientist know that most chemical changes can
break and form chemical bonds, cause changes in temperature, and other examples of what we can observe in the above statement.
Some examples of chemical changes are...
burning paper
• rusting iron
• rotting eggs
exploding firework
tarnishing silver
photosynthesis
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go to Phase
Double-click to Add Text
    Phase            Changes
You know you are looking at a chemical change when you can observe light, heat, odor, bubbling or fizzing, a color change, or production of a gas or solid.
Scientist know that most chemical changes can
break and form chemical bonds, cause changes in temperature, and other examples of what we can observe in the above statement.
Some examples of phase changes are...
creating liquid nitrogen (condensing gas into liquid)
• ice melting to water (solid to liquid)
• boiling water (liquid to gas)
freezing water (liquid to solid)
solidified carbon dioxide (dry ice) to carbon dioxide gas (solid to gas)
deposition (gas to solid)
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