Chemical Changes
Science
Things are changing around you
Chemical changes always froms a new substance
even if its plants growing
things are chanigng like material structrue
a reaction that rearranges the particles of two or more substances to create at least one new substance
sugar and water dont create any substance
when u mix butter sugar flower and eggs there is not a way to seperate them
many physical changes can be undone
you cant unbake a cake
and liquid water can be frozen back into ice
when you burn wood the wood turns into a new substance ash.
ice melts and becomes water and water becomes steam
May absorb or release heat
Usually cannot be undone
a physical change
can often be undone
you end up with the same substance you started with
may change state of matter
you can change egg milk flower into a yummy meal
may change shape or size
mixing things together makes a whole new substance
do not form a new substance
Chemical Changes makes smell or gasses