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Chemical Reactions

QuestionAnswer
alchemist a name for people in the past who studied the combination of chemicals
states of matter the different forms of matter that include solid, liquid, and gas
gas a state of matter, such as water when it is steam
matter anything that takes up space and has weight; can be in different forms such as solid, liquid, or gas
mixture a combination of two or more things
liquid a state of matter, such as water when you can pour it
oxygen a type of gas that plants release and animals breathe in
experiment a test used to discover new information about a question
model a pretend version of something that scientists use when the real thing is too big, small, or complicated to work with
dissolve when one substance mixes with another and it looks like it disappears, such as when sugar mixes into tea
solution a special kind of mixture where you cannot tell the different parts from each other
particle a very tiny thing, sometimes too small to be seen
evidence information that can be used to support or reject an idea
chemical reaction a process where one or more substances form a new substance
acid a substance that is usually sour, such as vinegar or orange juice
observe to pay close attention to something
substance a material that has specific properties
property something you can observe about an object or material
invent to create something new, often an object or a way of doing something
explosion when something bursts outwards
carbon dioxide a type of gas that plants sometimes take in and that animals release when they breathe
Created by: user-1895479
 

 



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