1
A state of matter, such as water when you can pour it
liquid
A special kind of mixture where you cannot tell the different parts from each other
solution
To pay close attention to something
observe
A test used to discover new information
experiment
A very tiny thing, sometimes too small to be seen
particle
A state of matter, such as water when it is steam
gas
Something you can observe about an object or material
property
When one substance mixes with another and it looks like it disappears, such as sugar mixing in tea
dissolve
A combination of two or more things
mixture
Different forms of matter that include solid, liquid, and gas
matter
A material that has specific properties
substance
A type of gas that plants sometimes take in a that animals release when the breathe
carbon dioxide
Anything that takes up space, can be in different forms such as solid, liquid, or gas
states of matter
A substance that is usually sour, such as vinegar or orange juice
acid
Information that can be used to support of reject an idea
evidence
When something burst outwards
explosion
A type of gas that animals use to breathe and that plants release
oxygen
A process where one or more substances form a new substance
chemical reaction
A name for people in the past who studied the combination of chemicals
alchemist
combine two or more things
mix