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chemical reaction
| Question | Answer |
|---|---|
| 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 |
| model | a pretend version of something that scientists use when the real thing is too big ,small,or complicated to work with |
| solution | a special kind of mixture where you cannot tell the different parts from each other |
| evidence | information that can be used to support or reject and idea |
| acid | a substance that is usually sour,such as vinegar or orange juice |
| substance | a material that has specific properties |
| invent | to create something new,often and object or way of doing something |
| carbon dioxide | a type of gas that plants sometimes take in and that animals release when they breath |
| 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 animal breathe in |
| experiment | a test used to discover new information about a question |
| dissolve | when one substance mixes with another and it looks like it disappears such as when sugar mixes into tea |
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user-1895219