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chemcal reactions
| Question | Answer |
|---|---|
| aclchemist | a name for a prson in the past who studied the combination of chemcals |
| mixture | a combination of two or more things |
| gas | a srare of matter such as water when it steama |
| oxygen | a tyep of gas that release and animals breath in |
| matter | anything that takes up space and has weight;can be in different forms such as solid liquid or gas |
| experiment | a test to 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 sugar mixes into tea |
| soulution | a special kind of mixture where you can not tell different parts from each other |
| particle | a very tiny thing sometimes to 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 subsrtance |
| 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 |
| exploision | when something bursts outwards |
| carbon dioxide | a type of gas that plants sometimes take in that animals release when they breathe |
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