Term
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Definition
| changing from a liquid to a solid |
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Definition
| changing from a solid to a liquid |
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Definition
| liquid changing to a gas gradually at temperature below boiling |
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Definition
| rapid evaporation at high temperatures; also called vaporization |
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Definition
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Definition
solid changing directly into a gas,
dry ice, shrinking ice cubes in the freezer |
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Term
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Definition
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Definition
| measure of the average KE of a sample of matter |
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Definition
| amount of energy needed to change a Kg of a substance one degree Celcius |
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Term
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Definition
| amount of energy needed to change a solid to a liquid. |
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Term
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Definition
| tiny particles that make up matter are in constant motion. |
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Term
| what does the state of matter depend on? |
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Definition
| amount of kinetic energy (motion) or the particles. |
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Term
| What form of matter is held close by strong atomic forces between particles. |
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Definition
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Term
| What form of matter has a definite shape and volume? |
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Definition
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Term
| What form of matter has particles that are very close together? |
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Definition
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Term
| Which form of matter has enough kinetic energy to flow over and around each other, but not enough to separate completely? |
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Definition
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Term
| Which form of matter doesn't have a definite shape but does have a definite volume? |
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Definition
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Term
| Which form of matter can the particles separate completely? |
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Definition
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Term
| Which form of matter has no definite shape or volume? |
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Definition
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Term
| What element is shiny and a good conductor of heat and electricity |
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Definition
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Term
| What element is dull and a poor conductor? |
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Definition
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Term
| What are gold, silver, and aluminum? |
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Definition
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Term
| What are sulfur, bromine, chlorine, and hydrogen? |
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Definition
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Term
| What element has some that are shiny and some that are dull and is a semiconductor? |
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Definition
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Term
| What is a pure substance composed of 2 or more elements chemically combined? |
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Definition
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Term
| How can compounds be broken into simpler substances? How can they not be broken down? |
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Definition
chemical reaction
physical reaction |
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Term
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Definition
| combination of 2 or more substances that are not chemically combined. |
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Term
| How can mixtures be separated? |
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Definition
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Term
A nuclear reaction is the process that _________________ the _________________
of an atom. |
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Definition
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Term
| During a nuclear reaction, what is released? |
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Definition
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Term
| What does a nuclear reaction produce? |
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Definition
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Term
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Definition
| a large nucleus is split into 2 smaller nuclei |
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Term
| Nuclear Fission releases a large amount of______________/ |
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Definition
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Term
| In Nuclear Fission, what is converted into energy? |
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Definition
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Term
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Definition
| 2 or more nuclei are joined to form a larger nucleus. |
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Term
| Fusion releases large amounts of ___________and requires a high___________________. |
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Definition
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Term
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Definition
| combination of 2 or more substances that are not chemically combined. |
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Term
| Mixtures can be separated by ____________ means. |
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Definition
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Term
| Solutions are also called ____________________ mixtures and are made of extremely __________ particles. |
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Definition
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Term
| Heterogeneous have _____________ to ______________ particles and can be seen with the _____________ __________ |
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Definition
midsize to large
unaided eye |
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Term
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Definition
| liquid mixture with particles large enough to settle out of the solution |
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Term
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Definition
| mixture with midsize particles that don't settle out. |
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Term
| Give 3 examples of a homogeneous solution. |
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Definition
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Term
| Give 3 examples of a heterogeneous mixture. |
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Definition
| trail mix, raison bran, concrete |
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Term
| 2 Examples of a suspension. |
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Definition
| mud puddle, salad dressing |
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