Term
| What are the three phases of matter? |
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Definition
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Term
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Definition
| Matter is anything that has mass and takes up space. |
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Term
| What does the term matter refer to? |
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Definition
| All of the materials, the "stuff", that makes up the universe. |
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Term
| What are the two properties of matter? |
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Definition
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Term
| How is plasma, the fourth phase of matter, formed? |
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Definition
| Gas molecules break down and form plasmas at 1,000,000°C. |
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Term
| Where can you find temperatures of 1,000,000°C that are occuring naturally? |
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Definition
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Term
| What are the two main catergories that matter can be divided into? |
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Definition
| Pure substances and mixtures. |
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Term
| What are elements and compounds examples of, in terms of matter? |
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Definition
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Term
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Definition
| An element is a substance that is made up of only one type of atom. |
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Term
| What are oxygen, chlorine, silver, and hydrogen all examples of? |
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Definition
| They are all examples of elements. |
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Term
| How many elements are currently known? |
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Definition
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Term
| How many elements occur in nature and are found in abundance on the earth? |
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Definition
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Term
| How are man-made elements synthesized? |
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Definition
| In the lab by means of nuclear reaction. |
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Term
| As opposed to elements, what are compounds composed of? |
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Definition
| Different types of atoms. |
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Term
| How many elements are compounds made up of? |
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Definition
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Term
| The different compounds in a compound combine in ______ ______. |
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Definition
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Term
| True or false: Atoms from individual elements retain their identities when forming a compound. |
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Definition
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Term
| How many different substances are mixtures made of? |
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Definition
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Term
| True or false: The different components of a mixture retain their identities when combined. |
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Definition
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Term
| Homogenous and heterogenous are the two ways to describe what? |
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Definition
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Term
| What is another name for a homogenous mixture? |
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Definition
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Term
| True or false: A homogenous mixture has uniform composition throughout itself. |
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Definition
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Term
| In a homogenous mixture, can the two or more components be easily distinguished from one another? |
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Definition
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Term
| True or false: In heterogenous mixtures, the substances are easily confused with one another. |
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Definition
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