Sunday, October 23, 2011

Atoms and Elements Week 2 (science vocabulary)

Atoms and Elements Week 2 (science vocabulary)

1. chemical property- a trait that involves the way a substance combines with other substances to form new substances

2. mixture- a combination of two or more different substances

3. physical property- a trait such as color, shape, hardness- that describes a substance

4. metal-a substance that transfers heat and electricity well and is malleable

5. nonmetal- a substance that does not transfer heat and electricity well and is not malleable

6. alloy-a solid solution in which metal or a nonmetal dissolves in metal

7. metalloid- a substance that has some of the properties of a metal and some of a nonmetal

8. acid- a chemical compound that has a ph less than 7, it turns blue litmus paper red

9. base- a chemical compound that has a ph more than 7, it turns red litmus paper blue

10. salt- is the product that occurs when an acid and base react

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