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Eureka 53-58
Final Eureka quiz
Question | Answer |
---|---|
What are the 3 phases (states) of matter that naturally exist on the planet Earth? | Solid, liquid and gas |
What are the characteristics of solids? | Has definite volume and definite shape |
What are the characteristics of liquids? | has definite volume and no definite shape |
What are the characteristics of gases? | No definite shape and no definite volume |
How do the molecules of solids move? | Closely packed regular arrangement and do not move much |
How do the molecules of liquids move? | Molecules are close together and move freely but slowly |
How do the molecules of gases move? | Molecules are widley spread out and move rapidly |
These phase changes require energy to be added | solid to liquid and liquid to gas |
These phase changes require energy to be removed | liquid to solid and gas to liquid |
What does malleable mean? | Can be pounded into sheets, shaped and formed |
What does ductile mean? | Can be bent easily and twisted into wires |
What are the properties of metals? | Shiny, silver-gray, conduct heat and electricity, ductile and malleable |
What are the properties of non metals? | Dull, brittle, poor conductor of heat or electricity, not malleable |