click below
click below
Normal Size Small Size show me how
Weyman Sect1.1vocab6
week of 9.12.11 vocab 6th grade pgs 18-27
Question | Answer |
---|---|
Matter | anything that has mass and occupies space. |
Energy | the ability to do work or cause change. |
Chemistry | the study of the properties of matter and how matter changes. |
Substance | a single kind of matter that has distinct physical and chemical properties. |
Physical Property | a characteristic of a substance that can be observed without changing the substance into something else. |
Chemical Property | a characteristic that is observed when a substance interacts with another substance. |
Element | a substance composed of a single kind of atom, that cannot be broken down into other substances by chemical or physical means. |
Compound | a substance in which two or more elements are chemically joined in a set ratio. |
Mixture | two or more substance that are mixed together but not chemically combined. |
Physical Change | a change that alters the form or appearance of a substance but does not make the material into another substance. |
State | the three forms in which matter exists (solid, liquid, gas). |
Chemical Change | a change in matter that produces new substances. |