Matter and Change

5. when one or more substances are changes into new substances.
6. 2 or more visibly distinct phases, each phase has very different properties.
7. matter that has a definite composition.
10. anything with mass that occupies space.
11. the smallest unit of an element that maintains the property of that element.
13. change the appearance, without changing the composition of the material.
15. energy energy possessed by an object due to its position, composition or condition.

1. a property that can be observed and measured. without changing the materials composition.
2. only 1 visibly distinct phase, the phase has the same properties throughout.
3. a pure substance made of only one kind of atom, such as carbon.
4. energy of motion.
8. depends on the amount of matter in the sample.
9. depends on the type of matter, not the amount present.
12. have properties of both metals and non-metals.
14. a substance that is made from atoms of two or more elements that are chemically bonded