Matter and Change Review

3. the knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws or principles that can be verified and tested
9. a type of mixture that is uniform in composition, has same proportion of components throughout
13. separates solids from liquids by using a porous barrier
14. organizes elements by their chemical properties
15. anything that has mass and takes up space
17. chemistry that studies the identification of the components and composition of materials
18. a blend of two or more kinds of matter, each of which retains its own identity and properties
19. separates substances based on their movement through a special paper
21. vertical columns on the periodic table
22. a type of mixture that is not uniform throughout
23. pure substance that cannot be broken down into simpler, stable substances and is made of one type of atom
25. a change in which one or more substances are changed into different substances
26. can be rolled or hammered into sheets
28. atoms lose electrons and become charged
29. does not have a definite volume or a definite shape
30. definite volume and definite shape
31. chemistry that studies carbon-containing compounds
34. a type of homogeneous mixture

1. a change in which the substance does not change in identity
2. chemistry that studies substances and process in living things
4. substance that can be broken down into simpler stable substances, each is made from the atoms of tow or more elements that are chemically bonded
5. can be drawn into a wire because of their high tensile strength
6. separates substances on the basis of the boiling points of the substances
7. a substance that has a definite composition
8. chemistry that studies the properties and changes of matter and their relation to energy
10. property of matter that does depend on the amount of matter
11. formed by a chemical reaction
12. separates liquids on the basis of their densities
14. horizontal rows on the periodic table
16. chemistry that studies non-organic substances
20. chemistry that uses mathematics and computers to understand the principles behind observed chemical behavior and to design and predict the properties of new compounds
24. the starting substance that reacts
25. the study of the composition, structure, and properties of matter, the processes that matter undergoes, and the energy changes that accompany these processes
27. smallest unit of an element that maintains the chemical identity of the element
32. a property that does not depend on the amount of matter
33. definite volume, indefinite shape