Chapter 10 Crossword Puzzzle

4. Scale divides the interval between the freezing and boiling points of water into 100 degrees.
9. forces Forces between atoms or molecules in a substance that determine the phase of matter.
11. An instrument that measures the exact temperature.
14. point The temperature at which a substance changes from liquid to gas(boiling)or from gas to liquid (condensation).
16. mixture A mixture that is the same throughout. All sample od homogeneous mixture are the same.
18. A phase of matter that holds its volume, does not hold its shape, and flows.
20. Contains a combination of different elements and/or compounds.
21. A phase of matter in which the matter is heated to such a high temperature that some of the atoms being to break apart.

1. scale A temperature scale that starts that starts at absolute zero and has units the same as Celsius degrees.
2. A group of two or more atoms joined together by chemical bonds.
3. energy Energy due to temperature.
5. A pure substance that cannot be broken down into simpler substances by physical or chemical means.
6. mixture is one in which different samples are not necessarily made up of exactly the same proportions of matter.
7. substance cannot be separated into different kinds of matter by physical means such as sorting, filtering, heating, or cooling.
8. Scale, water freezes at 32 degrees and boils at 212 degrees.
10. A phase of matter that holds its shape and does not flow.
12. A substance that contains two or more different elements chemically joined and has the same composition throughout.
13. zero Lowest possible temperature, at which thermal energy is as close to zero as it can be, approximately -273 degrees Celsius.
15. A phase of matter that flows, does not hold its volume, and can expand or contract to fill a container.
17. point The temperature at which a substance changes from solid to liquid (melting) or liquid to solid (condensation).
19. The smallest particle of an element that retains the chemical identity of the element.