Matter Review

4. Features of all matter that can be observed and measured without changing the chemical composition of the substance.
9. A change in matter in which the arrangement of atoms are changed and an entirely new substance is formed.
10. Particles are very close together.
11. The amount of space something takes up.
12. Capable of being attracted by or acquiring the properties of a magnet.
14. Branch of science that deals with the properties, composition, and structure of elements and compounds, how they can change, and the energy that is released or absorbed when they change.
15. The amount of matter in an object.
17. A substance consisting of atoms or ions of two or more different elements in definite proportions joined by chemical bonds; cannot be physical separated.
18. Has definite volume but no definite shape.
19. The amount of mass in something.
21. Group of atoms bonded together.
23. Element with properties of metals and nonmetals.
25. Element that conducts heat and electricity poorly.

1. Substance has a definite volume but not a definite shape.
2. Cannot be separated into simpler substance by physical or chemical means.
3. Matter cannot be created or destroyed however matter can change forms, says this law.
5. Substance with only one type of particle.
6. The property of a substance that is observed during a chemical change.
7. Particles collide very often.
8. A change in which only the appearance or form of matter changes and not its chemical properties.
13. Representation of a chemical reaction in the form of symbols and formula.
16. Something that can flow freely and mix together easily.
20. Element that is shiny and conducts heat and electricity.
22. The amount of mass per unit of volume.
24. Basic unit of an element.