1. Key Vocabulary Matter and changes Mixtures Atoms Periodic Table PotpourriAcids and Bases States of Matter 100 200 300 400 100 200 300 400

2. These substances contain only 1 atom. Element 100

3. All matter is made of these. Atoms 100

4. This type of matter consists of 2 or more substances NOT chemically combined. Mixture. 100

5. This part of the atom has a positive charge. Proton 100

6. The modern Periodic Table shows these, arranged in increasing atomic number. Elements 100

7. This is the study of the properties of matter and how matter changes. Chemistry 100

8. These would have a pH value of 0-7. Acids 100

9. The combination of 2 or more atoms. Molecules 200

10. Burning wood is an example of this kind of change. Chemical 200

11. This type of mixture can be separated by gravity. Suspension 200

12. These are found in the nucleus of the atom. Protons and neutrons 200

13. Each element is represented by this (either one or two letters). Symbol 200

14. The atomic weight is a combination of these Protons and neutrons 200

15. Soap and detergents are examples of these. Bases 200

16. 2 or more elements chemically combined in a specific ratio. Compound 300

17. The amount of matter does not change in a chemical reaction. This is the law of conservation of this. Matter 300

18. These variables would make it easier for sugar to dissolve in water at room temperature. Crushed sugar cube and stirring the water. 300

19. These parts of the atom move around the nucleus. Electrons. 300

20. Water is not found on the Periodic Table of Elements because water is this. Compound 300

21. This part of an atom has a negative charge. Electron 300

22. This has a pH of 7. Distilled water 300

23. Pure matter that is always the same in composition. Substance 400

24. Cutting a piece of wood into smaller pieces is this type of change. Physical 400

25. When you add so much solute that no more dissolves, you have this. Saturated solution 400

26. The atomic number is the same as these 2 parts of the atom. Electrons and protons 400

27. This is the elements that are in the same horizontal row in the Periodic table. Period 400

28. A shorter, easier way to show a chemical reaction using symbols. Chemical equation. 400

29. Acids turn litmus paper this color. Red. 400

30. The three states of matter. Solid, liquid and gas 100

31. This state of matter has both a definite volume and definite shape. Solid 200

32. In this state of matter, particles spread apart and fill all the space available. Gas 300

33. Water changes from this state to this state when it is boiled. Liquid to a gas 400