2. Write answers on sheet of paper – 13, 16, 17, 20 Write answers for Objective 5 on card! 26, 32, 34

3. Melting Point Freezing Point Solid Liquid Gas Removing Heat (cooling) Condensation Point Boiling Point Adding Heat Phase Change Chart Heat Temperature ( o C) ( o C)

4. 100 200 400 300 400 Choice1Choice 2Choice 3Choice 4 300 200 400 200 100 500 100

5. Row 1, Col 1 H 2 Indicates the number of atoms of the element in a chemical equation. What is a subscript?

6. 1,2 2 2H The number of molecules in a chemical equation. What is a coefficient?

7. 1,3 What state of matter is it that the molecules move very fast? GAS Molecules moving at great speed.

8. 1,4 Condensation When energy is lost from a liquid. What process causes a gas to turn into a liquid?

9. 2,1 Endothermic When energy is absorbed in a chemical reaction. What chemical reaction absorbs energy?

10. 2,2 A chemical reaction that produces energy. What is an exothermic reaction?

11. 2,3 Activation Energy What do chemicals require to start a reaction?

12. 2,4 New substance Produces Gas Energy Change Change of state Color change What are the indicators for a chemical reaction?

13. 3,1 The reactant In a chemical reaction, what does the products have to equal?

14. 3,2 Chemical Change What type of change is it when both the physical and chemical properties are changed?

15. 3,3 Same substance Color Smell Shape Odor Density What are some of the indicators in a physical property?

16. 3,4 What is a endothermic reaction? Chemical Reaction Activation energy ReactantsProducts Heat absorbed

17. 4,1 What is a exothermic reaction? Activation energy Reactants Products Heat released

18. 4,2 What phase change takes away energy? Liquid to a Solid Energy is lost

19. 4,3 What state or matter is electrically charged? Plasma Super charged particles

20. 4,4 3Na + 3AlCl 3NaCl +Al 3 Is this a balanced chemical equation?

21. 5,1 2 Ag + O 2  Ag 2 O Is this an unbalanced chemical equation?

22. 5,2 Radiant Electrical Chemical Thermal Mechanical Nuclear What are the different types of energy?

23. 5,3 Matter cannot be created or destroyed during a chemical or physical reaction. What is the Law of Conversion of Mass?

24. 5,4 Which law states that energy can not be created or destroyed? Law of Conservation of Energy