1. Agenda 09-21-2015 1. Homework 2. Introduction 3. Set up Activity 3 4. Activity 3: A Plan to Separate the Mixture

2. Objective Students will be able to: –Design a procedure to separate substances present in a mixture.

3. Purpose Students will be able to: –Apply the new knowledge to separate mixtures safely.

4. Homework Work on science fair project Problem Hypothesis Variables Independent Dependent Controlled

5. What do you already know? Complete the form to show what you already know about the science words of the week.

6. Set Up Activity 3 PRE-LAB: substance, element, compound. Read Introduction (p. A10)

7. Examples of Mixtures

8. Activity 3 –Discussion: “Graphic Organizer: Substances” “Identifying Equipment” Procedure to Separate Mixtures

11. Follow Procedure pp.A11-A12. 1.Observe the unidentified mixture. 2.Record your observations in your journal (Data). Solution A Solution B Long cylinder Short cylinder Red tube Black square

12. Follow Procedure pp.A11-A12. 3. Discuss with your group: –Ways to separate the mixture –Safety precautions –Tools and materials 4. Create a procedure to separate the mixture: 5. Record the procedure (Data). 6. Discuss how to remove any liquid left from the solids. 7. Record any additional steps.

13. Reading Activity In your groups, work with a partner Read “Hazardous World”. Use the words from the “word bank” to complete the blanks. On loose leaf paper, write the numbers 1-13. Write next to each number the word, from the word bank, to complete the passage.

14. Homework Work on science fair project Problem Hypothesis Variables Independent Dependent Controlled