1. Pure Substances, Mixtures and Solutions

2. Bellringer
Insert Bellringer here

3. Today’s Agenda 1. Bellringer 2. Review : Elements & Compounds
3. Todays’ Objective & Journal Entries
4. Brain-Pop Video
5. Notes
6. Classify This
7. Venn Diagram
8. Exit Slip – Check for mastery

4. Mixtures Solutions Elements- review Compounds - review
Classes of Matter
Mixtures
Solutions
Elements- review
Compounds - review

5. Review- Elements 1. Element
composed of identical atoms and it is in its purest form.
EX: copper, aluminum, oxygen

6. Review- Compounds
2. Compounds are made up of 2 or more different elements.
(cells are classified as compounds too)
Example: water, carbon dioxide, nitrogen oxide , cells

7. Today’s Objective
Benchmark:SC.8.P.8.9
Students will: Analyze the properties of substances to determine if they are mixtures or pure substances.

8. Journal Entries Unit 2 – Lesson 4
Date
Entry
Page Number
Unit 2-Day 4 - Pure Substances, Mixtures, and Solutions
Mixtures / Solutions Notes - RIGHT SIDE
Classify This T-Chart - LEFT SIDE
Exit Slip Questions - RIGHT SIDE
Venn Diagram & Exit Slip Answers - LEFT SIDE

9. Brian Pop
Compounds and Mixtures
Brain teaser question: What is the difference between a compound and a mixture?
Username & Password: palmbeach

10. Classes of Matter
Mixtures
Solutions
Elements
Compounds

11. MIXTURES

12. Vocabulary Mixture Heterogeneous Homogeneous 4. Solution 5. Solvent
6. Solute
Suggestion: Word Wall Activity or another Vocab activity

13. Mixtures 3. Matter that consists of ________________ ________________
two or more substances mixed together but not chemically combined.
Right side notes

14. Mixtures physical means 4. Can be separated by _______ ______.
Ex: Cereal, Sand, Soil, Concrete, Salad Dressing
physical means
Right Side Notes

15. Properties of Mixtures
5. Substances in a mixture keep most of their own properties.
___________
Right Side Notes
Sugar-water

16. Classify these examples as a compound or a mixture:
6. In a mixture: Substances do not change in chemical composition (no new substance is formed)
Classify these examples as a compound or a mixture:
1. Air in the atmosphere:
Mixture: Oxygen, Nitrogen, Carbon Dioxide, etc.

17. Classify these examples as a compound or a mixture:
2. Water
Compound: H2O

18. Classify these examples as a compound or a mixture:
3. Glass
Mixture: Sand super heated

19. Heterogeneous Mixture
7. A mixture that ____________________________________
does not appear to be the same throughout.
Sand and Water
Cereal
Oil and Water
Right Side Notes

20. Sugar Water (Kool-Aid)
Homogeneous Mixture
8. A mixture that appears to be the same throughout.
Remains constantly and uniformly mixed.
Salt Water
Sugar Water (Kool-Aid)
Right Side Notes

21. Solutions best mixed “9. _________” of all mixtures
Not easily separated by physical means
Koolaid,
Lemonade, Salt Water

22. 11. Solvent – the substance that does the dissolving
Solutions
10. Solute –
the substance
that is dissolved
11. Solvent – the substance that does the dissolving
Right Side Notes

23. If I mix sugar into water..
What is the Solute?
What is the Solvent?
Check for understanding: Solute: Sugar, Solvent: Water

24. Pure Substance
12. A pure substance is a chemically combined material that has consistent properties throughout the sample.
Examples (Elements & Compounds): tin, sulfur, diamond, water, pure sugar (sucrose), table salt (sodium chloride) and baking soda (sodium bicarbonate).
Right Side Notes

25. Left Side : Classify This In your journal you will create a T chart to classify each object as either an element, compound, or mixture
Pure Substances
Mixtures
Elements
Compounds
Heterogeneous
Homogenous

26. 1. Oxygen
2. Nitrogen Dioxide
3. Koolaid
5. Blood Cells
4. Salt Water
6. Lemonade
8. Cereal
7. N2

27. Elements Pure Substances Mixtures 2. Nitrogen Dioxide 8. Cereal
Compounds
Heterogeneous
Homogenous
2. Nitrogen Dioxide
8. Cereal
1. Oxygen
3. Koolaid
6. Lemonade
4. Salt Water
7. N2
5. Blood Cells

28. Left Side : Venn Diagram and Exit Slip Answers
Have students use Smart-Board or Promethean Board to write answers on the Venn Diagram.

29. Right Side : Exit Slip Questions
Fill in FCAT style exit slip

30. Left Side : Exit Slip Answers
Post Exit – Slip answers and have students check themselves for mastery.

31. Left Side Extension:
List five examples of mixtures you observed today.
List five examples of pure substances you observed today.
List five examples of solutions you observed today.