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 A scientist combined two liquids into a flask. The temperature of the flask increased, the combined substance started bubbling, and a strong odor was.

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Presentation on theme: " A scientist combined two liquids into a flask. The temperature of the flask increased, the combined substance started bubbling, and a strong odor was."— Presentation transcript:

1  A scientist combined two liquids into a flask. The temperature of the flask increased, the combined substance started bubbling, and a strong odor was given off. Was this an example of a mixture or a compound and why? a.It is a mixture because the temperature of the flask increased, and there was an odor. b.It is a compound because there were two liquids combined together. c. It is a compound because a chemical reaction occurred. Bell Work PLICKERS

2  A scientist combined two liquids into a flask. The temperature of the flask increased, the combined substance started bubbling, and a strong odor was given off. Was this an example of a mixture or a compound and why? a.It is a mixture because the temperature of the flask increased, and there was an odor. b.It is a compound because there were two liquids combined together. c. It is a compound because a chemical reaction occurred. Bell Work PLICKERS PLICKERS

3  SPI Classify common substances as elements or compounds based on their symbols or formulas  SPI Differentiate between a mixture and a compound. TOC: #61. EMC Hands on Lab Student Learning Objectives

4  DUE: THURSDAY Know 1 ST 10 Elements  DUE: FRIDAY Word Search Puzzle Worksheet HOMEWORK:

5 1.E – Nitrogen (2 atoms of Nitrogen) 13. C – Sodium, Oxygen, Hydrogen 2.C – Carbon, Oxygen 14. C – Carbon, Hydrogen 3.C – Nitrogen, Hydrogen 15. C – Iron, Chlorine 4.E– Oxygen (2 atoms of Oxygen) 16. E – Hydrogen (2 atoms) 5.C– Potassium, Chlorine 17. C – Iron, Oxygen, Hydrogen 6.C– Potassium, Chlorine, Oxygen 18. C – Nitrogen, Hydrogen 7.E – Potassium 19. E - Silver 8.C – Sodium, Chlorine 20. C – Phosphorous, Oxygen 9.E – Fluorine (2 atoms of Fluorine 21. E – Sodium 10.C –Sodium, Fluorine 22. C – Hydrogen, Oxygen 11.E – Chlorine (2 atoms of Chlorine) 23. C – Oxygen, Hydrogen 12.E – Phosphorous 24. C – Silver, Oxygen 25. C – Carbon, Hydrogen Identify “E” Element or “C” Compound Worksheet

6  A substance composed of a single kind of atom.  Cannot be broken down into another substance by chemical or physical means. REVIEW: What is an ELEMENT?

7  A substance in which two or more different elements are CHEMICALLY bonded together. Review: What is a COMPOUND

8  Two or more substances that are mixed together but are NOT chemically bonded. Review: What is a MIXTURE

9 Element, Compound or Mixture?

10 Mixture

11 Element, Compound or Mixture?

12 Compound

13 Element, Compound or Mixture?

14 Mixture

15 Element, Compound or Mixture?

16 Element

17 Element, Compound or Mixture?

18 Mixture

19 Element, Compound or Mixture?

20 Element

21 Procedure:  With your lab group, go to each lab table and compare and contrast the different items in the dishes.  Categorize the materials in each dish as element, mixture, or compound and record the information in your data tables.  Discuss your lists. Investigating questions:  On your lab sheet, describe the three types of matter.  Give some examples of elements, mixtures, and compounds.  Explain the different properties of each group of materials. NOTE: Think of the washer, bolt, and nut as an individual atom! EMC Lab: Element, Mixture, Compound Hands-On Lab

22  New materials are one of the greatest achievements of every age.  Material engineers are focused on understanding different materials so that they can create new materials with desired properties. For, example they take advantage of the varying strengths and abilities of different materials to make composites that are engineered from two or more materials with different PHYSICAL and CHEMICAL properties. Engineering Connection:

23  Which of these is an element and not a compound? a. CaCl2 b. CO2 c. Cl d. CaO Exit Ticket


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