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Notes Science Tennessee SPI Objective:

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Presentation on theme: "Notes Science Tennessee SPI Objective:"— Presentation transcript:

1 Notes Science Tennessee SPI Objective:
Mixtures or Compounds Notes Science Tennessee SPI Objective: Differentiate between a mixture and a compound. Essential Question(s) 1) What are the differences between mixtures & compounds? 2) What are similarities between mixtures & compounds? I Can Statement I can compare and contrast mixtures and compounds. Success Criteria I can prove that I understand this topic by explaining how mixtures and compounds are similar and how they are different.

2 When you combine two or more substances together,
SPI Mixtures or Compounds What is a Mixture? When you combine two or more substances together, if no chemical reaction occurs, then it is called a mixture. Any changes you observe are only physical changes. No new substances are formed in mixtures. Mixtures can be fairly easily separated back into their parts. Mixture Examples: Air Steel Salt Water Blood Milk What is a Compound? two or more different elements that are chemically bonded in a chemical reaction to form a new substance. compounds CAN NOT be easily separated Compound Examples: H2O NaCl CO2 C6H12O6

3 Air N O Ar SPI 0807.9.4 Mixtures or Compounds EXAMPLE: A Mixture
Nitrogen 7 N 14.0 Oxygen 8 O 16.0 Argon 18 Ar 39.9 78% Nitrogen, 21% Oxygen, 1% Argon and other gases When these items mix together no chemical reaction occurs.

4 Steel Fe C EXAMPLE: A Mixture SPI 0807.9.4 SPI 0807.9.4
Mixtures or Compounds SPI Mixtures or Compounds EXAMPLE: A Mixture Steel Iron 26 Fe 55.8 Carbon 6 C 12.0 98.5% Iron (Fe) and 1.5% Carbon (C) When these items are mixed together no chemical reaction occurs.

5 Salt Water EXAMPLE: A Mixture SPI 0807.9.4 Mixtures or Compounds
Atlantic Ocean Pacific Ocean Saltwater Ingredients: 3.5 % dissolved salts (mostly NaCl) and 96.5%Water (H2O) When these items are mixed together no chemical reaction occurs.

6 Blood EXAMPLE: A Mixture SPI 0807.9.4 Mixtures or Compounds
Blood Ingredients: 55% Plasma (consists of 90% water, 8% Protein, 2% other) 45% Red/White blood cells and Platelets When these items mix together no chemical reaction occurs.

7 Milk EXAMPLE: A Mixture SPI 0807.9.4 Mixtures or Compounds
Milk Ingredients: 88% Water, 5% Carbohydrates, 3% Fat, 3% Protein, 1% Minerals When these items are mixed together no chemical reaction occurs.

8 No chemical reaction occurs when these mixtures are formed.
SPI Mixtures or Compounds MORE EXAMPLES: Mixtures Cement Soup Salad Soup Cement Salad No chemical reaction occurs when these mixtures are formed.

9 No chemical reaction occurs when these mixtures are formed.
SPI Mixtures or Compounds MORE EXAMPLES Mixtures Energy Drinks Soft Drinks Tea Kool-Aid Drinks Tea Kool-Aid No chemical reaction occurs when these mixtures are formed.

10 No chemical reaction occurred when these mixtures were formed.
SPI Mixtures or Compounds Notes Science MORE EXAMPLES: Mixtures Hamburgers Tacos Pizza Hamburgers Tacos Pizza No chemical reaction occurred when these mixtures were formed.

11 Kool-Aid drink is a mixture
SPI Mixtures or Compounds NOTE: A mixture may contain one or more compounds, as long as they do not react with each other (like Kool-Aid for example) Kool-Aid drink is a mixture Kool-Aid Ingredients: Water, sugar, flavoring agent, and a coloring agent Kool-Aid contains two compounds: (A) water (H2O) & (B) sugar/sucrose (C12H22O11). Yet these ingredients DO NOT chemically react with each other.

12 Science Notes Two Ways How do I know if something is a mixture or not?
SPI Mixtures or Compounds Notes Science How do I know if something is a mixture or not? Two Ways 1) Mixtures can be fairly easily taken back apart. 2) If no chemical reaction occurred when you combined the substances, then it is a mixture.

13 How to separate apart mixtures
SPI Mixtures or Compounds How to separate apart mixtures Four Methods By hand By filtration By distillation By magnetism

14 How do I know if a chemical reaction occurred or not?
SPI Mixtures or Compounds How do I know if a chemical reaction occurred or not? Remember: compounds are formed during chemical reactions. If there is no chemical reaction, then it IS NOT a compound. Note: Below are some common indicators of chemical reactions. Remember our memory tricks: HOPESR and 4FP4CG. Explosion Heat or Light Color change Smoke or Gas Sound (sizzle, snap, crackle, pop, whistle, bang, or boom) Fizzing or Foaming Precipitate is formed If you don't see one or more of these indicators, then it probably IS NOT a compound.

15 Is this a mixture or a compound?
Review Activity SPI Mixtures or Compounds Science Is this a mixture or a compound? Write a capital M if you think it is a mixture. Write a capital C if you think it is a compound. Why?…The ingredients DO NOT chemically combine Ingredients: Water, carbohydrates, fat, protein, etc. Milk Mixture

16 Monster Energy Drink Mixture Science Is this a mixture or a compound?
Review Activity SPI Mixtures or Compounds Science Is this a mixture or a compound? Write a capital M if you think it is a mixture. Write a capital C if you think it is a compound. Why?…The ingredients DO NOT chemically combine Ingredients: Water, caffeine, sugar, coloring, and flavor Monster Energy Drink Mixture

17 C6H12O6 (Glucose) Compound Science Is this a mixture or a compound?
Review Activity SPI Mixtures or Compounds Science Is this a mixture or a compound? Write a capital M if you think it is a mixture. Write a capital C if you think it is a compound. (Glucose) Why? ...has 3 atoms chemically bonded together C6H12O6 Compound A chemical formula with more than one capital letter is a compound.

18 Is this a mixture or a compound?
Review Activity SPI Mixtures or Compounds Science Is this a mixture or a compound? Write a capital M if you think it is a mixture. Write a capital C if you think it is a compound. Why? …The ingredients DO NOT chemically combine Ingredients: Water, chicken, vegetables, noodles, salt, etc. Chicken Soup Mixture

19 CO2 (Carbon Dioxide) Compound Science Review Activity
SPI Mixtures or Compounds Science Is this a mixture or a compound? Write a capital M if you think it is a mixture. Write a capital C if you think it is a compound. (Carbon Dioxide) Why? ...has 2 atoms chemically bonded together CO2 Compound A chemical formula with more than one capital letter is a compound.

20 Salt Water Mixture Science Is this a mixture or a compound?
Review Activity SPI Mixtures or Compounds Science Is this a mixture or a compound? Write a capital M if you think it is a mixture. Write a capital C if you think it is a compound. Why? …The ingredients DO NOT chemically combine Ingredients: Water and Salt Salt Water Mixture

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