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States of Matter With Mr. Kumar Click on the button to continue
Content Standards <ul><li>Mc REL Standards </li></ul><ul><ul><li>Physical Sciences </li></ul></ul><ul><ul><ul><li>Standard...
What are we learning here? <ul><li>We will </li></ul><ul><ul><li>recall about the different states of  matter </li></ul></...
What is matter? <ul><li>Anything that occupies space and has a mass is called matter </li></ul>
States of matter <ul><li>There are four states of matter </li></ul><ul><ul><li>Solids </li></ul></ul><ul><ul><li>Liquids <...
Stop & Think <ul><li>How do you classify  </li></ul><ul><li>matter as Solids, liquids or gases? </li></ul><ul><li>Two fact...
Let us analyze <ul><li>Let us think about Solids </li></ul>Look at the solids and identify their shapes by clicking the bu...
Great! You are right! Get a Star Go back to the questions
Oooooooops!  <ul><li>Try Again! </li></ul>Go back to questions
Can solids change the shape on their own? YES NO
Ooooops! <ul><li>Oh No! They cannot change their shape on their own! </li></ul>Click here to go back
Do Solids have a definite shape? <ul><li>Yes they do.  </li></ul><ul><li>Now that you are clear about solids, Let us take ...
Liquids <ul><li>I am pouring a liquid from one container to another. What happens to its shape?  </li></ul>Changes Do not ...
I am sorry <ul><li>The shape of the liquid changes and it takes the shape of the container. </li></ul>Back again!
Great! Now answer this!  <ul><li>Do liquids have a definite shape? </li></ul>Click here for answer
No <ul><li>They don’t. They take the shape of the container. </li></ul>Click here to continue
Gases <ul><li>Can we say Oxygen is spherical in shape & Carbon-di-oxide is cubical? </li></ul>YES NO
No <ul><li>They do not have a shape of their own. </li></ul>
Volume <ul><li>Volume is the space occupied by matter. </li></ul><ul><li>Do Solids occupy space? </li></ul><ul><li>Can the...
You are right! Continue
No! You are wrong! Back again!
Volume <ul><li>Let’s take the case of Liquids </li></ul><ul><li>If I pour a liquid from one container to another, Will the...
Ooooops! <ul><li>No! If I pour 20 cc of water from one container to another, the 20 cc will remain the same and it will no...
Great! Let us take the case of Gases! <ul><li>If I keep 20 cc of oxygen on a table in a room, will it remain there after s...
I am sorry! <ul><li>No. It will not remain there after sometime. Gases spread around and they don’t stay at a place like s...
Great! <ul><li>Now answer these questions! </li></ul><ul><li>Do Solids have definite volume? </li></ul><ul><li>Do Liquids ...
You are right! Continue
I am sorry! Back again!
Putting together <ul><li>Solids have  </li></ul><ul><ul><li>Definite shape and volume </li></ul></ul><ul><li>Liquids have ...
Now let us look at the molecular structure of solids The molecules of solids are closely packed and are fixed. They cannot...
Molecular Structure of Liquids <ul><li>In case of liquids, the molecules can move freely but within their volume. </li></ul>
Molecular Structure of Gases <ul><li>In Gases, the molecules are absolutely free and they can move anywhere. </li></ul>
Extension <ul><li>What makes the molecules of Solids, liquids and gases behave the way they do? </li></ul><ul><li>As an ex...
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States of Matter

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States of Matter

  1. 1. States of Matter With Mr. Kumar Click on the button to continue
  2. 2. Content Standards <ul><li>Mc REL Standards </li></ul><ul><ul><li>Physical Sciences </li></ul></ul><ul><ul><ul><li>Standard 8: Understands the structure and properties of matter </li></ul></ul></ul>
  3. 3. What are we learning here? <ul><li>We will </li></ul><ul><ul><li>recall about the different states of matter </li></ul></ul><ul><ul><li>recall the molecular structure of different states of matter. </li></ul></ul><ul><ul><li>think over and understand what makes them to behave the way they do. </li></ul></ul>
  4. 4. What is matter? <ul><li>Anything that occupies space and has a mass is called matter </li></ul>
  5. 5. States of matter <ul><li>There are four states of matter </li></ul><ul><ul><li>Solids </li></ul></ul><ul><ul><li>Liquids </li></ul></ul><ul><ul><li>Gases </li></ul></ul><ul><ul><li>Plasmas (we are not going to discuss this here) </li></ul></ul>
  6. 6. Stop & Think <ul><li>How do you classify </li></ul><ul><li>matter as Solids, liquids or gases? </li></ul><ul><li>Two factors that distinguish them are </li></ul><ul><ul><ul><ul><li>Shape </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Volume </li></ul></ul></ul></ul>
  7. 7. Let us analyze <ul><li>Let us think about Solids </li></ul>Look at the solids and identify their shapes by clicking the buttons Cube Cylinder Cuboid Cube Cylinder Cuboid Cube Cylinder Cuboid Click here if you are done
  8. 8. Great! You are right! Get a Star Go back to the questions
  9. 9. Oooooooops! <ul><li>Try Again! </li></ul>Go back to questions
  10. 10. Can solids change the shape on their own? YES NO
  11. 11. Ooooops! <ul><li>Oh No! They cannot change their shape on their own! </li></ul>Click here to go back
  12. 12. Do Solids have a definite shape? <ul><li>Yes they do. </li></ul><ul><li>Now that you are clear about solids, Let us take the case of liquids. </li></ul>
  13. 13. Liquids <ul><li>I am pouring a liquid from one container to another. What happens to its shape? </li></ul>Changes Do not change
  14. 14. I am sorry <ul><li>The shape of the liquid changes and it takes the shape of the container. </li></ul>Back again!
  15. 15. Great! Now answer this! <ul><li>Do liquids have a definite shape? </li></ul>Click here for answer
  16. 16. No <ul><li>They don’t. They take the shape of the container. </li></ul>Click here to continue
  17. 17. Gases <ul><li>Can we say Oxygen is spherical in shape & Carbon-di-oxide is cubical? </li></ul>YES NO
  18. 18. No <ul><li>They do not have a shape of their own. </li></ul>
  19. 19. Volume <ul><li>Volume is the space occupied by matter. </li></ul><ul><li>Do Solids occupy space? </li></ul><ul><li>Can they increase or decrease their space on their own? </li></ul>YES NO YES NO Continue
  20. 20. You are right! Continue
  21. 21. No! You are wrong! Back again!
  22. 22. Volume <ul><li>Let’s take the case of Liquids </li></ul><ul><li>If I pour a liquid from one container to another, Will the volume change? </li></ul>YES NO
  23. 23. Ooooops! <ul><li>No! If I pour 20 cc of water from one container to another, the 20 cc will remain the same and it will not change. </li></ul>Back again!
  24. 24. Great! Let us take the case of Gases! <ul><li>If I keep 20 cc of oxygen on a table in a room, will it remain there after sometime? </li></ul>YES NO
  25. 25. I am sorry! <ul><li>No. It will not remain there after sometime. Gases spread around and they don’t stay at a place like solids or liquids. </li></ul>Back again!
  26. 26. Great! <ul><li>Now answer these questions! </li></ul><ul><li>Do Solids have definite volume? </li></ul><ul><li>Do Liquids have definite volume? </li></ul><ul><li>Do Gases have definite volume? </li></ul>YES YES YES NO NO NO Continue
  27. 27. You are right! Continue
  28. 28. I am sorry! Back again!
  29. 29. Putting together <ul><li>Solids have </li></ul><ul><ul><li>Definite shape and volume </li></ul></ul><ul><li>Liquids have </li></ul><ul><ul><li>Definite volume but not shape </li></ul></ul><ul><li>Gases have </li></ul><ul><ul><li>No shape or volume </li></ul></ul>
  30. 30. Now let us look at the molecular structure of solids The molecules of solids are closely packed and are fixed. They cannot move freely but they can only vibrate about their mean positions .
  31. 31. Molecular Structure of Liquids <ul><li>In case of liquids, the molecules can move freely but within their volume. </li></ul>
  32. 32. Molecular Structure of Gases <ul><li>In Gases, the molecules are absolutely free and they can move anywhere. </li></ul>
  33. 33. Extension <ul><li>What makes the molecules of Solids, liquids and gases behave the way they do? </li></ul><ul><li>As an extension activity, go online & check about Cohesion & Adhesion on the Internet. </li></ul><ul><li>Some useful links could be: </li></ul>http://www.physlink.com/Education/AskExperts/Index.cfm Ask an expert - http://www.topscience.org/co_adhesion.htm Top Science.org - http://hyperphysics.phy-astr.gsu.edu/hbase/surten.html#c4 Eduseek -

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