RISHI MURUGESAN a PowerPoint
What is a Scientific Theory <ul><li>A scientific theory is a theory that explains scientific observations. It must be fals...
What is a Superseded Scientific Theory? <ul><li>A superseded scientific theory is a theory was once thought to be true but...
What is a Superseded Theory that has changed in the last 500 years? <ul><li>One example is the theory of Spontaneous Gener...
What is Spontaneous Generation? <ul><li>Spontaneous means sudden or unplanned </li></ul><ul><li>Generation means creation ...
Why did people believe in Spontaneous Generation? <ul><li>Back in 343 B.C., there was a scientist named Aristotle. He wrot...
What is the History of Animals? <ul><li>Aristotle wrote it. In it he said that all life forms are created from the air and...
Was Aristotle correct? <ul><li>No . There is no vital heat. He believed vital heat was the breath of life. There isn’t vit...
How was the theory of Spontaneous Generation disproven? <ul><li>In the 19 th  century, Louis Pasteur’s work with germs. He...
What was his experiment? <ul><li>It was a small bottle with a long tube. He filled it with broth and experimented.  </li><...
So Spontaneous Generation is Wrong ! ? ! ? <ul><li>Yes. Since nothing grew in the bottle, the theory doesn’t work. A Theor...
What happened? <ul><li>Since there was no air inside the tube, nothing grew inside of it. Because of this, Spontaneous Gen...
What are your sources? <ul><li>Fankhauser and Carter, D. B. and J. Stein. &quot;Spontaneous Generation.&quot;  Spontaneous...
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Scientific Presentation Mccarthy

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Scientific Presentation Mccarthy

  1. 1. RISHI MURUGESAN a PowerPoint
  2. 2. What is a Scientific Theory <ul><li>A scientific theory is a theory that explains scientific observations. It must be falsifiable. </li></ul>
  3. 3. What is a Superseded Scientific Theory? <ul><li>A superseded scientific theory is a theory was once thought to be true but has been proven false. </li></ul>
  4. 4. What is a Superseded Theory that has changed in the last 500 years? <ul><li>One example is the theory of Spontaneous Generation. Spontaneous generation has been proven wrong . </li></ul>
  5. 5. What is Spontaneous Generation? <ul><li>Spontaneous means sudden or unplanned </li></ul><ul><li>Generation means creation of making of. </li></ul><ul><li>Spontaneous Generation means the sudden creation of something. </li></ul>
  6. 6. Why did people believe in Spontaneous Generation? <ul><li>Back in 343 B.C., there was a scientist named Aristotle. He wrote books on Spontaneous Generation. </li></ul>
  7. 7. What is the History of Animals? <ul><li>Aristotle wrote it. In it he said that all life forms are created from the air and pneuma or “vital heat.” </li></ul>
  8. 8. Was Aristotle correct? <ul><li>No . There is no vital heat. He believed vital heat was the breath of life. There isn’t vital heat. </li></ul>
  9. 9. How was the theory of Spontaneous Generation disproven? <ul><li>In the 19 th century, Louis Pasteur’s work with germs. He made an experiment which disproved the theory. </li></ul>
  10. 10. What was his experiment? <ul><li>It was a small bottle with a long tube. He filled it with broth and experimented. </li></ul>
  11. 11. So Spontaneous Generation is Wrong ! ? ! ? <ul><li>Yes. Since nothing grew in the bottle, the theory doesn’t work. A Theory needs to work every time for it to be true. </li></ul>
  12. 12. What happened? <ul><li>Since there was no air inside the tube, nothing grew inside of it. Because of this, Spontaneous Generation was wrong. </li></ul>
  13. 13. What are your sources? <ul><li>Fankhauser and Carter, D. B. and J. Stein. &quot;Spontaneous Generation.&quot; Spontaneous Generation . 2 Nov. 2004. 8 Feb. 2009. </li></ul><ul><li>&quot;Louis Pasteur.&quot; Wikipedia . 7 Feb. 2008. 9 Feb. 2009. </li></ul><ul><li>&quot;Pneuma(Stoic).&quot; Wikipedia . 22 Dec. 2008. 9 Feb. 2009. </li></ul><ul><li>&quot;Superseded Scientific Theories.&quot; Wikipedia . 5 Jan. 2009. 8 Feb. 2009. </li></ul>

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