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WHY DO WE NEED BOTH? Scientific Theory and Scientific Law.

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Presentation on theme: "WHY DO WE NEED BOTH? Scientific Theory and Scientific Law."— Presentation transcript:

1 WHY DO WE NEED BOTH? Scientific Theory and Scientific Law

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3 The field of biology has more scientific theories that result from research. The fields of chemistry and physics have more scientific laws that result from research.

4 Scientific Theory usually explains how something in nature occurs. It is a misconception that theories turn into laws with enough research. Scientific Law usually describes an observed phenomenon often with a mathematical formula. It doesn't explain why the phenomenon exists or what causes it. Scientific Theory and Scientific Law BOTH are proven true through continuous experimentation!

5 Mass can come from energy and energy from mass (E= mc 2 ) The speed of light in a vacuum is constant and an absolute physical boundary for motion Is this a scientific theory or a scientific law? Scientific LAW Is this a scientific theory or a scientific law? Part of the THEORY of relativity Question:

6 Is a scientific theory or a scientific law more correct? Trick question! Both are equally proven to be true through continuous experimentation.

7 Evolution is a Fact. Scientists use the term "fact" to refer to a scientific explanation that has been tested and confirmed so many times that there is no longer a reason to keep testing it or looking for additional examples. With that, the past and continuing occurrence of evolution is a scientific fact. Source: http://www.nas.edu/evolution/TheoryOrFact.html Evolution Theory is Fact

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9 Label each of the following as LAW or THEORY. Then give your reasoning for your choice.  The universe began almost 14 billion years ago with a massive expansion event called the Big Bang. _________________  Reason: _____________________________________  The galaxies are spreading further apart from each other at a speed = H0 × distance. _____________  Reason: _____________________________________  Gravity associated with any mass curves space and time around it. __________________  Reason: _____________________________________

10 WHY DO WE NEED BOTH? Scientific Theory and Scientific Law

11 The field of _________ has more scientific theories that result from research. The fields of ________ and __________ have more scientific laws that result from research.

12 Scientific Theory usually explains ____________ ___________________ It is ______________ that theories turn into laws with enough research. Scientific Law usually describes ______________________________ It doesn't explain _________________________ Scientific Theory and Scientific Law

13 Mass can come from energy and energy from mass (E= mc 2 ) The speed of light in a vacuum is constant and an absolute physical boundary for motion Is this a scientific theory or a scientific law? ________________ Is this a scientific theory or a scientific law? ________________ Question:

14 Is a scientific theory or a scientific law more correct? ________________ ________________ ________________ ________________ ________________ _______________

15 Evolution is a Fact. Scientists use the term "fact" to refer to a scientific explanation that _____________ ________________________________ ________or looking for additional examples. With that, the past and continuing occurrence of evolution _______________________. Source: http://www.nas.edu/evolution/TheoryOrFact.html Evolution Theory is Fact

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17 Label each of the following as LAW or THEORY. Then give your reasoning for your choice.  The universe began almost 14 billion years ago with a massive expansion event called the Big Bang. _________________  Reason: _____________________________________  The galaxies are spreading further apart from each other at a speed = H0 × distance. _____________  Reason: _____________________________________  Gravity associated with any mass curves space and time around it. __________________  Reason: _____________________________________


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