http://institute.nsta.org/web_seminars.asp nsdl/nsta web seminar: learning by doing—computational...
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http://institute.nsta.org/web_seminars.asp
NSDL/NSTA Web Seminar:
Learning By Doing—Computational Science
LIVE INTERACTIVE LEARNING @ YOUR DESKTOP
http://nsdl.org
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http://nsdl.orghttp://nsdl.org
• Access to large collections of simulations and interactives
• Resources for 21st century learning skills
CSERD: NSDL Computational Science Pathway
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What is Computational Science?
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uses models to demonstrate and visualize concepts
Computational Science…
New Moon? Full Moon?
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uses real-life situations to teach inquiry-based math and science concepts
Computational Science…
Greater than 340? Less than 340?
Estimator: The number of stars is greater or less than 340
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Computational Science…
helps students learn how to use technology to solve problems
Topples Stands
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Computational Science…
uses interactive tools to observe and analyze data
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Interactive Activities
Lesson Plans
Discussions
Suggestions & Help
http://cserd.nsdl.org
Computational Science Education Reference Desk (CSERD)
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Skill level with use of technology in classroom?
Novice Advanced
Combine math and science together in your curriculum?
Rarely to Never
On a regular basis
Occasionally
Intermediate
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Modern science and mathematics
are more concerned with
pattern recognition and characterization
than with mere symbol manipulation.
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Recognition
The pahomnnehil pweor of the hmuan mnid.Aoccdrnig to a rehcaseerr at Cmabirdge Uinervtisy, it deosn’t mttaer in waht oredr the ltteers in a wrod are, the olny imprmoetnt tihng is taht the frist and lsat ltteer be at the rghit pclae. The rset can be a total mses and you can sitll raed it wouthit porbelm. Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the wrod as a whlohe.Anizamg huh?
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Characterization
Rabbits and Wolves: Population Dynamics
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Symbol Manipulation
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http://www.shodor.org/interactivate
• 100+ interactive math based activities
• Lesson plans
• Discussions
• Worksheets
• Open-ended explorations
• Dictionary
• Standards alignments
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Given: If 1 tree is on fire there is a 100% probability that the tree next to it will catch.
Predict: How much of the forest will burn?
Exactly 0% 0%-50%
50%-100% Exactly 100%
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Given: If 1 tree is on fire there is a 0% probability that the tree next to it will catch.
Predict: How much of the forest will burn?
Exactly 0% 0%-50%
50%-100% Exactly 100%
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Interactivate’s Scatter Plot Activity
Data Points0, 01, 100
As a scatter plot our data looks like:
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Given: If 1 tree is on fire there is a 50% probability that the tree next to it will catch.
Predict: How much of the forest will burn?
Poll Question:
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You try it!
We will now take you to this link:
http://www.shodor.org/interactivate/activities/Fire
Try using the Fire! Interactive a few times on your own
We will bring you back in 3 minutes… ask for help by pushing
*6 if you need it!
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Data from 10 Burns at 50% Probability of Burn
Trial # % Burned
1 1%
2 27%
3 54%
4 65%
5 41%
MEAN from 10 trials: ~45%
Trial # % Burned
6 44%
7 69%
8 43%
9 60%
10 45%
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Interactivate’s Scatter Plot Activity
Red Data Points(0, 0)(1, 100)Blue Data Points(0, 0)(0.5, 45)(1, 100)
As a scatter plot our data looks like:
Hmm… How could we find the overall pattern?
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Recognizing the PatternResulting
graph in green from averaging
10 burns at each of the following
probabilities: 0, 0.1, 0.2,
0.3, 0.4, 0.5, 0.6, 0.7, 0.8,
0.9, 1
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• Computers help us to model and simulate real world phenomena so we can better understand the world around us.
Would you have predicted that pattern?
The model is only as good as the design.
How does the Fire!! model relate to the real world and how does it not?
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Science•Experimental Design•Experimental Control•Independent and Dependent Variables•Conjecture and Hypothesis•Chaos
Mathematics•Fractions / Percents•Scatter Plots,•Graphing Coordinate Pairs•Reading / Interpreting Graphs•Mean / Average•Probability•Randomness
Possible Content Addressed:
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More Robust ModelsInteractivate’s Directable Fire!!
(not pictured)
Interactivate’s A Better Fire!!(pictured below)
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Go to http://nsdl.org and click on the K-12 audience page
Download this seminar’s annotated module for resources from this seminar and more!
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http://nsdl.orghttp://nsdl.org
THANK YOU!
Patricia [email protected]
Robert [email protected]
Bethany [email protected]
http://cserd.nsdl.org
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National Science Teachers AssociationGerry Wheeler, Executive Director
Frank Owens, Associate Executive Director Conferences and Programs
Al Byers, Assistant Executive Director e-Learning
LIVE INTERACTIVE LEARNING @ YOUR DESKTOP
NSTA Web SeminarsFlavio Mendez, Program Manager
Jeff Layman, Technical CoordinatorJudith Lopes, Administrative Assistant
Susan Hurstcalderone, Volunteer Chat Moderator