TASK 9/11 IF THIS IS YOUR FIRST DAY – SEE ME!!!!!! WRITE THIS DOWN ON YOUR LEARNING TARGET SHEET:...
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Transcript of TASK 9/11 IF THIS IS YOUR FIRST DAY – SEE ME!!!!!! WRITE THIS DOWN ON YOUR LEARNING TARGET SHEET:...
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TASK 9/11IF THIS IS YOUR FIRST DAY – SEE ME!!!!!!
WRITE THIS DOWN ON YOUR LEARNING TARGET SHEET:
2I know the difference between observation, inference, qualitative, and quantitative. 3I can follow the steps of the scientific method for a problem.
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AGENDA 9/11
• Review over a couple things from yesterday• Ch 1 Notes #2 (all together)• Video Quiz
QUIZ TOMORROW!!!! Over Ltarget #1 and #2 (notes #1 and #2a)Take those home!
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ANSWERS TO CLOSE-UPS
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YESTERDAY
3:50http://www.youtube.com/watch?v=S5SGiwS5L6Ihttp://www.telegraph.co.uk/science/science-
video/10570576/Discover-the-secret-to-walking-on-water.html
http://www.youtube.com/watch?v=2CJJ6FrfuGU
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HOW TO MAKE IT!
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CH 1NOTES #2
9/11
SCIENTIFIC METHOD
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Scientific Method
- A series of steps used to solve a problem
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STEPS:
1. STATE THE PROBLEM
EXAMPLES:• Why do leaves fall off in the fall?• What does a medicine do to the body?• Why does our eyes get goo in the corners in
the morning?• Does popcorn pop better when cold?
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2. GATHER INFORMATION (research)
Read about what you want to learn about and research what people already know to help you come up with ideas or experiments; make observations about something you want to study
FOR POPCORN?
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3. FORM A HYPOTHESIS – an educated guess * If …… then ……
A guess of what you think the answer to your question is after doing research.
Your hypothesis may be right, it may be wrong.
FOR POPCORN…?
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WHAT WERE THE 1st 3 STEPS????
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4. CONDUCT AN EXPERIMENT Need : - to get materials - to follow a procedure - to make observations - to collect data
Darwin spent nearly 20 years analyzingthe data he collected came up with his conclusions!
FOR POPCORN?
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KEEP TRACK OF
OBSERVATIONS
DATADATAWhat data would you keep of during the experiment?
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Experiment vocabulary
Control group – group not having anything changed
- used to compare
Experimental group – group that you made some change to
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You wanted to find out if mice behave differently if you give them caffeine
• Experimental Group?
• Control Group?
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1 2
1
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Can have many experimental groups
http://www.youtube.com/watch?v=VhZyXmgIFAo
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Should you just do one of each?
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Constant – things that stay the same between the groups
FOR POPCORN? - same amount/ size bag of
popcorn - same time - same brand - same place in the microwave
ROOM TEMP
COLD TEMP
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* you only want to change ONE thing at a time!!!
Variable – The things that change in an experiment
TWO TYPES:Independent variable – the thing that you changed
Dependent variable – what changed as a result at the end (usually something you can measure)
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FOR POPCORN?
Independent variable? “1” thing “I” changed - the temp of the popcorn
Dependent variable? What measure at the end to know results
- the amount of kernels that pop
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* should repeat the experiment over and over to make sure you keep getting the same results before
you make a conclusion
5. CONCLUSION - What you found out. Answer the problem in step one in a complete
sentence. Talk about the DATA you collected
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WHAT WERE THE STEPS?
1. State the Problem2. Gather information3. Form a Hypothesis4. Conduct an Experiment5. Conclusion
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BACK OF NOTES
• You have an example going over all of the steps to help you with any assignments.
+++++++++++++++++++++++++++++
EXTRA CREDIT – Answer the question Why does popcorn pop?
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LET’S SEE AN EXAMPLEOF SCIENTIFIC METHOD IN USE
VIDEO
Assignment 1.2https://www.youtube.com/watch?v=CxYfJA0M6N0&feature=youtu.be
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FINISH YOUR VIDEO QUIZ
NOW YOU HAVE 2 MINUTES TO TALK TO OTHER STUDENTS ABOUT YOUR ANSWERS
DO NOT JUST CHANGE IT!TALK AND FIGURE OUT WHO IS RIGHT AND WHY
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TRADE PAPERS AND SIGN YOUR NAME ON THE TOP LEFT OF THE SHEET
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HOMEWORKGET YOUR SYLLABUS SIGNED
• CAN DO EC: Why does popcorn pop? Write it down on a piece of paper and the source (what website you got your information from)
PUT FOLDERS AWAY, SIT AT SEAT, PUSH IN CHAIR