Experimental Design Jeopardy IV/ DV VariablesHypothesis Testable Questions Graphing 10 20 30 40 50.
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Transcript of Experimental Design Jeopardy IV/ DV VariablesHypothesis Testable Questions Graphing 10 20 30 40 50.
![Page 1: Experimental Design Jeopardy IV/ DV VariablesHypothesis Testable Questions Graphing 10 20 30 40 50.](https://reader036.fdocuments.us/reader036/viewer/2022062404/551bda7d550346b9588b5a10/html5/thumbnails/1.jpg)
Experimental Design Experimental Design JeopardyJeopardy
IV/ DVIV/ DV VariablesVariables HypothesiHypothesiss
Testable Testable QuestionsQuestions
GraphingGraphing
10 10 10 10 10
20 20 20 20 20
30 30 30 30 30
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50 50 50 50 50
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IV/DV 10 pointsIV/DV 10 points
The variable that is The variable that is manipulatedmanipulated
A
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IV/DV Answer 10 pointsIV/DV Answer 10 points
Independent Independent VariableVariable
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IV/DV 20 pointsIV/DV 20 points
Identify the Dependent Identify the Dependent variable in the following:variable in the following:
Susan conducted an Susan conducted an experiment to see if the experiment to see if the different types of paper different types of paper would effect how far a would effect how far a paper airplane would fly.paper airplane would fly.
A
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The distance a The distance a paper airplane paper airplane will fly.will fly.
Answer for IV/DV 20 points
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A Measureable response A Measureable response is called _______________is called _______________
A
IV/DV for 30
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Answer for 30 points IV/DVAnswer for 30 points IV/DV
Dependent Dependent VariableVariable
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IV/DV 40 pointsIV/DV 40 points
What is the independent Variable and Dependent Variable in the following?
•Tom was experimenting with different amounts of Mentos in diet coke. He wanted to see how many Mentos would give the highest explosion.
AA
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Answer for IV/DV 40 pointsAnswer for IV/DV 40 points
IV- Amount of Mentos
DV- Height of Explosion
If you answered both parts you can add 80 points to your score.
Surprize Double Jeopardy
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Identify the Independent Identify the Independent and Dependent Variable and Dependent Variable in the following:in the following:•Julie wanted to know what type Julie wanted to know what type of surface- sand, wood or gravel of surface- sand, wood or gravel would a car travel the fastest on. would a car travel the fastest on.
IV/DV for 50 pointsIV/DV for 50 points CHALLENGE
CHALLENGE
CHALLENGE
CHALLENGECHALLENGE
A
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Answer for IV/DV 50 pointsAnswer for IV/DV 50 points
IV- Type of Surface
DV- Time or Speed
You just earned 50 pts if you were the challenger and the challenged team has the wrong answer.
-- If you were challenged and have this right you earn 100 pts!
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Variables for 10 pointsVariables for 10 points
Constants are _______Constants are _______
AA
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All the other variables All the other variables in the experiment that in the experiment that need to remain the need to remain the same.same.
Answer for Variables for 10 points
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Why is it Why is it important for all important for all the other the other variables to variables to remain the same remain the same in an experiment?in an experiment?
Variable for 20 points
Switcheroo !!A
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Answer for Variables 20 points
To have a To have a Fair Test-Fair Test- so you so you know that what you tested know that what you tested (the IV) is what is responsible (the IV) is what is responsible for the results that were for the results that were obtainedobtained
If you got this right you may choose any table to switch the current table score with. If you got this wrong you did not earn any points.
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Variables for 30 pointsVariables for 30 points
Why do you need a control in an experiment?
A
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Answer for Variables 30 pointsAnswer for Variables 30 points
You need to be able to compare your results to some kind of standard. Compare your results to something you know.
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In the following: Identify at least two constants•Ten seeds were planted in each of 5 pots found around the house that contained 500 g of “Pete’s Potting Soil.” The pots were given the following amounts of distilled water each day for 40 days: Pot1, 50ml; Pot2, 100ml; Pot 3, 150 ml; Pot 4, 200 ml; Pot 5, 250 ml. Because pot 3 received the recommended amount of water it was used as a control. The height of each plant was measured at the end of the experiment. AA
Variables for 40 points
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Answer for Variables 40 points
• Type of water
• Amount of soil
• Type of soil
• Pots should be the same size and type of container
• 10 seeds
• Type of seeds
Board
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Variable for 50 points
A shopping mall wanted to determine whether the more expensive “Tough Stuff” floor wax was better than the cheaper “Steel Seal” floor wax at protecting its floor tiles against scratches. One liter of each grade of floor wax was applied to each of 5 test sections of the main hall of the mall. The test sections were all the same size and were covered with the same kinds of tiles. Five other test sections received no wax. After 3 weeks, the number of scratches in each test section was counted.
A
What is the control in this scenario?
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Answers to Variables 50 points
• The test sections with no wax.
• The control is always the level of independent variable with the least manipulation or the “normal”.
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Hypothesis for 10 points
A
A hypothesis is more than an educated guess. It is a predict based on what?
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Answer to Hypothesis 10 points
understanding of the scientific concept
Board
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Hypothesis for 20 points
What is the pattern for writing a hypothesis?
A
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Answer to Hypothesis for 20 points
If ( describe how the independent Variable is changing), then the (describe how the dependent variable is responding) because…. (reason why)
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Hypothesis for 30 points
If the temperature of water is changing, then the time to dissolve a tablet will change because hot water melts things.
A
What is wrong with this hypothesis?
CHALLENGE !!
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Answer to Hypothesis for 30 points
You just earned 30 pts if you were the challenger and the challenged team has the wrong answer.
-- If you were challenged and have this right you earn 60 pts!
Didn’t describe how the independent variable or the dependent variable is changing.
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Hypothesis for 40 pts
Write a hypothesis for the following scenario.
Susan tested how high 5 different brands of new tennis balls would bounce when dropped from a height of 2 meters. She dropped the balls so that they hit the same floor tile each time
A
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Answer to Hypothesis for 40 points
EX.
If different brands of tennis balls are dropped from a height of 2 meters, then Wilson tennis balls will bounce higher than any other brand because they use a special kind of rubber.
Board
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Hypothesis for 50 points
A
•Tom was experimenting with different amounts of Mentos in diet coke. He wanted to see how many Mentos would give the highest explosion.
Write a hypothesis for this experiment
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Answer to Hypothesis for 50 pointsAnswer to Hypothesis for 50 points
If I increase the amount of Mentos, the height of the explosion from diet coke will increase because there will be more surface area in contact with the diet coke.
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Which is the best Which is the best insulation: foam or insulation: foam or
fiberglass?fiberglass?
Testable Question for 10Testable Question for 10
answer
Is this question testable?
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Answer to Testable Question for 10 points
No, best is No, best is an opinion.an opinion.
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For 10 bonus points, change the previous question in a testable question
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Testable Question for 20 pointsTestable Question for 20 points
STAND!!!!STAND!!!!
FREE SQUAREFREE SQUARE
board
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Testable Question 30 points
Is the following a testable question?
How does the amount of sunlight effect the height of a plant?
Board
A
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Answer to Testable Question 30 points
Yes, it is because it shows a cause/effect relationship between the independent and dependent variable.
How does the amount of sunlight effect the height of a plant?
board
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Testable Questions for 40 points Ten seeds were planted in each of 5 pots found
around the house that contained 500 g of “Pete’s Potting Soil.” The pots were given the following amounts of distilled water each day for 40 days: Pot1, 50ml; Pot2, 100ml; Pot 3, 150 ml; Pot 4, 200 ml; Pot 5, 250 ml. Because pot 3 received the recommended amount of water it was used as a control. The height of each plant was measured at the end of the experiment.
Write a testable question for this scenario.
Answer
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Answers for Testable Questions 40 points
What is the effect of different amounts of water on height of a plant?
board
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Write a testable question for the following: Jill tested different colors of mash potatoes (white, blue, green and red) on how many kindergarteners would chose each color.
Testable Questions 50 points
boardAnswer
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What is the effect of color of mash potatoes on number of
kindergarteners who will chose red, blue and green?
board
Answer to Testable Question for 50 points
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Graphing for 10 points
• What needs to be included in the title of a graph?
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Answer
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Answer to Graphing for 10 points
• Both the independent and dependent variables plus what we are doing with the data ex: comparing
Board
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Graphing for 20 pointsGraphing for 20 points
• In which column do you find the independent Variable?
• Which is the Dependent Variable?
Type of Water
Time (units)
1 2 3
Average Time (units)
Regular
koolaid
Sugar
Salt
Board
Switcheroo Answer
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Answers to Graphing for 20 pointsIf you got this right you may choose any table to switch the current table score with. If you got this wrong you did not earn any points.
• The First column is the Independent Variable (IV)
• The column above the trials is the Dependent Variable
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Graphing for 30 points
board
True or False
We only graph the averages not the trials.
Answer
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Answer to Graphing 30 points
TRUETRUE
Board
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The effect of time on distance
0
2
4
6
8
10
12
14
1 2 3
Time (seconds)
Dis
tanc
eWhat is wrong with this graph?
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Graphing for 40 points
Answer
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• No units
• Should be a line graph
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Answer to Graphing for 40 pt.
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Graphing for 50 points
Type of Water
Time (s)
1 2 3
Average Time (s)
Regular 2 2 3 2.33
koolaid 4 3 5
Sugar 5 5 5 5
Salt 5 6 6 5.66
•Find the Missing Average.
•Why do we have need multiple trials?
Challenge
Answer
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• Average is 4 s• We need multiple trials so we
have confidence that our data is reliable and accurate. If we made mistakes we would be able to tell where we might have made them.
You just earned 100 pts if you were the challenger and the challenged team has the wrong answer.
-- If you were challenge d and have this right you earn 200 pts!