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Practice Example I am curious about the effect of different types of music on plants . Question being tested: Manipulated variable : Responding variable : Controlled variables : Hypothesis :. Now it is your turn in your groups… For each scenario identify: The QUESTION being tested
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Practice Example I am curious about the effect of different types of music on plants. Question being tested: Manipulated variable: Responding variable: Controlled variables: Hypothesis:
Now it is your turn in your groups… For each scenario identify: The QUESTION being tested The VARIABLES (controlled, manipulated, and responding) The Hypothesis
Answer #1 Question being tested: What would be the desired temperature for the pizza? Manipulated variable: Temperatures Responding variable: The number of students who desired each temperature of pizza Controlled variables: The same type of pizza Hypothesis: If the temperature of the pizza if increased, then more students will like the pizza.
Answer #2 Question being tested: What type of sound will awake middle school students the quickest? Manipulated variable: Different types of alarms to wake students Responding variable: time it takes for the students to awake Controlled variables: Same mattress, sheets, pillow, blanket Hypothesis:If a cow bell is used to wake middle school students up, then the students will awake faster.
Answer #3 Question being tested: What is the best amount of fertilizer used to grow longer day lilies? Manipulated variable: Amounts of fertilizer Responding variable: Height of day lilies Controlled variables: same amount of light, water, same height day lily to start, potting mix Hypothesis: If you use 1 teaspoon of fertilizer in the potting mix of day lilies, then you will see an increase in height.