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Understanding Experiment Variables | Identify Controlled, Manipulated, Responding Variables

Learn about manipulated, responding, and controlled variables in experiments. Practice identifying variables in different testable questions. Examples provided to enhance understanding.

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Understanding Experiment Variables | Identify Controlled, Manipulated, Responding Variables

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  1. What is a Variable?

  2. Manipulated Variable The condition that will be changed in an experiment. Types of Variables

  3. Responding Variable The condition that will be measured in an experiment. Types of Variables

  4. Controlled Variables The conditions that are kept the same (unchanged) in an experiment. Types of Variables

  5. Identify variables for the following experiments. You can do it! Practice

  6. Testable Question #1 • Does changing the temperature of a ball affect the height the ball will bounce? Cold Hot

  7. Manipulated Variable Responding Variable Identify Variables #1 • Does changing the temperature of a ball affect the height the ball will bounce? Cold Hot

  8. Identify Variables #1 • Controlled Variables: * Same ball * Dropped from the same height * Dropped onto the same surface * etc…

  9. Testable Question #2 • Does changing the color of light affect the growth rate of plants?

  10. Manipulated Variable Responding Variable Identify Variables #2 • Does changing the color of light affect the growth rate of plants?

  11. Identify Variables #2 • Controlled Variables: * Same type / size of plant * Same wattage of bulb * Same amount of water * Same soil * Light on for the same amount of time * etc…

  12. Testable Question #3 • How does the size of a parachute affect the time it takes a toy hippo to fall 10 feet?

  13. Manipulated Variable Responding Variable Identify Variables #3 • How does the size of a parachute affect the time it takes a toy hippo to fall 10 feet?

  14. Identify Variables #3 • Controlled Variables: * Same hippo * Dropped from the same height * Same parachute fabric * Same length of strings on the parachute * etc…

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