2013 S208 Group D
Friday, September 13, 2013
Sunday, September 1, 2013
Wednesday, July 3, 2013
Hypothesis and Variables (Ryan)
Research Topic: Chemistry of Ice-Cream Making : Lowering the Freezing Point of Water
Hypothesis: Adding different chemicals into water will cause the freezing point to decrease
Variable:
Constant
- Water that was used.
- Place where the experiment is held
- Amount of Chemical added into the solution
Independent
- Chemical that was used
Dependent
- The time taken to find the target during a visual search
Hypothesis: Adding different chemicals into water will cause the freezing point to decrease
Variable:
Constant
- Water that was used.
- Place where the experiment is held
- Amount of Chemical added into the solution
Independent
- Chemical that was used
Dependent
- The time taken to find the target during a visual search
Hypothesis of Rainbow Fire Project (Zhiyong)
Rainbow Fire Project
Hypothesis : If I burn different chemicals, they will change into many different colours.
Constant Variable :
Time used to burn
Amount of chemical
Environment
Independent Variable :
The type of chemicals available
Dependent Variable :
Colour produced by the chemicals
Tuesday, July 2, 2013
Hypothesis and Variables (Cherlyn)
Research Topic: The Chemistry of Hair Highlights
Hypothesis: To investigate how hydrogen-peroxide based hair treatments change the color of human hair.
Variable:
Constant
- Type of human hair
Independent
- Amount of hydrogen-peroxide used
Dependent
- Color of the hair
Hypothesis: To investigate how hydrogen-peroxide based hair treatments change the color of human hair.
Constant
- Type of human hair
- Location of experiment
-Type of hair highlight
- Amount of hydrogen-peroxide used
Dependent
- Color of the hair
Hypothesis and Variables (Sean)
Research Topic: The Brains behind "Where's Waldo"
Hypothesis: To investigate if the number of distractors will affect the ability to find a certain target during a visual search.
Variable:
Constant
- The target
- The eyesight of the visual searcher
- The photo
Independent
- Number of distractors in the photo
Dependent
- The time taken to find the target during a visual search
Hypothesis: To investigate if the number of distractors will affect the ability to find a certain target during a visual search.
Variable:
Constant
- The target
- The eyesight of the visual searcher
- The photo
Independent
- Number of distractors in the photo
Dependent
- The time taken to find the target during a visual search
What is a Hypothesis?
A supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
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