QUESTION IMAGE
Question
scenario 5: does the temperature of water affect the time it takes for a sugar cube to dissolve?
- independent variable:
- dependent variable:
hypothesis:
scenario 6: a student is investigating whether the color of light affects the speed of plant photosynthesis.
- independent variable:
- dependent variable:
hypothesis:
scenario 7: a company wants to determine if their new brand of battery lasts longer than their competitors. they test both batteries in the same type of flashlight.
- independent variable:
- dependent variable:
hypothesis:
scenario 8: does the amount of sleep a student gets affect their test scores?
- independent variable:
- dependent variable:
hypothesis:
scenario 9: a scientist is testing if the amount of salt in water affects its freezing point.
- independent variable:
- dependent variable:
hypothesis:
scenario 10: a teacher wants to know if using a new study method improves students grades.
- independent variable:
- dependent variable:
hypothesis:
Scenario 5
The independent variable is what is changed, and the dependent variable is what is measured. A hypothesis is a proposed explanation.
- Independent Variable: Temperature of water
- Dependent Variable: Time it takes for sugar - cube to dissolve
- Hypothesis: Higher water temperature will decrease the time it takes for a sugar cube to dissolve.
Scenario 6
- Independent Variable: Color of light
- Dependent Variable: Speed of plant photosynthesis
- Hypothesis: Different colors of light will affect the speed of plant photosynthesis, with red and blue light being more effective than green light.
Scenario 7
- Independent Variable: Brand of battery (new brand vs competitor's brand)
- Dependent Variable: Battery - life (time the battery lasts)
- Hypothesis: The new brand of battery will last longer than the competitor's brand in the same type of flashlight.
Scenario 8
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Scenario 5:
- Independent Variable: Temperature of water
- Dependent Variable: Time it takes for sugar - cube to dissolve
- Hypothesis: Higher water temperature will decrease the time it takes for a sugar cube to dissolve.
Scenario 6:
- Independent Variable: Color of light
- Dependent Variable: Speed of plant photosynthesis
- Hypothesis: Different colors of light will affect the speed of plant photosynthesis, with red and blue light being more effective than green light.
Scenario 7:
- Independent Variable: Brand of battery (new brand vs competitor's brand)
- Dependent Variable: Battery - life (time the battery lasts)
- Hypothesis: The new brand of battery will last longer than the competitor's brand in the same type of flashlight.
Scenario 8:
- Independent Variable: Amount of sleep a student gets
- Dependent Variable: Student's test scores
- Hypothesis: More sleep will lead to higher test scores for students.
Scenario 9:
- Independent Variable: Amount of salt in water
- Dependent Variable: Freezing point of water
- Hypothesis: An increase in the amount of salt in water will lower its freezing point.
Scenario 10:
- Independent Variable: Use of new study method (using it or not using it)
- Dependent Variable: Students' grades
- Hypothesis: Using the new study method will improve students' grades.