FOOD CHEMISTRY
CARBOHYDRATES PROTEINS AND LIPIDS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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You want to see if plants grow better when they are exposed to classical music. You take 4 identical plants, potted in the same containers, under the same conditions. The only difference is that 2 plants will be exposed to classical music as they grow. The other will be exposed to no music. After 2 weeks, you compare the growth rates.What is the independent variable?
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The plants
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The growth rate
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The music
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The containers
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Explanation:
Detailed explanation-1: -Plant height is a dependent variable that responds to changes in the independent variable. Each plant receives the same amount of sunlight, so sunlight is the controlling variable. Grow them in pots of the same size and with the same amount of water.
Detailed explanation-2: -Independent variable: amount of sunlight. Dependent variable: growth of plant. Controlled variables: type of plant (genetic makeup), number of seeds, availability of water, time.
There is 1 question to complete.