In this study, a scientist designed an experiment to test plant growth. The plants were planted in identical pots with the same brand of potting soil. Each plant was watered with 20 ml of spring water every third day at 9:00 AM. Name the controlled portion of this experiment, the independent variable, and the dependent variable.
Controlled--Every third day
Independent- Potting soil
Dependent-Water
There is no independent variable stated. Dependent variable should be growth of the plants. Controlled: potting, potting medium, watering.
It is not stated if the plants were identical. If not, plant type could be the independent variable.
Well, that's not very plantastic, but here's the breakdown:
Controlled: The scientist kept the watering schedule consistent, making sure to water the plants every third day at 9:00 AM. It's like giving them their daily dose of hydration, but every three days instead!
Independent Variable: The independent variable in this experiment is the potting soil. The scientist used the same brand of potting soil for all the plants. Let's hope it's the good stuff!
Dependent Variable: The dependent variable in this experiment is the water. The amount of water, specifically 20 ml of spring water, that was provided to each plant was measured. I guess the plants were thirsty little fellas.
So, there you have it! Controlled, independent, and dependent variables, all in a plant's growth journey. Keep those plants happy and hydrated!
Controlled variable: The controlled variable in this experiment is watering the plants every third day. This means that all the plants were given the same amount of water at the same interval, ensuring consistency in this aspect of the experiment.
Independent variable: The independent variable in this experiment is the type or brand of potting soil used. The scientist deliberately chose to use the same brand of potting soil for all the plants except for this variable. By altering this variable, the scientist can observe and analyze how different types of potting soil affect plant growth.
Dependent variable: The dependent variable in this experiment is plant growth. This variable is directly influenced by the independent variable, the type of potting soil. The scientist will measure and analyze the growth of each plant over a period of time to determine if there are any significant differences between the plants due to the different types of soil used.
In this experiment, the scientist focused on testing the factors that influence plant growth. To ensure accurate results, it's important to control certain variables that could potentially impact the outcome.
The controlled portion of this experiment is the watering frequency, which is every third day. By keeping this variable constant for all the plants, the scientist can eliminate any potential variations that may be caused by watering at different frequencies.
The independent variable, on the other hand, is the potting soil. The scientist deliberately chose to use the same brand of potting soil for every plant and kept it unchanged throughout the experiment. By manipulating or changing the potting soil, the scientist can examine how different types of soil affect plant growth.
Lastly, the dependent variable in this experiment is the amount of water provided to the plants. The scientist measures and keeps track of the standardized amount, which is 20 ml of spring water for each plant. By measuring the impact of this specific factor on plant growth, the scientist can observe any changes or patterns in the results and draw conclusions about the relationship between water and plant growth.