Question

Mr. Jones wants to know effect of different colors of light on the height of his hibiscus plants. He thinks that hibiscus plants can grow taller when exposed to green light. He buys 5 hibiscus plants of the same species, which are all approximately the same age and height. He places one in white light, one in blue light, one in green light, one in red light and one in a dark box. All of the hibiscus plants are planted in the same soil and given 400 ml of water once a day for 3 weeks. After the three weeks, Mr. Jones observes the hibiscus plants and makes measurements. List which one is Independent variable and dependent variable.

Answer 1

The independent variable in this experiment is the color of light (white, blue, green, red, and dark box) that the hibiscus plants are exposed to.

The dependent variable is the height of the hibiscus plants after being exposed to the different colors of light for 3 weeks.

Step-by-step explanation: