[STEM3] Research variable

According to the diagram, which question is being tested?

• Do flowering plants grow taller in red, green or yellow light?

• How much fertilizer do flowering plants need?

• Does adding fertilizer cause flowering plants to grow taller?

• What is the best kind of soil to make plants grow taller?

Select the type of variable (Independent, Dependent and Controlled).

- The size of the pot

• Independent variable

• Dependent variable

• Controlled variable

Select the type of variable (Independent, Dependent and Controlled).

- The kind of potting soil

• Independent variable

• Dependent variable

• Controlled variable

Select the type of variable (Independent, Dependent and Controlled).

- Whether or not the plant receives fertilizer

• Independent variable

• Dependent variable

• Controlled variable

Select the type of variable (Independent, Dependent and Controlled).

- The amount of water the plant receives

• Independent variable

• Dependent variable

• Controlled variable

Select the type of variable (Independent, Dependent and Controlled).

- The color of light the plant receives

• Independent variable

• Dependent variable

• Controlled variable

Select the type of variable (Independent, Dependent and Controlled).

- How tall the plant grows

• Independent variable

• Dependent variable

• Controlled variable

Select the type of variable (Independent, Dependent and Controlled).

- The temperature of the room the plant is in

• Independent variable

• Dependent variable

• Controlled variable