Question

Kate gathered three boxes of the same size made of different materials: glass, clear plastic, and aluminum painted black. She placed them on a windowsill in the sun for an hour and then measured the warmth of the air in each box. In this experiment, the warmth of the air is a(n)

Answer 1

In this experiment, the warmth of the air is an dependent variable.

Answer 2

Dependent variable

Step-by-step explanation:

In an experiment, Independent variable means the one which is being changed to observe changes in the other variable (dependent). The environmental factor which is kept stable is known as constant.

In the given experiment, the material is an independent variable. The warmth of the air is dependent variable because the warmth will depend on the material. All the boxes are kept in same place. This is constant. All the boxes are kept for 1 hour. Time is the control.