Dalia wants to use red paint on the outside of the dog house why does the paint appear red?

Hello!

The paint appears red because the paint reflects red light.

The paint is made of a pigment, which is a compound that absorbs a certain part of the visible light and reflects other. For the case of red paint, the pigment used absorbs every other color on the visible spectrum, reflecting red light, which reaches our eyes and we interpret this light as red color.

Have a nice day!

They can measure  the amount of energy gained or lost

Heating it up with cause a quicker reaction time