Asystem in which only energy but not matter is exchanged

A closed system is a system where only energy is transferred or exchanged with its surroundings. Matter is not part of this exchange. An open system includes the transfer and exchange of both matter and energy with the system's surroundings.

Explanation:do u understand

i tried the eyeshadow trick you told me about and it worked so good i i did a yellow going into orange colors and it was bright and you could see it on my eyes