The leaves change color in the autumn.

Meaning: This means the flat, green parts of a plant are becoming different colors during the season between summer and winter.

Choice of Words: Leaves are the flat, green parts of a plant that grow from the stems. Change means to become different. Color is the property of an object that makes it appear different from other objects. Autumn is the season between summer and winter.

Alternative Expressions

The leaves of the trees transform their appearance in the fall.

Meaning: This means that the green leaves on the trees start to turn different colors in the autumn.

Choice of Words: Leaves are the green, flat parts of trees. Of the trees tells us that we are talking about the leaves that are attached to trees. Transform means to change in appearance or form. Appearance refers to the way something looks. Fall is another word for autumn, which is the season that comes after summer and before winter, when the days start getting shorter and the weather starts getting cooler. When you put all these words together, it means that the green leaves on the trees start to change their appearance in the fall.

In the autumn, the foliage on the trees undergoes a chromatic metamorphosis.

Meaning: This means that the green leaves on the trees start to turn different colors in the autumn.

Choice of Words: Autumn is the season that comes after summer and before winter, when the days start getting shorter and the weather starts getting cooler. Foliage is a fancy word for the leaves of trees. Undergoes means to experience or go through something. Chromatic means relating to color. Metamorphosis means a change in form or appearance. When you put all these words together, it means that the leaves on the trees change color in the autumn.

Related Expressions