Understanding Leaf Color Changes

Leaves change color in the fall because they stop producing chlorophyll, the green pigment used for photosynthesis. As chlorophyll fades, other pigments like yellow, orange, and red become visible. These pigments were always present but were overshadowed by the green chlorophyll. The change is due to reduced sunlight in fall and winter, which limits the plant's ability to make food.

What is the role of chlorophyll in leaves?

• It helps plants make food using sunlight.

• It stores water for the plant.

• It protects leaves from insects.

• It gives leaves their red color.

What is a pigment in the context of leaves?

• A substance that gives color

• A type of leaf disease

• A kind of plant food

• A type of soil nutrient

Why do plants stop producing chlorophyll in the fall?

• Because the soil becomes too dry.

• Because the leaves fall off the trees.

• Because there is less sunlight available.

• Because the temperature becomes too hot.

What happens to the green color of leaves in the fall?

• It becomes more vibrant.

• It turns into a blue shade.

• It changes to black.

• It fades away to reveal other colors.

Which colors become visible in leaves when chlorophyll fades?

• Blue and purple

• Black and white

• Yellow, orange, and red

• Pink and brown