“Why Do Leaves Change Color in the Fall?” is a significant topic that students may be asked to write a paragraph about in school exams. As fall arrives, cooler weather causes leaves to change color, creating a beautiful transformation that signals the coming winter. Please check the various versions (in 100 words, 150 words, 200 words, and 300 words) provided below for the paragraph.
Paragraph on ‘Why Do Leaves Change Color in the Fall?’ in 100 Words
In the fall, leaves change color because of the weather. During summer, leaves are green because of a chemical called chlorophyll. Chlorophyll helps plants make food from sunlight. But when the weather gets cooler and the days get shorter, trees stop making chlorophyll. As the green color fades away, other colors like yellow, orange, and red show up. These colors are already in the leaves, but we can’t see them when the chlorophyll is there. The color change happens as trees get ready for winter when they don’t need leaves anymore.
Paragraph on ‘Why Do Leaves Change Color in the Fall?’ in 150 Words
Leaves change color in the fall because of changes in the weather. During spring and summer, the green color in leaves comes from a chemical called chlorophyll. Chlorophyll helps plants make food from sunlight. But as the days get shorter and the temperature cools down, trees start preparing for winter. They stop making chlorophyll, and the green fades away. As this happens, we start seeing other colors in the leaves, like yellow, orange, and red. These colors were always there but were hidden by the green. The red color comes from sugar in the leaves, and the yellow and orange colors come from other chemicals. This change helps trees save energy for winter.
Paragraph on ‘Why Do Leaves Change Color in the Fall?’ in 200 Words
In fall, leaves change color because of the changing weather. During the warm months, leaves are green because of a chemical called chlorophyll. Chlorophyll helps trees make food by using sunlight. But as the weather gets cooler and days get shorter, trees begin to prepare for winter. They stop making chlorophyll, and this makes the green color fade away. As the green disappears, other colors that were already in the leaves begin to show.
The yellow and orange colors come from chemicals called carotenoids, which are always in the leaf but are hidden by the green chlorophyll. The red color comes from a sugar that stays in the leaves, which turns red in cool weather. These color changes are a sign that trees are getting ready for winter.
The trees no longer need their leaves to make food when it’s cold, so the leaves fall off. This helps the tree save energy. The color change is a way for the tree to say goodbye to its leaves until the next warm season.
Paragraph on ‘Why Do Leaves Change Color in the Fall?’ in 300 Words
Leaves change color in the fall because of the changing seasons. During the spring and summer, trees need their leaves to help them make food. Leaves are green because of a chemical called chlorophyll. Chlorophyll works by using sunlight to help trees make food from air and water. But when fall comes, the days become shorter, and the weather cools down. This signals to the tree that winter is coming. Trees start preparing for the colder months, and they stop making chlorophyll.
When the chlorophyll disappears, other colors in the leaf that were hidden before start to show. For example, yellow and orange colors come from chemicals called carotenoids. These chemicals are always in the leaves, but the green chlorophyll was covering them. The red color comes from sugars that the tree keeps in the leaves. When it gets cooler, these sugars turn red, creating beautiful autumn colors.
The color changes are also a way for trees to get ready for winter. In winter, trees don’t need their leaves anymore because they don’t make food from sunlight. Instead, they conserve energy and survive with their roots. The leaves fall off as a result of this preparation.
The changing of the leaves is a beautiful signal that fall is here, and the trees are getting ready to rest during the cold winter months. When spring comes, the trees will grow new green leaves again, and the cycle starts all over.
MCQ’s on ‘Why do leaves change color in the fall?’
1. Why do leaves change color in the fall?
A. They grow new leaves
B. The weather changes
C. Trees make new chemicals
D. Animals eat the leaves
2. What is the green color in leaves caused by?
A. Carotenoids
B. Chlorophyll
C. Sugar
D. Water
3. What happens to chlorophyll in the fall?
A. It becomes brighter
B. It stops being made
C. It changes to red
D. It turns into sugar
4. What colors do we see in the leaves after chlorophyll fades?
A. Purple and pink
B. Yellow, orange, and red
C. Blue and green
D. Brown and black
5. What chemical causes yellow and orange colors in leaves?
A. Carotenoids
B. Chlorophyll
C. Water
D. Sugar
6. What causes the red color in some leaves?
A. Chlorophyll
B. Sugars in the leaves
C. Carotenoids
D. Water
7. Why do trees stop making chlorophyll in the fall?
A. To prepare for winter
B. To grow new leaves
C. To get more sunlight
D. To make the leaves change color
8. Why do leaves fall off the tree in the fall?
A. To make room for new leaves
B. To save energy for winter
C. To grow bigger leaves
D. To help the tree get sunlight
9. What does the color change in leaves signal?
A. Summer is coming
B. Winter is near
C. The tree is sick
D. The leaves are dead
10. What happens when spring comes?
A. Trees lose all their leaves
B. Trees grow new green leaves
C. Trees stop making food
D. Leaves stay the same color
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You may like these:
Why do leaves change color in the fall?
In fall, cooler temperatures cause chlorophyll to break down, revealing other pigments like red, orange, and yellow, giving leaves their vibrant colors.
Why are the leaves of some plants not green in colour?
Some plants have pigments like carotenoids or anthocyanins, which give leaves colors like yellow, red, or purple, often due to genetics or environmental factors.
Lotus Effect : Why are lotus leaves waterproof?
Lotus leaves are coated with tiny waxy structures that repel water, creating a self-cleaning surface by causing water droplets to bead up and roll off.
Why are leaves green?
Leaves are green because of chlorophyll, a pigment that helps plants absorb sunlight for photosynthesis, converting light into energy to produce food.
