Autumn Season Overview

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Questions and Answers

What is the primary reason for leaves changing color in autumn?

The trees are preparing for winter and need to conserve energy.
The leaves are getting ready to fall off the tree branches.
The increase in wind causes the leaves to lose chlorophyll.
The weather is getting colder, causing the leaves to lose their color.
The days are getting shorter, leading to less sunlight, which affects the production of chlorophyll. (correct)

What is a notable change that occurs in the weather during autumn?

The weather becomes colder and windier. (correct)
The weather becomes hot and humid.
There is an increase in precipitation, leading to heavy rainfall.
The weather remains relatively constant throughout the season.

Why do animals start storing food during autumn?

They store food specifically for the young animals that will be born in the spring.
They store food because the increased wind makes it difficult to find food in the winter.
They store food to help them cope with the shorter days.
They prepare for the upcoming winter months when food might be scarce. (correct)

Apart from the leaves turning color, what other characteristic marks the end of the harvest season?

<p>The falling of leaves from the trees. (B)</p> Signup and view all the answers

Which of the following is NOT a typical characteristic of autumn?

<p>Trees start blooming with new flowers. (D)</p> Signup and view all the answers

Flashcards

Autumn

The season that occurs between summer and winter, characterized by cooler temperatures, shorter days, falling leaves, and the beginning of the harvest season.

Leaf Color Change

The process of leaves changing color from green to vibrant shades of red, yellow, and orange due to a decrease in sunlight.

Leaf Fall

The period in autumn when leaves fall from trees, signifying the end of the growing season.

Frost

A thin layer of ice crystals that forms on surfaces when temperatures drop below freezing.

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Food Storage

The action of animals gathering and storing food in preparation for the harsh winter months when resources are scarce.

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Study Notes

Autumn: A Transition Season

Autumn occurs between summer and winter, one of four temperate seasons.
Commonly called "fall" due to leaves falling from trees.
Weather becomes colder and windier.
Days shorten during autumn.
Tree leaves change color from green to vibrant reds, yellows, and oranges due to reduced sunlight.
Trees need sunlight to maintain healthy green leaves.
Leaves fall as autumn progresses, signifying the end of the harvest.
Frost replaces dew on the grass as temperatures drop to freezing.
Animals prepare for winter by storing food.
Autumn marks the transition from summer's warmth to winter's cold.