General
What date does the autumn equinox usually fall on in the Northern Hemisphere?
Around September 22 or 23.
What weather phenomenon often happens when warm and cool air collide in fall?
Thunderstorms.
What fruit is most commonly associated with fall harvests in North America?
What do squirrels do with acorns in fall?
Store them for winter.
What is the astrological sign for late September to late October?
Libra.
What happens to day and night during the autumn equinox?
They are roughly equal in length.
What type of fog is common in autumn mornings?
Radiation fog.
What grain is often harvested in fall and made into bread?
Wheat.
What animal begins hibernation preparations in autumn?
Bears.
What bird sound is often heard during autumn migration at night?
Honking of geese.
What pigment causes the red and purple colors in fall leaves?
Anthocyanin.
What weather pattern is often called “Indian Summer”?
A period of unseasonably warm weather in fall.
What orange vegetable is harvested in fall and used in soups and pies?
Pumpkin.
What insect is famous for migrating to Mexico in fall?
Monarch butterflies.
Which insect is nicknamed “fall cricket” for its chirps in autumn?
Field cricket.
Which pigment is responsible for yellow and orange colors in fall foliage?
Carotenoids.
What season follows fall in the Northern Hemisphere?
Winter.
What nuts are often gathered in fall and used in pies or candies?
Pecans.
Which mammals grow a thicker coat in autumn?
Deer, foxes, and rabbits.
What color do birch tree leaves turn in autumn?
Yellow.
Why do leaves change color in the fall?
Chlorophyll breaks down, revealing other pigments.
What natural event marks the end of fall?
The winter solstice.
What fall root vegetable is often roasted or mashed?
Sweet potatoes.
What owl is often associated with crisp autumn nights?
The great horned owl.
What sport season begins in the fall in the U.S.?
American Football
Which U.S. state is most famous for its fall foliage in New England?
Vermont.
During fall, do days get shorter or longer?
Shorter.
What purple vegetable is harvested in the fall and pickled in many cuisines?
Beets
What do honeybees do in autumn to prepare for winter?
Store honey and cluster for warmth.
What popular outdoor activity involves walking in forests to view foliage?
Leaf Peeping