Fall is full of small wonders, from the color of the leaves to the geese overhead. Today’s nine questions explore the science and nature of the season. Pick your answer, then read the explanation.
Which pigment makes leaves green during spring and summer?
Which pigments give leaves their yellow and orange colors, and are present in the leaves all year?
Botanically speaking, a pumpkin is which of these?
Acorns are the nuts of which kind of tree?
What shape do Canada geese often form when they fly south together?
Eastern monarch butterflies migrate each autumn to spend the winter in which country?
What is the only plant that monarch caterpillars eat?
Which of these trees is deciduous, meaning it drops all its leaves each autumn?
What are pumpkin seeds that are roasted and eaten also called?
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How to Play
- Tap the choice you think is right.
- Tap Check to see if you are right, and read the short explanation.
- Use Hint or Show answer any time you like.
- Your progress is saved on this device, so you can finish later.
A Fun Fact About Fall Colors
The yellow and orange colors in leaves are there all summer long, but green chlorophyll hides them. As days shorten and the weather cools, the green fades and the hidden colors show through. Red leaves are different, because the tree makes that pigment fresh in the fall.