Leaf Science
Record-Breaking Leaves
Leaves in Culture
100

Why do trees have leaves?

Leaves provide food for the tree by absorbing sunlight and performing photosynthesis.

100

How big are the world's biggest tree leaves?

Coccoloba gigantifolia, a tree from the Brazilian Amazon, has leaves that can reach 8 feet in length!

100

What leaf is on the Canadian flag?

A Maple leaf

200

What makes leaves green?

Chlorophyll, a compound that absorbs light energy from the sun during photosynthesis.

200

What are your chances of finding a four-leaf clover?

5,000 to 1

200

How many cities in the world are named Leaf?

Three, and all of them are in the USA. One in California, one in Mississippi, and one in Georgia.

300

Why do leaves change color in the fall?

They lose their chlorophyll, letting red and yellow pigments show instead.

300

What is the record for the most leaves on a single clover?

56

300

What is the most common color of fall leaves in NYC?

Yellow

400

Is a tree dead if it has no leaves?

No. Trees stop growing during the cold seasons, so they don't need leaves to produce food.

400

How tall was the world's biggest pile of leaves?

17 feet (and 20,000 pounds). That's almost as tall as Ro, Ayannah, and Ralphe combined!

400

Where will leaves be most vibrant this week in New York State?

Long Island and Hudson Valley.

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