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Oak	Lobed leaves and acorns		fun-trees-and-leaves
Maple	Leaves with pointed lobes, winged seeds, and sweet sap		fun-trees-and-leaves
Pine	Needles in bundles, cones		fun-trees-and-leaves
Spruce	Short stiff single needles, hanging cones		fun-trees-and-leaves
Fir	Flat soft needles; popular Christmas trees		fun-trees-and-leaves
Birch	White papery bark that peels		fun-trees-and-leaves
Aspen	Round leaves that shimmer and tremble in the wind		fun-trees-and-leaves
Elm	Lopsided toothed leaves, vase shape		fun-trees-and-leaves
Willow	Long narrow leaves and drooping branches near water		fun-trees-and-leaves
Cottonwood	Triangular leaves and fluffy seeds		fun-trees-and-leaves
Sycamore	Peeling patchy bark and large leaves		fun-trees-and-leaves
Beech	Smooth gray bark and oval toothed leaves		fun-trees-and-leaves
Hickory	Compound leaves and hard nuts		fun-trees-and-leaves
Walnut	Long compound leaves and round nuts in green husks		fun-trees-and-leaves
Cedar	Scale-like leaves and fragrant wood		fun-trees-and-leaves
Redwood	The tallest trees, on the California coast		fun-trees-and-leaves
Sequoia	The giant sequoia is the biggest tree by volume		fun-trees-and-leaves
Cypress	Some grow knobby 'knees' in swamps		fun-trees-and-leaves
Palm	Big fronds and no real branches		fun-trees-and-leaves
Apple tree	Pink-white blossoms in spring and apples in fall		fun-trees-and-leaves
Cherry tree	Pink blossoms and small red fruit		fun-trees-and-leaves
Orange tree	Evergreen with shiny leaves and white fragrant flowers		fun-trees-and-leaves
Ginkgo	Fan-shaped leaves; an ancient kind of tree		fun-trees-and-leaves
Sweetgum	Star-shaped leaves and spiky balls		fun-trees-and-leaves
Tulip tree	Leaves with a notched end and tulip-like flowers		fun-trees-and-leaves
Dogwood	Showy white or pink flower bracts in spring		fun-trees-and-leaves
Magnolia	Big creamy flowers and glossy leaves		fun-trees-and-leaves
Mulberry	Berries that look like blackberries		fun-trees-and-leaves
Hawthorn	Thorny small tree with red berries		fun-trees-and-leaves
Black locust	Rows of small leaves and thorns		fun-trees-and-leaves
Evergreen	A tree that stays green all year		fun-trees-and-leaves
Deciduous	A tree that drops its leaves in the fall		fun-trees-and-leaves
Conifer	A tree that bears cones		fun-trees-and-leaves
Broadleaf	A tree with wide, flat leaves		fun-trees-and-leaves
Photosynthesis	How leaves make food from sunlight, water and air		fun-trees-and-leaves
Chlorophyll	The green stuff in leaves that catches sunlight		fun-trees-and-leaves
Why leaves change color in fall	Chlorophyll fades, showing yellows and oranges that were hidden		fun-trees-and-leaves
Tree rings	Each ring is about one year of growth		fun-trees-and-leaves
Bark	Protective outer covering of a tree		fun-trees-and-leaves
Roots	Hold the tree and drink water from soil		fun-trees-and-leaves
Trunk	The main stem that holds up the tree		fun-trees-and-leaves
Canopy	The top layer of leaves in a forest		fun-trees-and-leaves
Sap	Liquid that carries food and water inside a tree		fun-trees-and-leaves
Maple syrup	Made by boiling maple sap		fun-trees-and-leaves
Acorn	The nut of an oak tree		fun-trees-and-leaves
Pinecone	Where pine seeds grow		fun-trees-and-leaves
Samara	A winged seed, like a maple 'helicopter'		fun-trees-and-leaves
Simple leaf	A leaf with one blade		fun-trees-and-leaves
Compound leaf	A leaf split into many small leaflets		fun-trees-and-leaves
Needle leaf	A thin, needle-shaped leaf		fun-trees-and-leaves
Arborist	A person who cares for trees		fun-trees-and-leaves
Forester	A person who manages forests		fun-trees-and-leaves
Arbor Day	A holiday for planting trees		fun-trees-and-leaves
Oldest living trees	Bristlecone pines live thousands of years		fun-trees-and-leaves
Banyan	A tree whose branches grow roots down to the ground		fun-trees-and-leaves
Baobab	African tree with a very thick trunk, nicknamed the upside-down tree		fun-trees-and-leaves
Mangrove	Tree with roots standing in salty water		fun-trees-and-leaves
Rubber tree	A tree whose sap is used to make rubber		fun-trees-and-leaves
Cork oak	Oak whose bark is used for corks		fun-trees-and-leaves
Eucalyptus	Tree whose leaves koalas eat		fun-trees-and-leaves
Coconut palm	Palm that grows coconuts		fun-trees-and-leaves
Poison ivy	A vine, not a tree: 'leaves of three, let it be'		fun-trees-and-leaves