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Gr 4 Science Ch 3

Gr 4 Science Ch 3.2-3.3 - Types of Trees

pines have long, thin needles that usually grow in bundles of two to five
hemlocks have very short, flat needles growing on little stalks on each branch. Each needle is dark green on the top side and lighter green underneath.
fir trees have single needles that grow directly on the twig, not on a stalk. Their cones grow only on the top side of the branch, pointing upward.
spruce trees have short, four-sided needles that grow in spirals on stalks. Their cones grow on the bottom side of the branch, pointing down.
oak trees most easily distinguished by their fruits, which are called acorns. Their leaves grow in an alternate pattern, with a leaf on one side of the branch, a space, and then a leaf on the other side of the branch.
elm trees easily recognized by their fruits, which are small, flat seeds encased in paperlike wings. Their leaves are oval-shaped, toothed, or notched, along the edges
maple trees their leaves is a broad leaf which resembles a hand and grow in pairs that are always opposite each other on the branch. The fruit of this tree is called keys.
palm trees neither a broadleaf nor a needleleaf. They do not have annual rings or bark. A bud in the center of the crown controls its growth.
raffia palm has the biggest leaf in the world - 65 feet long
coconut palm the most useful kind of palm (eating, cooking, oils, soaps, margerine)
date palm important for the delicious fruit it produces
sabal palm and Washington palm two native American palms
Created by: mbrennan262



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