純英語(yǔ)教學(xué)--美國(guó)小學(xué)生自然科學(xué)課程

life science
plant
a plant is a living thing that grows in the ground.it needs air, water and sunlight.
root
the roots of a plant take in water and hold the plant in the soil.
leaf
a leaf takes in light and air.leaves help the plant get food.
flower
plants have flowers.flowers make fruit.flowers are very beautiful.
fruit
fruit is the part of the plant with seeds. apples and lemons are common types os fruit.
branch
a branch is an arm—like part of a tree.
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