Science Grade 2-3

Plant Parts and Their Jobs

Learning how roots, stems, leaves, flowers, fruits, and seeds help plants live

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Learning how roots, stems, leaves, flowers, fruits, and seeds help plants live

Science - Grade 2-3

Instructions: Read each problem carefully. Write your answer in complete sentences when you can. Use the word bank ideas from class: roots, stem, leaves, flower, fruit, seeds.
  1. 1
    A plant with roots underground reaching toward water in the soil.

    Name the plant part that usually grows underground and takes in water from the soil. Explain its job.

  2. 2
    Water moving upward through a plant stem.

    A plant's stem is like a straw. What does the stem move through the plant?

  3. 3
    A simple plant with roots, stem, leaves, and flower, with leaves emphasized.

    Circle the plant part that makes food for the plant: roots, stem, leaves, flower.

  4. 4
    A bee visiting a flower with pollen at its center.

    Look at a flowering plant. What is the main job of the flower?

  5. 5
    A tomato plant with a cut tomato showing seeds inside.

    A tomato grows on a plant and has seeds inside it. Which plant part is the tomato: a root, stem, leaf, flower, fruit, or seed? Explain.

  6. 6
    A sprouting seed in soil with water, sun, and air.

    Seeds can grow into new plants. What does a seed need to begin growing? Name two things.

  7. 7
    Roots take in water, the stem carries water, and leaves receive sunlight.

    Match each plant part to its job: roots, stem, leaves. Jobs: holds the plant up and carries water, takes in water from soil, makes food for the plant.

  8. 8
    Water soaking into soil toward the roots of a wilted plant.

    A plant is wilting because it has not been watered. Which plant part takes in the water first?

  9. 9
    An unlabeled plant diagram with roots, stem, leaves, and flower.

    Label the parts of a simple plant drawing: root, stem, leaf, flower. Then write one job for one part.

  10. 10
    A fruit with seeds and a bird helping spread seeds.

    Why do many plants have fruits around their seeds?

  11. 11
    A cactus with spines beside a leafy plant in sunlight.

    A cactus has spines instead of wide leaves. Spines help protect the cactus and save water. What job do most leaves do on other plants?

  12. 12
    A plant life cycle from seed to sprout to leafy plant to flowering adult plant.

    Put these steps in order: A seed sprouts, a seed is planted in soil, the plant grows leaves, the adult plant makes flowers and seeds.

  13. 13
    A healthy plant showing roots, stem, leaves, flower, and fruit.

    Choose one plant part and describe how it helps the whole plant survive.

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