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Grade 3 · Science · Unit 1 of 5

Plant Parts & Needs

Roots, stems, leaves, flowers and what plants need

What your child practises

Roots, stems, leaves, flowers (with the stamen and pistil), fruit, seeds and cones, plus what plants need to live: air, water, light, heat, nutrients and space.

New Brunswick Curriculum skill descriptor: Scientific Literacy: Sensemaking · plant parts and what plants need

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

  1. Question 1

    Is it above the ground or below the ground? Tap an item, then tap its basket.

    Sort into: ☀️ above ground · 🕳️ below ground

    • 🌱radish (a root)
    • 🌱root hairs
    • 🌳tree roots
    • 🌿stem
    • 🍎fruit
    • 🌼flower

  2. Question 2

    A seed has a hard coat. What does it do?

    🌰
    • makes pollen
    • protects the baby plant inside
    • catches sunlight
    • drinks water for the plant

  3. Question 3

    A tree's roots spread out far under the ground. How does that help the tree?

    🌳
    • it makes more leaves
    • it lets the tree fly seeds
    • it keeps the tree warm
    • it takes in lots of water and stays upright in wind

  4. Question 4

    Which part of a flower makes pollen?

    🌼
    • the stamen
    • the stem
    • the petal
    • the pistil

  5. Question 5

    Which part of a plant holds it up and carries water to the leaves?

    🌿
    • the stem
    • the seed
    • the flower
    • the roots

  6. Question 6

    Leaves have tiny openings. What do they let in?

    🍃
    • soil
    • rocks
    • air (carbon dioxide)
    • seeds

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