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Grade 3 Science and Technology · Growth and Changes in Plants

Plant Basics

Plants are living things. Explore what they need, how their parts help them survive, and how they change during their lives.

Start with survival

What helps a plant grow?

Plants need the right amounts of air, water, light, heat, nutrients, and space.

  • Air
  • Water
  • Light
  • Heat
  • Nutrients
  • Space
Every plant part has a job that helps the plant survive.

Your learning path

Plant Basics lessons

Work through these lessons in order so each idea builds on the one before it.

  1. What Plants Need

    Lesson

    Discover the six basic needs that help plants survive.

    Start lesson →
  2. Parts of a Plant

    Lesson

    Learn how roots, stems, leaves, flowers, and seeds help a plant.

    Start lesson →
  3. Interactive Plant Life Cycle

    Interactive

    Follow a flowering plant from seed to a new generation of seeds.

    Start lesson →