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🌻 How Plant Parts Work

Explore how a plant's roots, stem, leaves, and flowers each do their own job to keep the whole plant alive.

lessons

~30 min

to learn

🔬 Science

subject

Ages 6–12

level

Start the course →

What you’ll learn

Roots and StemsExplain the jobs of roots and stems.Roots grow into the soil to take in water and minerals and to anchor the plant. The stem holds the plant up and works like a bundle of pipes, carrying water up from the roots and food down from the leaves.
Leaves: The Food FactoryExplain that leaves make food by photosynthesis using sunlight, water, and carbon dioxide.Leaves are flat and green to catch sunlight. Through photosynthesis, they use sunlight, water, and carbon dioxide to make sugar for food, and they give off oxygen that animals breathe.
Flowers and SeedsExplain that flowers make seeds through pollination for new plants.The flower's job is to make new plants. Flowers make pollen, and when pollen moves between flowers, often carried by bees, the flower makes seeds. Seeds are sometimes wrapped in fruit, and each seed can grow into a new plant.

Questions this course answers

What is the main job of a plant's roots?

The roots take in water and minerals from the soil, and they also anchor the plant.

What does the stem do?

The stem holds the plant up and carries water and food between the parts, like a bundle of pipes.

Which plant part makes food using sunlight?

The leaves make food using sunlight, which is why they are flat and green.

What is the process of leaves making food called?

Leaves make food in a process called photosynthesis, using sunlight, water, and carbon dioxide.

What is the main job of a flower?

A flower's main job is to make seeds so the plant can reproduce and grow new plants.

Besides taking in water, what else do roots do?

Roots also anchor the plant, holding it firmly so it does not blow away.

Grounded in trusted sources

Kew Gardens
BBC Bitesize
Britannica Kids

Every Wunder lesson is built from real, reputable sources — never invented.

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