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How do plants grow?
Plants grow by using water, sunlight, and food from the soil.
Plants start life as a seed. When a seed falls into the soil, it drinks water and swells up. Then roots start growing downward, and a stem starts growing upward.
The plant's leaves catch sunlight. They mix this light with water from the roots and carbon dioxide from the air to make food. This is called photosynthesis.
With this food, the plant's cells multiply, its stem gets thicker, and it grows taller. Over time, branches, flowers, and new seeds appear. This is how the plant keeps growing and helps new plants be born too.
Quick facts
- Plants need water, light, and carbon dioxide from the air to grow.
- Roots hold the plant in the soil and soak up water.
- Chlorophyll in the leaves catches sunlight.
- During photosynthesis, plants make oxygen.
- Every plant starts from a tiny seed.
Check what you remember
3 questions — all of them come from the quick facts above. There is no score and no wrong turn.
1. Which three things do plants always need to grow?
2. What do roots do for a plant?
3. What do plants give off into the air during photosynthesis?
Where this comes from
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1 tr.wikipedia.org 85/100Photosynthesis - Wikipedia
A trustworthy encyclopedia page that explains how plants make food.
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2 tr.wikipedia.org 80/100Plant - Wikipedia
A page that explains the general features and growth of plants.
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