1. Plants and their parts
My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited

2. Questions to think about…
What are the parts of a plant that help it to grow well?
What are the functions of these parts?
My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited

3. Plants are systems A plant is a system.
Although they can be different in shape and size, most plants have the same main parts.
Each plant part carries out an important job.
leaf
stem
flower
roots
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4. What are the functions of plant parts?
Leaves
Leaves come in many shapes, sizes, colours, textures and smells.
My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited

5. What are the functions of plant parts?
Leaves
Despite differences in appearance, leaves are made up of the same basic parts.
These are the leaf stalk, leaf blade and veins.
leaf stalk
veins
blade
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6. What are the functions of plant parts?
Leaves
Plants make their own food.
Food is made in the leaves.
My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited

7. What are the functions of plant parts?
Roots
Roots come in many shapes, sizes and colours too.
roots
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8. What are the functions of plant parts?
Roots
The roots hold a plant firmly to the soil.
Roots take in water and mineral salts for the plant too.
Mineral salts help the plants to grow well.
My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited

9. What are the functions of plant parts?
Roots
Some roots store food for the plant.
My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited

10. What are the functions of plant parts?
Stems
The stem supports a plant.
It holds the leaves up so that they can get sunlight to make food.
My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited

11. What are the functions of plant parts?
Stems
In some plants, the stem stores food.
My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited
My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited

12. What are the functions of plant parts?
Stems
Stems connect the leaves and roots of a plant together.
Water and mineral salts taken in by the roots travel up the stem to other parts of the plant.
Food formed by the leaves moves down the stem to other parts of the plant.
My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited

13. My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited

14. The end
My Pals are Here! Science © 2008 Marshall Cavendish (Singapore) Private Limited