science 3 plant parts-root and stems
TRANSCRIPT
The different parts of the plants do different jobs.
Plants and trees have roots, they hold the plants in the soil.
Roots take water from the soil;
Water travels up the stem to the leaves;
Roots keep trees standing in the wind
There are different types of root:
This is a storage root:
Stems:
The stem grows up from the ground.
The stem carries water from the root to the leaves and flowers:
In the stem there are xylem and phloem:
The rings in a tree trunk show how many years it grow for:
Check your progress:
• How does water travel through the plant?
• What types of root do you know?
• What are the roots for?
• What are the stems for?
• What are the names of the hollow tubes in the stem?
• What is a trunk?
• How can we guess the age of the tree?