Page 2 - ACTIVE SCIENCE 4 TOC

Leaves

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Learning Objectives

To Understand:
• Structure of a green leaf • How do plants prepare their food?
• Why do leaves change their colour in winter?

To Find Out:
• About photosynthesis

• How leaves change their colour in winter?

Let’s Begin

Leaves have many different shapes and sizes. These green parts of plants can trap
sunlight. They have tiny openings on their surface to allow the movement of water
and air in and out. Leaves are mainly of two types– Simple leaves and Compound leaves.

Given below are the pictures of simple and compound leaves.

Simple leaves have a single and an
undivided blade. The compound leaves
are divided and several leaves axis on the
same branch. Simple Leaf Compound Leaf

Identify whether the following leaves are simple or compound.

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Active Science-4