Animals: Common Insects — Syllabus
ICSE · Class 3 · Science
What Animals: Common Insects covers in ICSE Class 3 Science: 4 topics, for the 2026-27 session. Part of the ICSE Class 3 Science syllabus.
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Topics in Animals: Common Insects
Common Insects
- Insects are found almost everywhere — in homes, gardens, soil, and water.
- Common insects include ants, houseflies, mosquitoes, cockroaches, beetles, butterflies, and bees.
- Butterflies are colorful and beautiful, while cockroaches and houseflies are usually dull in color.
Body Parts of an Insect
- All insects have three main body parts: head, thorax, and abdomen.
- The head has eyes, mouth, and antennae for smelling and feeling.
- The thorax has three pairs of legs and usually one or two pairs of wings.
Life Cycle of a Butterfly
- Butterflies go through four stages in their life cycle: Egg → Caterpillar → Pupa → Adult Butterfly.
- The female butterfly lays eggs on leaves.
- The caterpillar hatches from the egg and eats leaves to grow.
Social Insects
- Some insects live together in groups called colonies — these are social insects.
- Examples: ants, bees, wasps, and termites.
- In an ant colony, there are queen ants (lay eggs), worker ants (collect food), and male ants.
Key Concepts
Central concept: Insects
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