Science Olympiad in grades 1-12, like a basketball or hockey team, involves year-round training, dedication, guidance, and practice. The National Science Olympiad (NSO) test is a global Olympiad competition in which students from all over the globe participate. It gives a platform for emerging talent to showcase their skills. Learners require these tests to prepare both for national and international competitions. This page is about Science Class 3 Chapter 1: Birds.
Science Chapter 2 For Class 3: Birds
Birds are beautiful flying creatures.
The head, trunk, and tail are the three components of its body. Legs and wings are their two sets of limbs. Birds have no legs but do have hands. Their wings are covered with feathers. Many birds use their wings to fly. The mouth of a bird is referred to as its beak. They lack teeth, though. Birds, on the other hand, can discern one from the other. The following features set birds apart from other animals and from one another.
All birds have feathers covering their bodies. Each bird has distinct feathers that allow it to execute a variety of jobs.
There are three kinds of feathers.
Flight feathers – Flight feathers let birds fly. They can be seen on both the wings and the tail.
Body feathers- Body feathers are colorful feathers that cover the entire body of the bird.
Down feathers- they are soft and fluffy feathers located near the body of a bird. They help birds keep their bodies warm.
Birds use their beaks to catch and devour food. Birds with diverse shaped beaks may consume a range of meals.
Claws and Feet
Every bird has two toes and two feet. The feet and claws let the bird walk, wade through water, and grab food. Different styles of foot are used by different birds to assist them traverse their surroundings and acquire food.
Most birds construct nests to deposit eggs and safeguard their young. They build their nest from grass, straws, twigs, and leaves. They build nests with their beaks. Tailorbirds, for example, use their beaks to weave together leaves to construct nests.
Different birds create different kinds of nests. Many birds make their nests in trees, but some, like the peacock and the duck, make their nests on the ground. The only birds that do not create nests are cuckoos. Crow nests are where they lay their eggs.
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