Chocolate is a food that is popular all over the world. It is made from the seeds of the cacao tree. It can be eaten and also used as a flavour in ice cream, candy and other foods. Many people like the taste of chocolate and those who work hard eat it to give them energy. History of chocolate Chocolate originally came from Mexico and […]
Butterflies and moths are flying insects that have brightly coloured wings. There are about 100 000 different types of butterflies and moths in our world today. They live in all regions, except Antarctica. Physical features Like all insects, butterflies and moths have three pairs of legs . Their bodies aredivided into three parts: the head, thorax and abdomen. Butterflies have a large eye on both […]
The bones in our body form our skeleton. They help to support our body andprotect important organs. Bones also store nutrients and minerals, and they are places where blood cells are made. Humans have more than 200 bones in their bodies – all of different shapes and sizes. Like other parts of our body bones keep changing all the time. They are alive and grow, especially when […]
Blood is an important fluid that keeps us alive. We cannot live without it. The heart pumps blood to all parts of the body and brings them oxygen and food. At the same time blood carries all the substances we don’t need away from us. Blood fights infections, keeps our body temperature the same and carries chemicals that control body functions. Finally, blood […]
Why do human beings look a bit like monkey or apes ? Why are dolphins good swimmers? Why do giraffes have long necks ? The answer to all these questions is evolution. Evolution is the way life changes through time. All living things are connected together like branches in a tree. Plants and animals are related to one another through their ancestors. For example, […]
The human heart is a muscle that lies left of the chest . It has about the size of afist . The heart is like a pump that sends blood around your body. The blood gives you the oxygen you need . An average heart pumps about 70 millilitres of blood into your body with every beat . That’s about 5 litres every minute or about […]
The fastest bird is the peregrine falcon . It can swoop down on its prey at a speed of 300 km an hour. The largest bird is the ostrich. It can grow as tall as 2.5 metres and it weighsabout 150 kg. The smallest bird is the hummingbird. It measures about 5 cm and weighs only 3 grams. The greatest traveller is the Arctic tern. It […]
Aquatic Birds These are birds that spend most of their time over oceans or in saltwater. They get their food from animals and plants of the sea. Some birds, like pelicans, often switch between salt and freshwater habitats. Albatrosses, penguins, pelicans, ducks, geese and swans belong to this group. Wading Birds Many birds have long legs and live […]
Birds are animal with feathers. Because they can fly, they are the fastest animals on Earth . Some birds can reach speeds of up to 160 km an hour. However, not all birds can fly. Some birds, like ostriches can run and penguins can swim. There are about 10,000 kinds of birds. The smallest bird is the hummingbird which […]
Crocodiles belong to the largest living reptiles. They, and their look-alikes , the alligators, have a long body that looks like a cigar, short legs and long, powerfultails to swim. They have long snouts and sharp teeth to kill and eat their victims. Crocodiles live in tropical countries all over the world. They prefer shallow water, rivers and swamps. Using their webbed feet, they can walk on […]