Despite the danger, many people all over the world live near volcanoes. The ash that explodes out of a volcano makes the soil very rich for growing crops. People also use volcanic rock for building. Is it true? You only get volcanoes on /an There are hundreds of volcanoes on land and many […]
How do rainforests grow
Rainforests grow in layers depending on the height of the trees. The tallest trees poke out above the forest. Below them is a thick roof of tree-tops called the canopy. Next comes a layer of shorter trees, herbs and shrubs. What are grasslands? Grasslands are huge plains of grass, trees and bushes. They […]
Which country has most islands
Which country has most islands? The country of Indonesia in South East Asia is made up of more than 13,000 islands. But many of the islands f are tiny and people only live on about 1,500 of them. Is it true? New islands keep being made. YES. In 1963, a new island, called […]
How high are waterfalls
How high are waterfalls? The highest waterfall in the world is Angel Falls in Venezuela. It plunges 979 metres down the side of a mountain. Angel Falls are 20 times higher than the famous Niagara Falls in North America. Is it true? Rivers into the seal. YES. Most rivers flow into the sea […]
Where do rivers begin
Where do rivers begin? Rivers begin as fast-flowing streams high up on mountainsides. Some streams bubble up from underground. Others flow from lakes or trickle from the tips of icy glaciers when they start to melt. The 1 start of a river is called its source. Amazing! The world’s shortest river is D River […]
Why is the sea salty
Why is the sea salty? The sea’s salty taste comes from ordinary salt. It’s the same stuff you sprinkle on your food. The rain washes the salt out of rocks on land, then rivers carry it into the sea. The people in the picture are collecting salt left after sea water dries. Is […]
Which is the longest glacier
Glaciers are enormous rivers of ice that flow slowly down a mountainside. The Lambert-Fisher Glacier in Antarctica is over 600 kilometres long. It’s the longest glacier in the world. About a tenth of the Earth is covered in icy glaciers. Why does the sea flow in and out? Twice a day, the sea […]
Why are mountains shrinking
Why are mountains shrinking? It takes millions of years for mountains to grow. But many are shrinking every day. Mountains are being worn away by wind, frost and ice, which attack the peaks and break off chips of rock. Where are the highest mountains? The highest mountains in the world are the Himalayas in […]
What’s inside the Earth
The Earth is made up of layers of rock and metal. We live on the hard, rocky surface, called the crust. Below, the layers are so hot that they’ve melted and turned runny. The centre of the Earth is a ball of almost solid metal. Amazing! People used to think the Earth was flat. […]
Did dinosaurs care for their young
Did dinosaurs care for their young? Yes, some did. Maiasaura, whose name means ‘good mother lizard’, cared for its young. Parents looked after them until they were old enough to take care of themselves. Is it true? Every animal on Earth died out with the dinosaurs. Lots of animals survived. Birds, mammals, amphibians, […]