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One of the most common weeds. It can be found in fields and meadows.
Let’s make puppets using sticks, sheets of paper, scissors and coloured pencils!
The dog and the rabbit had such a bad quarrel while chopping down trees they have been angry with each other ever since.
Having eaten his delicious chicken, the fox yearned for some grapes, but he was unable to reach the bunches up high.
By using a compass, we can orientate ourselves during a school trip or a hike in the woods.
Calculating the height of a classic water tower with a tape measure and lots of sunshine.
The oil industry is able to meet the world’s growing need for fuel by a process called cracking.
A network that was originally designed for military and academic purposes has quickly conquered the world.
Pelicans are highly protected birds. They can be easily recognised by their pouched bill.
The journey from black-and-white silent films to colour high-definition films.
Let’s find out how to use the Test Editor tool.
Ravens are considered the most intelligent birds, displaying high learning ability and use of logic in solving problems.
One of the most common types of Anatidae, the ancestor of the domestic duck.
As seasons change, we see different constellations in the night sky. The North Star is easy to identify in a picture taken with long exposure time, as it...
Environmental organisations are against the use of PVC.
Let's find out how to use the 3D graph tool.
Have you ever heard about boomwhackers? Believe it or not, these are real musical instruments.
The use of bauxite, which is first processed into alumina and then into aluminium, can be harmful.
Let’s make a pinwheel! It is a witty little toy if you give it a go in windy weather, too!