Fossils: Rocks that reveal the past

We can sometimes find fossils in rocks. They are the preserved remains of plants and animals that lived on Earth millions of years ago.
Palaeontologists are scientists who study fossils because they can give us information about climate and the environment in the past. For example, if you find the remains of marine animals in rocks, then this area was probably under the sea thousands of years ago.
Fossils can be plant remains, or remains of animal bones, skeletons or teeth.
Special fossils called "ichnites" are rocks with dinosaur footprints. These fossils can be found in various parts of Spain, in the Autonomous Community of Rioja, and in the provinces of Teruel and Soria.

Body quiz

1. What do your bones form?
2. Write two bones in your arm
3. Write two bones in your leg
4. Write one of the joints in your arm
5. Write one of the joints in  your leg
6. Write one muscle you use to move your arm
7. What is the name of a muscle in your chest?
8. What muscles do you use to express feelings?
9. What goes into your lungs?

 

Making yoghurt.

Yoghurt is very good for you. It has got a lot of calcium and protein. It is very easy to make.

You need: a) Half a litre of milk..b) A spoonful of plain yoghurt c) A glass jar with a lid

1. heat the milk, but don´t boil it.
2. let the milk cool.
3. put a spoonful of yoghurt in the jar. Add the milk. Stir the milk and the yoghurt. Put the lid on the jar.
4. wrap the jar in newspaper. Leave it in a warm place for six hours.
5. put the jar in the fridge until it is cold.

Natural medicines

For thousands of years, people have used plants for food, wood, clothes, dyes and medicines.
For example, hundreds of years ago, native American Indians used the bark of the willow tree to relieve pain. Nowadays, a substance is taken from the bark of this tree to make the well-known medicine called aspirin.
There are many other examples of medicinal plants, however, not many of them are used nowadays because most medicines are made artificially in laboratories.
However, you can still find natural medicines in people´s homes. These include teas, eucalyptus, thyme, tilia, rosemary, nettle, chamomile and valerian.

PARTS OF THE PLANT

Blue beauty

Marvellous photos taken by astronaut: Sunita Williams

LONG LIVE THE HAMBURGUER!

Did you think hamburguers were a modern food? Believe it or not, the origin of the hamburguer goes all the way back to ancient Egypt – more than four thousand years ago! Much later, the soldiers of Genghis Khan, a Mongol emperor in the 13th century, ate steak of minced beef. They took this recipe with them to Russia. Russians eat a variation called “tartar steak”: raw, minced meat mixed with many spices. The name “hamburguer” comes from the German city of Hamburg, where it was very popular in the 14th century. This is when the hamburguer began to look like the ones we see today: a flat cake of minced beef placed between two slices of bread. The hamburguer arrived in Britain in the 19th century. After that, the British introduced this food to the USA. Nowadays, the hamburguer is one of the most popular meals in the world.

UNDER THE SEA

Life under the sea is very different from on land. It is difficult for people to see, hear and move well under the water. Unlike fish, people cannot obtain oxygen directly from water. Instead, they need to carry oxygen tanks with them. People need to be healthy and in good shape to stay underwater for a long time. Their hearts, ears and lungs must be strong, since these are the organs that suffer the most underwater. People need special equipment for underwater diving such as a diving mask, fins, a wetsuit, a weight belt, a compressed air cylinder and some goggles.

AT THE ROYAL BOTANIC GARDEN (Primary 3 2011/12)

Jack and the beanstalk

Jack and the beanstalk are the main characters in this outstanding tale.

Enjoy it

SEVERE WEATHER

When a storm contains thunder and lightning, it is called a thunderstorm. Lightning is a bright flash of electricity.
Snowstorms is a heavy fall of snow.
Floods sometimes happen after very heavy rain, when a lot of snow melts or rivers rise.
Droughts occurs when there is very little rainfall for a long time





It is pouring down



A BEAUTIFUL TALE

the forest in danger

ANIMALS IN DANGER

You can help these animals

GET MOVING

Some animals stay in one place all their lives. They do not move. For example, sponges and barnacles live attached to rocks. However, most animals can move around, and they do it in different ways.

Birds bats and insects fly.

Fish, whales and sea turtles swim.

Snakes slither.

Lizards and crocodiles crawl.

Humans, ostriches and mice walk.

Animals move at different speeds. Walking at a normal pace, human beings usually walk five or six kilometres per hour. Some animals can travel in one hour a distance that takes other animals a whole year!

THINK OF IT

20 Water Facts

View more presentations from NYC Twestival

THE WATER CYCLE RAP

WATER CYCLE SONG

OPTICAL ILLUSION

Sometimes the brain interprets the information it receives from the eyes in a different way. This produces an optical illusion: we see something differently from reality. An optical illusion is not real. 

Which line appears longer?

OUR SIGHT

We can see because our brain interprets the information it receives from our eyes.
First, the eyes capture an image from the outside world.
Then, the eyes convert this information into nerve impulses. Nerve impulses are small electric currents than run through our nerves.
After that, the nerves carry this information to the brain.
Finally, the brain receives and interprets this information. This is how we see.