Browse content similar to 25/02/2018. Check below for episodes and series from the same categories and more!
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Hey, guys. | 0:00:12 | 0:00:13 | |
I'm Naz,
and this is Newsround. | 0:00:13 | 0:00:16 | |
The Closing Ceremony of
the Winter Olympics has taken place. | 0:00:16 | 0:00:20 | |
There were lots of fireworks,
music and entertainment | 0:00:20 | 0:00:22 | |
as the athletes celebrated
the end of the 2018 Games. | 0:00:22 | 0:00:27 | |
Team GB came 19th in the medal
table - winning five. | 0:00:27 | 0:00:30 | |
Snowboader Billy Morgan
carried the flag. | 0:00:30 | 0:00:38 | |
Athletes from Russia
were not allowed to parade | 0:00:39 | 0:00:40 | |
under the Russian flag. | 0:00:40 | 0:00:42 | |
168 of them competed
at the Winter Games, | 0:00:42 | 0:00:44 | |
but under a neutral flag. | 0:00:44 | 0:00:45 | |
The country was banned
from the Olympics because of doping | 0:00:45 | 0:00:47 | |
at the last Games in Sochi. | 0:00:47 | 0:00:48 | |
It is thought the Russian Government
may have helped athletes take drugs | 0:00:48 | 0:00:51 | |
to give themselves an unfair
advantage in competitions. | 0:00:51 | 0:00:53 | |
But now the ban could be lifted
if there is no more doping. | 0:00:53 | 0:01:01 | |
On to footy now.
In the Premier League, | 0:01:01 | 0:01:03 | |
Tottenham and Crystal
Palace ended 1-0. | 0:01:03 | 0:01:05 | |
Harry Kane scored
in the 89th minute. | 0:01:05 | 0:01:06 | |
And at Old Trafford,
Man United are playing Chelsea. | 0:01:06 | 0:01:09 | |
United need to win if they want
to get back to second in the table. | 0:01:09 | 0:01:15 | |
And later it's the first big final
of the year, | 0:01:15 | 0:01:17 | |
as Arsenal take on
Manchester City at Wembley | 0:01:17 | 0:01:19 | |
in the League Cup. | 0:01:19 | 0:01:21 | |
Both teams will hoping
to get their hands on their | 0:01:21 | 0:01:24 | |
first trophy this year. | 0:01:24 | 0:01:28 | |
Next, Steve Backshall
is taking on one of the scariest | 0:01:28 | 0:01:31 | |
challenges of his life - | 0:01:31 | 0:01:32 | |
trying to climb a huge
mountain in Switzerland. | 0:01:32 | 0:01:35 | |
The north face of the Eiger
is 1,800 metres high | 0:01:35 | 0:01:37 | |
and very hard to climb. | 0:01:37 | 0:01:41 | |
So Steve's practicing on another
massive Swiss mountain and we've | 0:01:41 | 0:01:45 | |
just heard how he's got on. | 0:01:45 | 0:01:47 | |
So, we are over halfway
up the Stockhorn. | 0:01:47 | 0:01:51 | |
I am on the lead. | 0:01:51 | 0:01:54 | |
Leo is down behind me
in the gully somewhere. | 0:01:54 | 0:01:57 | |
It is absolutely stonking up here. | 0:01:57 | 0:02:02 | |
We have probably only
got, I don't know, | 0:02:02 | 0:02:06 | |
about an hour's climbing more to go
until we reach the summit. | 0:02:06 | 0:02:09 | |
And about time! | 0:02:09 | 0:02:11 | |
I could really do with a cup of tea. | 0:02:11 | 0:02:17 | |
We are on the summit
of the Stockhorn. | 0:02:17 | 0:02:19 | |
The wind is raging up here.
And that is our view. | 0:02:19 | 0:02:23 | |
We are up above the clouds.
And I am out of here! | 0:02:23 | 0:02:27 | |
Well done, Steve! | 0:02:27 | 0:02:29 | |
And if you want to know more,
then head to the CBBC website. | 0:02:29 | 0:02:35 | |
Next, Dr Tom has the answer to a big
question ? how are fireworks made? | 0:02:35 | 0:02:39 | |
Dr Tom is an expert,
so please don't try this at home. | 0:02:39 | 0:02:47 | |
Hello, I'm Dr Tom. | 0:02:50 | 0:02:53 | |
I'm a fireworks expert
and I'm here to answer this | 0:02:53 | 0:02:55 | |
week's big question. | 0:02:55 | 0:02:56 | |
Which is... | 0:02:56 | 0:03:03 | |
So fireworks are really
just lots of different | 0:03:03 | 0:03:06 | |
chemical reactions going on,
so to make colours we add metal | 0:03:06 | 0:03:08 | |
salts to the basic firework mix. | 0:03:08 | 0:03:10 | |
So, to get a red we strontium salts. | 0:03:10 | 0:03:12 | |
To get the green
we add barium salts. | 0:03:12 | 0:03:14 | |
To get yellow, we add sodium salts. | 0:03:14 | 0:03:16 | |
And to get a blue, which is the most
difficult firework colour | 0:03:16 | 0:03:20 | |
to get, you add copper
salts to the basic mix. | 0:03:20 | 0:03:23 | |
So what you would pack
into the fireworks to make | 0:03:23 | 0:03:25 | |
the effect in the sky
are what are called stars. | 0:03:25 | 0:03:27 | |
And there is a star. | 0:03:27 | 0:03:29 | |
This happens to be one that
will burn violet and then when it | 0:03:29 | 0:03:32 | |
gets towards the middle,
it changes and burns | 0:03:32 | 0:03:34 | |
with silver sparks. | 0:03:34 | 0:03:35 | |
It is about the size of a pea
and there will be hundreds of those | 0:03:35 | 0:03:38 | |
within the firework shell. | 0:03:38 | 0:03:39 | |
Black powder, or gunpowder
as some people call it, | 0:03:39 | 0:03:43 | |
is one of the key ingredients
when making fireworks. | 0:03:43 | 0:03:46 | |
It is there for two properties. | 0:03:46 | 0:03:49 | |
Sometimes to produce gold sparks
of long duration that flow down | 0:03:49 | 0:03:51 | |
to the ground and make a very pretty
visual effect, but more often | 0:03:51 | 0:03:59 | |
Sometimes to produce gold sparks
of long duration that flow down | 0:04:05 | 0:04:07 | |
to the ground and make a very pretty
visual effect, but more often | 0:04:07 | 0:04:10 | |
as a propellant to shoot the shell
into the sky or to be | 0:04:10 | 0:04:13 | |
the motor of a rocket. | 0:04:13 | 0:04:15 | |
The firework sounds,
like whistles and screeches, | 0:04:15 | 0:04:16 | |
are made from a different
type of chemistry. | 0:04:16 | 0:04:18 | |
And what we do as we press a little
tiny amount of this compound recipe | 0:04:18 | 0:04:22 | |
into the bottom of the tube and then
the rest of the tube acts | 0:04:22 | 0:04:25 | |
like an organ pipe to amplify
the sound and make a really loud | 0:04:25 | 0:04:28 | |
sound that we here
at firework display. | 0:04:28 | 0:04:30 | |
So this is a firework mortar. | 0:04:30 | 0:04:31 | |
It is what is used to fire
at the fireworks up into the air. | 0:04:31 | 0:04:35 | |
At a big show, we would have
hundreds and hundreds | 0:04:35 | 0:04:37 | |
of these together. | 0:04:37 | 0:04:38 | |
Here is the shell that goes in it. | 0:04:38 | 0:04:40 | |
The bottom part is with a black
powder is that's going to propel | 0:04:40 | 0:04:43 | |
the shell in the air and the top
half is the bit that is full | 0:04:43 | 0:04:47 | |
of the stars that produce that big
burst of colour in the sky. | 0:04:47 | 0:04:50 | |
It's that time of the week again
when things get a little strange | 0:04:50 | 0:04:53 | |
around here. | 0:04:53 | 0:04:54 | |
Yes, it's time for Strange,
Stranger, Strangest. | 0:04:54 | 0:04:56 | |
First, check out these happy feet. | 0:04:56 | 0:04:57 | |
Actor David Harper kept his promise
of dancing with penguins | 0:04:57 | 0:05:00 | |
in Antarctica on Valentine's Day. | 0:05:00 | 0:05:01 | |
The Stranger Things actor has
linked up with charity | 0:05:01 | 0:05:03 | |
Greenpeace to raise awareness
of the environmenal challenges | 0:05:03 | 0:05:05 | |
facing this part of the world. | 0:05:05 | 0:05:11 | |
Nice moves, David! | 0:05:11 | 0:05:12 | |
Next, check out this
amazing pyramid of dolls. | 0:05:12 | 0:05:17 | |
It was constructed in Japan to mark
the country's annual | 0:05:17 | 0:05:19 | |
Festival for Daughters. | 0:05:19 | 0:05:22 | |
There are around 1,800
dolls on the pyramid, | 0:05:22 | 0:05:26 | |
and people across Japan donated
the dolls for the show. | 0:05:26 | 0:05:30 | |
If you love fashion,
and you love animals, | 0:05:30 | 0:05:32 | |
this story is for you. | 0:05:32 | 0:05:35 | |
Models at a fashion show for big
designer brand Gucci have taken | 0:05:35 | 0:05:39 | |
to the catwalk carrying some
very unusual accessories. | 0:05:39 | 0:05:44 | |
These realistic-looking
animal figures. | 0:05:44 | 0:05:45 | |
They included a chameleon, a snake,
and even a baby dragon, | 0:05:45 | 0:05:49 | |
and were made by a top
visual effects company. | 0:05:49 | 0:05:51 | |
Try wearing one of those
at your next disco! | 0:05:51 | 0:05:55 | |
That's it from me. | 0:05:55 | 0:05:57 | |
Ricky is back bright and early
tomorrow morning at 7:40am. | 0:05:57 | 0:05:59 | |
Have a lovely Sunday.
Goodbye. | 0:05:59 | 0:06:03 |