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-Subtitles - -Subtitles | 0:00:00 | 0:00:02 | |
-Welcome to the series with me, -Sbarc! | 0:00:20 | 0:00:22 | |
-And me, Nef Natur. | 0:00:24 | 0:00:26 | |
-And me, Tudur Phillips. | 0:00:27 | 0:00:29 | |
-A programme to amaze you. | 0:00:29 | 0:00:32 | |
-Great and crazy devices. | 0:00:32 | 0:00:34 | |
-All kinds of challenges. | 0:00:36 | 0:00:38 | |
-On today's programme, the experiment -crew create shadows on the yard. | 0:00:40 | 0:00:46 | |
-We visit a lighthouse. | 0:00:46 | 0:00:48 | |
-The laboratory scientists -invent special glasses. | 0:00:49 | 0:00:53 | |
-Time to sleep. -I only need a little light. | 0:01:03 | 0:01:07 | |
-Woof-woof. | 0:01:18 | 0:01:20 | |
-Woof-woof. | 0:01:20 | 0:01:22 | |
-Playing with shadows is fun. | 0:01:32 | 0:01:34 | |
-We need light from the sun -to see outside. | 0:01:39 | 0:01:44 | |
-We can use torches. | 0:01:45 | 0:01:48 | |
-At night, -we need lamps to help us see. | 0:01:48 | 0:01:54 | |
-Stars give us light, -as do lamps and torches. | 0:01:54 | 0:01:58 | |
-And electrical light. | 0:01:59 | 0:02:01 | |
-The sun lights up the planet. | 0:02:01 | 0:02:05 | |
-If you look down when it's sunny, -you can see your shadow. | 0:02:05 | 0:02:10 | |
-The sun shines down -and you block part of the sunshine. | 0:02:10 | 0:02:15 | |
-We stay in the same place -and we look at the ground... | 0:02:16 | 0:02:21 | |
-..and we can see our shadow -and we scream! | 0:02:21 | 0:02:24 | |
-If you change shape, -the shadow changes shape. | 0:02:26 | 0:02:29 | |
-Late in the afternoon, -your shadow lengthens. | 0:02:30 | 0:02:35 | |
-You can't see at night -because it's dark. | 0:02:36 | 0:02:39 | |
-The moon provides light at night. | 0:02:39 | 0:02:43 | |
-We wouldn't have a morning -without the sun. | 0:02:43 | 0:02:46 | |
-It's important to have a moon. | 0:02:46 | 0:02:48 | |
-Without a moon, -we wouldn't have night-time. | 0:02:48 | 0:02:51 | |
-Some creatures can see at night, -such as owls. | 0:02:51 | 0:02:56 | |
-How can an owl see? | 0:02:56 | 0:02:59 | |
-There's a bulb inside it. | 0:02:59 | 0:03:01 | |
-It's time for our five facts. | 0:03:07 | 0:03:09 | |
-Magic glasses, do your work. | 0:03:09 | 0:03:11 | |
-Since the Earth revolves, the sun -only lights up one side at a time. | 0:03:17 | 0:03:22 | |
-That's how we get day and night. | 0:03:22 | 0:03:24 | |
-Even though sunlight looks white... | 0:03:26 | 0:03:28 | |
-..it's a mixture -of the colours of the rainbow. | 0:03:28 | 0:03:31 | |
-Some creatures can see at night -despite it being dark. | 0:03:33 | 0:03:37 | |
-In ancient times... | 0:03:41 | 0:03:43 | |
-..the sun's shadow helped people -to tell the time on a sun dial. | 0:03:43 | 0:03:47 | |
-A lighthouse shines a bright light -to warn sailors of dangers at sea. | 0:03:50 | 0:03:55 | |
-EXPERIMENT | 0:03:57 | 0:03:59 | |
-OK, Ysgol Glan Morfa, we're on -the yard to measure your height. | 0:03:59 | 0:04:05 | |
-We'll do that using the sun -and this - a piece of chalk. | 0:04:06 | 0:04:10 | |
-On a bright day like today, the sun -throws its light on the ground. | 0:04:11 | 0:04:15 | |
-If something stand in its way, -such as you and me... | 0:04:15 | 0:04:19 | |
-..shadows are created. | 0:04:19 | 0:04:21 | |
-Have you seen shadows following you? | 0:04:21 | 0:04:24 | |
-Yes. | 0:04:24 | 0:04:25 | |
-Yes. - -Look! | 0:04:25 | 0:04:27 | |
-Look at the shapes we can create -on the ground. | 0:04:27 | 0:04:31 | |
-It's 9.00am. | 0:04:33 | 0:04:35 | |
-The sun is relatively low -in the sky. | 0:04:35 | 0:04:38 | |
-The sun will rise over our heads -and set over there. | 0:04:38 | 0:04:42 | |
-Go and make some shadows. | 0:04:42 | 0:04:44 | |
-Mia, stand very still. | 0:04:48 | 0:04:50 | |
-Cerys, I want you to draw -the outline of Mia's shadow. | 0:04:51 | 0:04:56 | |
-All of you, do the same. | 0:04:56 | 0:04:58 | |
-It's 9.00am. | 0:05:01 | 0:05:03 | |
-The sun is low in the sky. | 0:05:03 | 0:05:05 | |
-Mia's body prevents -the sunlight reaching the ground. | 0:05:05 | 0:05:09 | |
-A shadow has been created. | 0:05:10 | 0:05:12 | |
-You can try this at home with -a friend and a piece of chalk. | 0:05:13 | 0:05:17 | |
-Good job, Cerys. | 0:05:18 | 0:05:20 | |
-Measure the length of Mia's shadow. | 0:05:22 | 0:05:24 | |
-How long is Mia's shadow? | 0:05:31 | 0:05:33 | |
-288cms. | 0:05:34 | 0:05:36 | |
-Wow! 288cms. | 0:05:36 | 0:05:40 | |
-During the day, -the sun will rise above our heads. | 0:05:40 | 0:05:44 | |
-We'll see how this affects -Mia's shadow at lunchtime. | 0:05:45 | 0:05:49 | |
-Right, back to school. | 0:05:49 | 0:05:51 | |
-Now then, it's lunchtime. -The sun's above our heads. | 0:05:53 | 0:05:57 | |
-Do the same thing again. | 0:05:57 | 0:05:59 | |
-Draw an outline of the shadows. | 0:06:00 | 0:06:02 | |
-Will Mia's shadow be longer? | 0:06:05 | 0:06:07 | |
-Now that the sun -is in a different position... | 0:06:12 | 0:06:15 | |
-..measure the shadows -to see if anything has changed. | 0:06:15 | 0:06:19 | |
-How long is Mia's shadow this time? | 0:06:26 | 0:06:28 | |
-210cms. | 0:06:29 | 0:06:30 | |
-210cms. | 0:06:31 | 0:06:33 | |
-At lunchtime, when the sun -is high over our heads... | 0:06:33 | 0:06:37 | |
-..the shadow is shorter. | 0:06:37 | 0:06:39 | |
-During the morning, -and at the end of the afternoon... | 0:06:39 | 0:06:43 | |
-..the shadow is longer even though -we're the same height all day long. | 0:06:43 | 0:06:47 | |
-DO YOU KNOW? | 0:06:48 | 0:06:49 | |
-In a thunder and lightning storm... | 0:06:50 | 0:06:52 | |
-..which one comes first? | 0:06:52 | 0:06:55 | |
-Lightning? | 0:06:56 | 0:06:58 | |
-Thunder? | 0:06:59 | 0:07:01 | |
-Or both come at the same time? | 0:07:02 | 0:07:04 | |
-Find out later. | 0:07:06 | 0:07:08 | |
-COME WITH US | 0:07:09 | 0:07:11 | |
-Hello, I'm Twm. | 0:07:12 | 0:07:13 | |
-Hello, I'm Twm. - -I'm Gwyn. | 0:07:13 | 0:07:14 | |
-We're visiting... | 0:07:14 | 0:07:15 | |
-We're visiting... - -A lighthouse. | 0:07:15 | 0:07:16 | |
-This is Nash Point lighthouse. -It's been here for 180 years. | 0:07:17 | 0:07:21 | |
-Its light warns ships -about sandbanks and other dangers. | 0:07:22 | 0:07:26 | |
-The lighthouse walls are curved. | 0:07:27 | 0:07:30 | |
-It makes the building strong. | 0:07:30 | 0:07:33 | |
-Time for Gwyn and Twm to meet Chris, -the lighthouse manager. | 0:07:40 | 0:07:45 | |
-He'll show them around. | 0:07:45 | 0:07:48 | |
-First, they climb lots of steps. | 0:07:51 | 0:07:53 | |
-Anyone counting? | 0:07:53 | 0:07:56 | |
-Chris shows the boys the light... | 0:08:02 | 0:08:04 | |
-..that used to be -at the top of the lighthouse. | 0:08:05 | 0:08:08 | |
-Can you see the bulbs? | 0:08:08 | 0:08:10 | |
-The bulb light would be even -brighter when it hits this glass. | 0:08:10 | 0:08:17 | |
-It's the same shape as a beehive. | 0:08:17 | 0:08:19 | |
-It works -like a large magnifying glass. | 0:08:19 | 0:08:22 | |
-The light is seen -from long distances. | 0:08:22 | 0:08:24 | |
-What would happen on a foggy day -when the light isn't seen? | 0:08:25 | 0:08:29 | |
-This foghorn would warn sailors -of nearby dangers. | 0:08:31 | 0:08:35 | |
-They're off to explore some more. | 0:08:39 | 0:08:41 | |
-More steps. -Are you still counting, boys? | 0:08:44 | 0:08:48 | |
-There are 140... | 0:08:50 | 0:08:52 | |
-There are 140... - -..steps from top to bottom. | 0:08:52 | 0:08:54 | |
-That's a lot of steps. | 0:08:55 | 0:08:57 | |
-Up you go. | 0:09:01 | 0:09:03 | |
-138, 139... | 0:09:03 | 0:09:05 | |
-..140. | 0:09:05 | 0:09:07 | |
-We've reached the top. | 0:09:07 | 0:09:09 | |
-This is the light now used -at the top of the lighthouse. | 0:09:10 | 0:09:15 | |
-It's smaller than the other one. | 0:09:16 | 0:09:19 | |
-It turns and turns all the time. | 0:09:21 | 0:09:23 | |
-It works in the same way -as the old one. | 0:09:23 | 0:09:27 | |
-The glass creates light -that can be seen from a distance. | 0:09:28 | 0:09:31 | |
-There's a great view from the top. | 0:09:33 | 0:09:36 | |
-From the top of the lighthouse... | 0:09:41 | 0:09:43 | |
-From the top of the lighthouse... - -The view is special. | 0:09:43 | 0:09:45 | |
-Yes indeed. | 0:09:46 | 0:09:47 | |
-This lighthouse -helps keep ships and boats safe. | 0:09:47 | 0:09:53 | |
-DAILY FACT | 0:10:00 | 0:10:02 | |
-Did you know that fireflies... | 0:10:03 | 0:10:06 | |
-..light up at night? | 0:10:06 | 0:10:09 | |
-They have special chemicals -in their bodies which create light. | 0:10:10 | 0:10:15 | |
-DO YOU KNOW? | 0:10:18 | 0:10:19 | |
-In a thunder and lightning storm... | 0:10:20 | 0:10:22 | |
-..which one comes first? | 0:10:22 | 0:10:24 | |
-Lightning? | 0:10:26 | 0:10:27 | |
-Thunder? | 0:10:29 | 0:10:30 | |
-Or both come at the same time? | 0:10:32 | 0:10:34 | |
-The answer is... | 0:10:35 | 0:10:36 | |
-..lightning. | 0:10:37 | 0:10:38 | |
-That's because -light travels faster than sound. | 0:10:38 | 0:10:42 | |
-LOL LABORATORY | 0:10:43 | 0:10:45 | |
-I'm Sbarc. -I'm in the Lol Laboratory. | 0:10:51 | 0:10:54 | |
-Hello, scientists. | 0:10:54 | 0:10:55 | |
-Hello, Sbarc. | 0:10:56 | 0:10:57 | |
-Hello, Sbarc. - -We're in the Lol Laboratory. | 0:10:57 | 0:10:59 | |
-The place where we invent -different things. | 0:10:59 | 0:11:02 | |
-Are they good or are they rubbish? | 0:11:02 | 0:11:05 | |
-With Sbarc in charge, -what do you think? | 0:11:05 | 0:11:08 | |
-I wish I could see clearly at night. | 0:11:09 | 0:11:11 | |
-Today we're inventing something -to help us see like an owl... | 0:11:11 | 0:11:16 | |
-..tu-whit-tu-whoo! | 0:11:16 | 0:11:18 | |
-Any ideas? | 0:11:18 | 0:11:19 | |
-Glasses that help you see -in the dark. | 0:11:20 | 0:11:22 | |
-Great idea. | 0:11:22 | 0:11:24 | |
-Glasses that help -you see in the dark. I like it! | 0:11:25 | 0:11:28 | |
-We need glasses and torches. | 0:11:28 | 0:11:30 | |
-Soon, my eyesight will be as good -as the night creatures. | 0:11:32 | 0:11:36 | |
-The owl, the fox and hedgehog. | 0:11:37 | 0:11:40 | |
-I can't wait to wear the glasses. | 0:11:44 | 0:11:46 | |
-I don't think one torch is enough -though. | 0:11:47 | 0:11:50 | |
-Can we use this? | 0:11:54 | 0:11:56 | |
-It looks strange -but it does shine a light. | 0:11:56 | 0:11:59 | |
-Perfect. -Let's fix it to the glasses. | 0:12:00 | 0:12:03 | |
-I don't want anything falling off. | 0:12:03 | 0:12:06 | |
-That looks ready. | 0:12:09 | 0:12:11 | |
-There we go. Do you think that lamp -is good enough for the glasses? | 0:12:11 | 0:12:15 | |
-Or do you want some more? | 0:12:16 | 0:12:18 | |
-Yes. | 0:12:18 | 0:12:19 | |
-Yes. - -Off you go. | 0:12:19 | 0:12:20 | |
-This will be a sight to behold. | 0:12:20 | 0:12:23 | |
-I love inventing incredible things. | 0:12:24 | 0:12:27 | |
-Well done. | 0:12:28 | 0:12:31 | |
-Let me see. | 0:12:31 | 0:12:32 | |
-The important question is... | 0:12:40 | 0:12:42 | |
-..are my night-vision glasses -a good or bad invention? | 0:12:42 | 0:12:46 | |
-Good. | 0:12:46 | 0:12:48 | |
-Great. Another success -in the Lol Laboratory. | 0:12:48 | 0:12:52 | |
-That's it for today. -See you next time. | 0:12:55 | 0:12:57 | |
-. | 0:12:58 | 0:12:58 |