WEBVTT 00:06.025 --> 00:09.976 Welcome to the Why Lab with Eirini, Nefeli 00:09.976 --> 00:14.210 and Pico, where we observe, ask and discover! 00:16.025 --> 00:20.550 Ready! I've made the world's most orange collection! 00:22.025 --> 00:27.350 An orange, a pencil and your sock? Why together? 00:28.025 --> 00:35.270 I heard that oranges have vitamin C. So… everything orange has vitamin C! 00:36.020 --> 00:37.910 Even my orange sock? 00:40.025 --> 00:47.590 We can test that idea. First, let's separate our food… from all the other things. 00:55.025 --> 01:00.739 Let's start with a question. Can a food have vitamin C even if it isn't 01:00.739 --> 01:05.310 orange? Our first idea is called a hypothesis. Then we test it! 01:08.025 --> 01:11.077 I think it can, and I have brought something 01:11.077 --> 01:13.990 red and something green for us to explore! 01:15.114 --> 01:20.250 I'm almost sure about orange. But… I'll listen! 01:21.025 --> 01:23.310 Well… what do you think? 01:31.025 --> 01:35.150 A pepper! Strawberries! And a kiwi! 01:36.025 --> 01:43.030 The kiwi is brown outside. But it's green inside! Now I'm confused. 01:44.025 --> 01:50.367 All four of these foods contain vitamin C. They have different colours, 01:50.367 --> 01:53.010 different shapes and different flavours. 01:55.150 --> 01:58.670 So vitamin C has lots of friends! 02:00.025 --> 02:03.750 A colourful bunch of friends! No socks. 02:11.025 --> 02:16.040 Let me see the vitamin! Could it be hiding behind this little dimple? 02:17.025 --> 02:22.890 We can't see it that way. The magnifying glass helps us look at the surface. To 02:22.890 --> 02:28.830 find out what's in a food, we need other information and the right measurements. 02:30.245 --> 02:33.830 So what we see… isn't the same as what's inside! 02:35.025 --> 02:39.230 My magnifying glass cannot tell me everything. 02:46.025 --> 02:50.227 Scientists study different foods and carefully record their measurements, so 02:50.227 --> 02:55.270 we read reliable sources and check what the information actually tells us. 02:55.865 --> 02:58.470 Guessing from the colour isn't enough. 03:00.250 --> 03:03.350 What if our first idea is mistaken? 03:04.025 --> 03:07.350 Correcting our ideas helps us learn! 03:08.025 --> 03:10.550 So… I have learned something new! 03:12.025 --> 03:14.550 Why is vitamin C important? 03:16.025 --> 03:21.628 Vitamin C has many roles, including helping our bodies make collagen, a 03:21.628 --> 03:25.830 material that supports body parts such as our skin. 03:27.025 --> 03:30.030 Like these ribbons that make a network? 03:31.025 --> 03:37.254 The ribbons help us imagine it, but our bodies are more complex and need many 03:37.254 --> 03:38.500 things working together. 03:40.150 --> 03:42.390 Just like our lab friends! 03:49.815 --> 03:55.430 What if I fill this whole notebook… with one enormous orange? 03:56.025 --> 03:59.270 But what happens to all our other food friends? 04:00.025 --> 04:05.585 Every food has its own mix of ingredients. We need variety in what we eat. 04:07.025 --> 04:12.350 My notebook has a better idea… lots and lots of little drawings! 04:19.025 --> 04:26.420 Which food contains vitamin C: the orange, the pepper, or both? 04:34.025 --> 04:35.750 Yes, both of them! 04:38.025 --> 04:43.326 Foods can have different colours… and still contain the same nutrient, like 04:43.326 --> 04:44.210 vitamin C. 04:45.025 --> 04:49.310 Look, here's our discovery… written in my notebook! 04:50.025 --> 04:56.390 At first I thought something else. Now I feel… a bit more like a researcher! 04:57.100 --> 04:59.150 Because you found the answer? 05:01.025 --> 05:06.030 You also asked questions, checked the evidence and changed your mind. 05:07.025 --> 05:09.470 Changing my mind feels good! 05:11.025 --> 05:14.270 Tomorrow, we can explore a new question. 05:15.025 --> 05:21.439 Now we have a mission for you. With a grown-up, remember two foods we saw 05:21.439 --> 05:23.150 today and draw them. 05:24.025 --> 05:27.190 Together… in one paper basket! 05:28.090 --> 05:34.630 My kiwi looks like a potato… so I'll draw a little label to explain it. 05:35.025 --> 05:41.390 If you want to explore a food in the kitchen, ask your grown-up for help first. 05:42.253 --> 05:45.590 And tell each other: what surprised me today? 05:52.025 --> 05:55.830 My orange collection… has a new name! 05:57.025 --> 05:58.510 What name? 06:01.070 --> 06:02.670 The colourful bunch! 06:05.250 --> 06:09.630 Your own discovery comes next… see you at our next why! 06:10.025 --> 06:14.950 I observe the world, I ask my questions, and I discover!