Lethal Noise & Dan Speaks To A NASA Rover Driver
Fun Kids Science Quest
Fun Kids
4.5 • 1.5K Ratings
🗓️ 27 June 2020
⏱️ 28 minutes
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Summary
Dan is joined by a NASA Rover Driver; Sophia Mitchell is responsible for manoeuvring the rovers on Mars! Plus, could you imagine a noise loud enough to injure you?
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Transcript
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| 0:00.0 | Hello, welcome along to the Fun Kids Science Weekly. My name's Dan. Thanks so much for listening. This is it. This is the only show that promises to uncover all of the secrets that are lurking out there in the universe. This week, we're talking about what happens when a noise gets so loud, it can kill you. Honestly, that's this week's dangerous down. It's pretty serious stuff. |
| 0:21.7 | We'll also talk about how lockdown has changed the way wildlife behaves, and you can find out |
| 0:26.6 | why places in the Arctic Circle are getting worryingly hot. I'll answer some of your questions as well. |
| 0:32.5 | This week, they're all about senses, about animals moving to the earth from the sea, and about soil and vegetables. |
| 0:40.1 | That's on the way first. Let's get into it with one of our favourite geniuses on the show. This is |
| 0:44.6 | Professor Hallex. Professor Hallex's Digital Dental Depository, with support from Philip's |
| 0:51.1 | Sonicare. |
| 1:00.1 | To honour great-uncle halitosis, dentist extraordinaire, on the occasion of his 100th birthday, |
| 1:05.9 | Professor Hallex is creating a pop-up digital dental depository, an oral health help desk. |
| 1:10.7 | He's going to see how many questions all about teeth he can answer against the clock. |
| 1:13.6 | We're getting to the root of the matter today, Nanobot. |
| 1:15.5 | All the questions are about teeth. |
| 1:22.5 | That's a pearly idea. |
| 1:24.0 | Okay, here goes. |
| 1:26.2 | What are teeth? |
| 1:27.1 | Great question. Well, obviously the prime purpose of teeth is to help us eat food. They also though help us smile and talk. Teeth might look smooth and white, but there's a lot going on under the surface. The outer coating, the part you can see, is called the crown and it's coated in tough enamel which acts like a shield. |
| 1:45.6 | Well, it has to be when you'll be chomping through as many as 100,000 meals over your lifetime. |
| 1:50.9 | The next layer is dentin. |
| 1:52.9 | This is a softer material than enamel, and acts as the last line of defence for the squidgey pulp |
| 1:58.2 | where the nerve endings and blood supply run. |
| 2:01.0 | It's these sensitive parts that cause toothache when a tooth has been injured. |
| 2:05.4 | And then there's the root that anchors the tooth to the jaw. |
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