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Good morning everybody! Today we're going to continue with the Unit 1 of Natural Science, right?

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And as you know, yesterday, well, on the previous days, we learned about sight, about hearing,

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and now we're going to continue with smell and taste, right?

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Basically, what you need to know is how our sense of smell and taste work.

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And what we are going to do is, sorry, we are going to click on this picture and we are going to see how it works.

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So, the nose is the organ of smell, right?

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And the air enters to our nostrils, right?

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The odor goes to the olfactory nerve and that nerve sends the information to our brain.

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Our brain receives the information and tells us what is the odor that we are smelling.

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We can smell more than 10,000 different odors.

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It's amazing, guys.

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Right?

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So, let's gonna just read it because we are going to read it in case you have any doubts.

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So, your nose is the organ of smell.

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Air enters the nose through the nostrils and the olfactory nerve sends the information to your brain, right?

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Let's gonna repeat it.

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So the air enters through our nose and nostrils, right?

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And the olfactory nerve sends the information to our brain and our brain is gonna tell us what we are smelling.

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And we can smell more than 10,000 different odours, right?

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It's quite amazing.

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Guys, what is the meaning of nostril?

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Can you tell me?

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Can you write on your notebook the meaning of nostril?

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It's quite interesting.

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On the aula virtual, you can find a glossary with the different words that you are learning in this unit.

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Right?

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So, maybe it can help you to find the meaning of nostril.

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Taste.

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Well, taste is similar to smell, right?

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Our tongue, right, is the organ of taste.

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The tongue is covered in taste buds, papillas gustativas, right?

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These identify different tastes.

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The nerves send the information to our brain and the brain tells us the different tastes we are feeling, right?

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It's really, really simple.

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The tongue, this is our tongue, with the taste buds and they send the information to the nerves

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and the nerves will send the information to our brain

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and our brain is going to tell us

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the flavor that we are identifying, right?

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The activities of this page are really, really easy, right?

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It's the activity one.

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You don't have to copy the activity.

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You just have to write one page 14, right?

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And the activity two, what's the function of the taste buds?

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Right? And well, I know that I'm pretty sure that you all know what's the answer of the activity number five. So we are not going to do it. And we will continue with the next point.

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So let's continue with the touch and the skin. Because the organ that we use to touch is the skin. Our body is covering the skin. Well, it's something quite obvious, right?

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But our skin can tell us if something feels hot or cold, rough or smooth, sorry, hard or soft.

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Sensory nerves send this information to our brain, right?

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Look, we have in our skin, right, in every single part of our skin, we have the sensory nerves.

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And when we touch something, our sensory nerve sends the information to our brain.

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Let's imagine that you are touching a puppy, right?

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It's something really soft and our brain knows that it's really soft and sends us that information.

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When you touch, for instance, a stone, do you know what's the meaning of a stone?

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We can feel how that stone is.

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We can see if it's round or small or smooth or if it's hard, right?

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So our skin is the organ we use to touch, right?

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So, thanks to it, we can feel and we can know how the objects are, right?

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If you close your eyes and you touch something that is really soft, you can't know how soft it is just because of your skin.

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You don't need your eyes to notice that something is going to be really soft or really cold or hot or rough, right?

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Here you have those words, right? Which are related to touch, right? What you have to do is write the meaning of those words on the dictionary.

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As I told you previously, I will put a worksheet with the different vocabulary that you have on this unit.

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So it's going to be really, really easy for you. Right.

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Related to the activities that you have to do. Sorry.

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You just have to do the activity one. Right.

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And you have to think of two objects of each characteristic.

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Think about the objects. Sorry. Think about the objects that you have at home now. Right.

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Because since you are at home, you can think of two objects for each characteristic, right?

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For instance, hot, the pan, the saucepan, what you are cooking, right?

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Or cold, try to touch the window.

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Is it colder than, for instance, the table?

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Think about it, right?

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And that's all, right?

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Because I think it's enough.

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on Wednesday we have three lessons three natural science lessons so I will send

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another video but it's gonna be really really easy and I will write what you

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have to do on the aula virtual so it's gonna be easier for you it's gonna be

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really easy for you and your parents will read what you have to do and they

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will help you with their homework and the activities that you have to do

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That's all. Bye bye. Thank you very much. I will see you on Friday, which is Halloween party. Bye bye.