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énergie et conversions 5eme
5eme
Created on January 5, 2024
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Transcript
Chapitre 1: Sources, transferts et conversions d'énergie
Partie 2
Partie 3
Etude énergétique du système Terre-atmosphère
Transfert et conversions d'énergie
HOME
GOAL
Exercies
Travail sur les notions étudiées
Partie 1
Sources et formes d'énergie
Quizz
A toi de jouer pour voir si tu es prêt pour le contrôle !
I. Sources et formes d'énergie
L’être humain a besoin d’énergie pour vivre, se chauffer, se déplacer, s’éclairer… L’énergie désigne ce qui permet de produire une action, comme engendrer un mouvement, augmenter une température, émettre de la lumière, transformer la matière.
GOAL
la suite
Cours à écrire sur les sources d'énergie
Les différentes sources d'énergie
Les formes d'énergie
Cours à écrire sur les formes d'énergie
GOAL
La leçon en vidéo
sommaire
L’énergie peut provenir de différentes sources comme le bois, le charbon, le pétrole, le vent, le rayonnement solaire, les chutes d'eau, la nourriture ...
la suite
Une source d'énergie est renouvelable quand elle peut être reproduite rapidement (temps inférieur à la durée de la vie d'un homme) Exemple : le Soleil, le vent, l’eau en mouvement, la biomasse ( matière qui constitue les végétaux et les animaux)
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Une source d'énergie est non renouvelable quand elle se recrée très lentement (plusieurs millions d'années) Exemple : le charbon, le pétrole, le gaz naturel, l’uranium.
GOAL
Il existe différents types d’énergie : - l’ énergie thermique (chaleur), - l’ énergie chimique (que peuvent libérer les réactifs d’une pile par exemple), - l’ énergie nucléaire (provenant du noyau de l’atome), - L’ énergie de rayonnement (Soleil), - l’ énergie cinétique (énergie d’un objet en mouvement), - l'énergie électrique
GOAL
Les différentes formes d'énergie
GOAL
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activité page 242 du livre
une vidéo pour tout comprendre
Les conversions d'énergie dans la maison
GOAL
une activité pour s'exercer
Cours à écrire
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GOAL
sommaire
GOAL
la suite
GOAL
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GOAL
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exercice 4
exercice 2
HOME
GOAL
exercice 3
exercice 1
exercice 5
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Etude du rayonnement solaire
GOAL
la suite
la suite
HOME
la suite
L’énergie reçue provient du Soleil sous forme de radiations. Cette énergie solaire reçue est en partie réfléchie directement par le système « Terre-atmosphère » et en partie absorbée.
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HOME
GOAL
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Interactivity and animation can be your best allies when it comes to creating tables, infographics, or graphs that help provide context to the information and simplify the data for your audience. We are visual beings and it is easier for us to "read" images than to read written text.
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Describe the problem you are going to solve and, above all, the reason why your idea is interesting
Animate your content and take it to the next level
Share your idea with an image
Provide context to your topic with a subtitle
Visual content is a universal, cross-cutting language, like music. We are able to understand images from millions of years ago, even from other cultures.
- They help break the monotony
- They illustrate what you want to convey
- They allow you to synthesize content
- They are an aesthetic resource
- They tell stories on their own
- They keep the brain awake.
Here you can put a standout title, something that captivates your audience
Interactivity and animation can be your best allies when it comes to creating tables, infographics, or graphs that help provide context to the information and simplify the data for your audience. We are visual beings and it is easier for us to "read" images than to read written text.
Did you know that in addition to taking advantage of our resources, you can add any visual elements you want to complement the information? Try it out using the Image or Resources menus!
Maps are a great ally, use them!
Interactive visual communication enhances communication results on any topic and in any context. Before you start creating, it is advisable to spend a few minutes thinking about what this map tells you.
Share your idea with an image
Provide context to your topic with a subtitle
Visual content is a universal, cross-cutting language, like music. We are able to understand images from millions of years ago, even from other cultures.
- They help break the monotony
- They illustrate what you want to convey
- They allow you to synthesize content
- They are an aesthetic resource
- They tell stories on their own
- They keep the brain awake.
Insert an awesome video for your presentation
And use this space to describe it. Multimedia content is essential in a presentation, to leave everyone amazed. Additionally, you will synthesize the content and entertain your audience.