Cliquez sur la classe de votre choix :
Les Sciences de la Vie et de la Terre au collège et au lycée. Découverte, actualité, cours, aide et soutien en ligne.
Cliquez sur la classe de votre choix :
Chaque année un grand concours est organisé par l’association Classe non fumeurs pour tous les collègiens ! Le principe : la classe s’engage collectivement à être « non fumeur » : du 30 novembre 2008 au 31 mai 2009, le responsable de la classe (professeur, infirmière,…) fait le point chaque mois avec les élèves pour connaître leur rapport avec le
Qu’est-ce qu’un être vivant ? Je trie dans un tableau. Un être vivant vit et meurt. Un organisme vivant est capable de respirer, de se nourrir, de grandir et de se reproduire. Certains êtres vivants peuvent se déplacer. Chapitre 1 : Un environnement proche : le collège et ses alentours Problème : de quoi est composé
Problème : comment le cerveau et les muscles sont-ils reliés ? La dissection du système nerveux d’un animal permet d’identifier des liaisons entre les organes : Visionner le TP en diaporama diapo_cuisse_de_grenouille Comment réaliser un dessin d’observation en SVT ? c’est par là Logiciel saut de la grenouille : cmd Mots clés à connaître : moelle épinière, nerf sciatique et
De minuscules animaux, les Tardigrades, sont capables de survivre au vide de l’espace et au rayonnement cosmique. 3000 Tardigrades, ou « marcheurs lents », ont été envoyés dans l’espace pour un voyage de douze jours avec le concours de l’European Space Agency (ESA). Et ils ne se sont pas contentés d’observer par le hublot puisqu’ils ont été largués dans le
Dans la partie santé et environnement étudié en SVT 3ème, un chapitre s’intitule « la maîtrise de la reproduction ». Lise et Maxime ont réalisé un exposé sur le diaphragme contraceptif en avril 2008. Cet exposé s’est appuyé sur le diaporama ci-joint. diapo-diaphragme contraceptif Merci à eux !
TP 1 / svt 4ème –> mise en évidence de la sensibilité tactile
RÉVISIONS EXAMENS SVT DNB ET BAC
Cookie | Durée | Description |
---|---|---|
cookielawinfo-checkbox-advertisement | 1 year | The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Advertisement". |
cookielawinfo-checkbox-analytics | 1 year | This cookies is set by GDPR Cookie Consent WordPress Plugin. The cookie is used to remember the user consent for the cookies under the category "Analytics". |
cookielawinfo-checkbox-necessary | 1 year | This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary". |
cookielawinfo-checkbox-performance | 1 year | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance". |
PHPSESSID | session | This cookie is native to PHP applications. The cookie is used to store and identify a users' unique session ID for the purpose of managing user session on the website. The cookie is a session cookies and is deleted when all the browser windows are closed. |
SERVERID | This cookie is used to assign the user to a specific server, thus to provide a improved and faster server time. It remembers which server had delivered the last page on to the browser. It also helps in load balancing. |
Cookie | Durée | Description |
---|---|---|
currency | 1 hour | This cookie is used to store the currency preference of the user. |
lang | This cookie is used to store the language preferences of a user to serve up content in that stored language the next time user visit the website. |
Cookie | Durée | Description |
---|---|---|
YSC | session | This cookies is set by Youtube and is used to track the views of embedded videos. |
__utma | 2 years | This cookie is set by Google Analytics and is used to distinguish users and sessions. The cookie is created when the JavaScript library executes and there are no existing __utma cookies. The cookie is updated every time data is sent to Google Analytics. |
__utmb | 30 minutes | The cookie is set by Google Analytics. The cookie is used to determine new sessions/visits. The cookie is created when the JavaScript library executes and there are no existing __utma cookies. The cookie is updated every time data is sent to Google Analytics. |
__utmc | session | The cookie is set by Google Analytics and is deleted when the user closes the browser. The cookie is not used by ga.js. The cookie is used to enable interoperability with urchin.js which is an older version of Google analytics and used in conjunction with the __utmb cookie to determine new sessions/visits. |
__utmt | 10 minutes | The cookie is set by Google Analytics and is used to throttle request rate. |
__utmz | 6 months | This cookie is set by Google analytics and is used to store the traffic source or campaign through which the visitor reached your site. |
Cookie | Durée | Description |
---|---|---|
IDE | 1 year 24 days | Used by Google DoubleClick and stores information about how the user uses the website and any other advertisement before visiting the website. This is used to present users with ads that are relevant to them according to the user profile. |
OAGEO | session | This cookie is set by the provider OpenX. This cookie is used for advertising campaigns on the website. The cookie helps in avoiding the same ad showing repeatedly. |
OAID | 1 year | This cookie is set when an AdsWizz website visitor have opted out the collection of information by AdsWizz service or opted to disable the targeted ads by AdsWizz. |
test_cookie | 15 minutes | This cookie is set by doubleclick.net. The purpose of the cookie is to determine if the user's browser supports cookies. |
VISITOR_INFO1_LIVE | 5 months 27 days | This cookie is set by Youtube. Used to track the information of the embedded YouTube videos on a website. |
Cookie | Durée | Description |
---|---|---|
CONSENT | 16 years 8 months 19 days 4 hours | No description |
cookielawinfo-checkbox-functional | 1 year | The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". |
cookielawinfo-checkbox-others | 1 year | No description |
corpus | No description | |
fb_sessiontraffic | 20 minutes | No description |
pathway | 20 minutes | No description |
SRV | No description | |
TS011556a6 | No description | |
visitor | 1 year | No description |