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ELS ESTATS DE L’AIGUA
ELS CANVIS D’ESTAT DE L’AIGUA L´aiguacanvia de forma segons la temperatura: Quan fa moltfred, l´aiguaéssòlida, és gel. Quan no fa fred, l´aiguaés líquida. Quan fa molta calor o la fem bullir, l´aigua es converteix en vapor d´aigua, l´aiguaésgasosa. NOSALTRES HEM EXPERIMENTAT LES TRES FORMES AL LABORATORI DE L’ESCOLA
Estatsòlid Primer vamomplir una glaçoneraambaigua i la vam portar al congelador de la cuina. L’endemàquan la vam portar al laboratorivam poder observar que l’aiguaestavasòlida. Al prendre la temperatura  vamveure que estava a 0 ºC. QUAN L´AIGUA ES REFREDA A UNA TEMPERATURA MOLT BAIXA (0º) ES CONGELA I ES SOLIDIFICA.
ESTAT GASÓS Desprésvam posar elsglaçons en un recipient i el vam posar a escalfar-se al fogonet. Elsglaçons es van desfer i la temperatura de l’aigua cada vegada era més alta.
ESTAT GASÓS Quan la temperatura va arribar gairebéals 100 ºC, va començar a surtir vapor. L’aiguahaviacanviat a l’estatgasós. QUAN S´ESCALFA AIGUA A UNA TEMPERATURA MOLT  ALTA (100º) ES CONVERTEIX EN VAPOR D´AIGUA  I EL SEU ESTAT ÉS GASÓS.
Estatlíquid Per últim, vam apagar el fogonet i vam posar-li una tapa al recipient. Quan el vapor d’aigua va xocaramb la tapa que estavafreda, es va tornar líquida. Vamveure que les gotetesd’aigua es quedaven a la tapa. QUAN LA TEMPERATURA DEL VAPOR D´AIGUA BAIXA  (A MENYS DE 100 º), ES CONVERTEIX EN LÍQUID.
l’aigua a la natura A la natura podem trobarl´aiguaambaquestestres formes o estats. Vols saber com canviad´estat a la natura?  EL CICLE DE L'AIGUA CLICA

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Els estats de l'aigua

  • 1. ELS ESTATS DE L’AIGUA
  • 2. ELS CANVIS D’ESTAT DE L’AIGUA L´aiguacanvia de forma segons la temperatura: Quan fa moltfred, l´aiguaéssòlida, és gel. Quan no fa fred, l´aiguaés líquida. Quan fa molta calor o la fem bullir, l´aigua es converteix en vapor d´aigua, l´aiguaésgasosa. NOSALTRES HEM EXPERIMENTAT LES TRES FORMES AL LABORATORI DE L’ESCOLA
  • 3. Estatsòlid Primer vamomplir una glaçoneraambaigua i la vam portar al congelador de la cuina. L’endemàquan la vam portar al laboratorivam poder observar que l’aiguaestavasòlida. Al prendre la temperatura vamveure que estava a 0 ºC. QUAN L´AIGUA ES REFREDA A UNA TEMPERATURA MOLT BAIXA (0º) ES CONGELA I ES SOLIDIFICA.
  • 4.
  • 5. ESTAT GASÓS Desprésvam posar elsglaçons en un recipient i el vam posar a escalfar-se al fogonet. Elsglaçons es van desfer i la temperatura de l’aigua cada vegada era més alta.
  • 6. ESTAT GASÓS Quan la temperatura va arribar gairebéals 100 ºC, va començar a surtir vapor. L’aiguahaviacanviat a l’estatgasós. QUAN S´ESCALFA AIGUA A UNA TEMPERATURA MOLT ALTA (100º) ES CONVERTEIX EN VAPOR D´AIGUA I EL SEU ESTAT ÉS GASÓS.
  • 7. Estatlíquid Per últim, vam apagar el fogonet i vam posar-li una tapa al recipient. Quan el vapor d’aigua va xocaramb la tapa que estavafreda, es va tornar líquida. Vamveure que les gotetesd’aigua es quedaven a la tapa. QUAN LA TEMPERATURA DEL VAPOR D´AIGUA BAIXA (A MENYS DE 100 º), ES CONVERTEIX EN LÍQUID.
  • 8.
  • 9. l’aigua a la natura A la natura podem trobarl´aiguaambaquestestres formes o estats. Vols saber com canviad´estat a la natura? EL CICLE DE L'AIGUA CLICA