Saída ao Espazo Natural da Ramallosa (1ºA): 2ª parte!

VIVINDO!

Saída á costa de A Guarda (1ºA)

E como non, gozamos da Natureza co seu vento mareiro, o aroma do mar, as raiolas luminosas nun fermoso ceo medio anubrado… e da boa compaña e momentos bonitos para compartir e recordar entre tod@s nós.

Ben aproveitado equipo!

Saída á costa de A Guarda (1ºB)

En busca das pozas mariñas!

O pasado martes achegamos á Guarda para desfrutar da súa paisaxe e traballar na súa intermareal. Coa marea baixa puidemos acceder á zona rochosa onde se forman as interesantes pozas mariñas. Nelas puidemos observar unha morea de algas e invertebrados (equindermos, cnidarios, moluscos, etc) que estudaramos en clase. Foi un pracer poder estar en contacto directo con eles.
Tamén aprendimos cousas moi interesantes da nosa historia (salinas romanas) e a usar á razón para interpretar a paisaxe que nos rodeaba (seixal).
Nesta saída acompañounos Agustín, socio fundador de ANABAM, una asociación que traballa activamente, dende 1985, pola conservación e defensa dos espazos naturais do Baixo Miño. Grazas por aportarnos tanto!

¿Quién cae antes?

Física

Los alumnos de 3ºESO han descubierto, no con poco asombro, que la masa de los objetos apenas influye en la velocidad con la que los objetos caen, ya que estos se ven atraídos hacia el centro de la tierra con la misma aceleración gravitatoria (g=9,8m/s2).

Stalactites and Stalagmites (Social Science 4th Grade)

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Stalactites and stalagmites found in caves are an impressive feature of nature but they take a long time to form. Let’s speed up the process by making our own stalactites and stalagmites!

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Stalactites grow very slowly and to observe their growth would take thousands of years. The purpose of this experiment is to observe how the stalactites grow, how fast they grow in 7 days, and what shape they will form into.

The hypothesis is that over the course of 7 days, the stalactite will grow to about 2 1/2 centimeters. It will also form into a downward tapering spiral shape

We did some experiments with warm water and others with cold water.

 

 

2 weeks later…

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Recreating the past – Coffee grounds fossils (4th Grade)

Without fossils, we would know nothing about prehistoric life. Fossils are the remains of animals and plants that died a very long time ago and became preserved in rocks. These remains are our window on the past. They show us the amazing variety of life that thrived and then disappeared over millions of years of Earth’s history.

Fossils are preserved remains of once-living things, such as bones, teeth and claws. Usually the remains were buried in sediments – layers of tiny particles such as sand, silt or mud. Very slowly, the layers and the remains inside them turned into solid rock.

 

 

 

COFFEE GROUNDS FOSSILS

We need:

  • 1 cup of used coffee grounds.
  • 1/2 cup of cold coffee.
  • 1 cup of flour.
  • 1/2 cup of salt.
  • Wax paper.
  • Mixing bowl.
  • Starfish, seashells, small dinosaurs, or other objects for the impressions.
  • Empty can or a butter knife.

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  1. Stir together the coffee grounds, coffee, flour, and salt, until well mixed.

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  1. Press the small objects firmly into the dough, to leave an imprint. Remove the object, and there’s your fossil! You can use a toothpick to poke a small hole near the edge of the coffee ground fossils, if you want to hang it later.

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  1. Let the coffee ground fossils dry and harden overnight.

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One of our fossils:

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Dionaea muscipula (Venus flytrap)

 

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