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Se muestran los artículos pertenecientes a Marzo de 2014.

PLANTS - Questions

                   
  1. Plants share certain characteristics. Which are them?
  2. How can we classify plants according to how they reproduce?
  3. What is another name for gymnosperms? And for angiosperms?
  4. What are the non-seed plants? How do they reproduce?
  5. Where do a fern’s spores capsules grow?
  6. What part of a moss anchors it to the ground?
  7. Name and explain the three ways plants interact with their environment.
  8. What are the three basic parts of plants?
  9. What are the functions of roots? Are all roots equal?
  10. What is the main function of the stem?
  11. We can divide plants into two groups according to their stems, which are them?
  12. What do we call the parts of a compound leaf?
  13. How do plants perform the nutrition process? Explain it.
  14. What plant process occurs at night? Explain it.
  15. What parts of a flower form the calyx?
  16. How many parts has the pistil got?
  17. What is the male reproductive organ of the flower?
  18. What is cross-pollination?
  19. How does fertilization occur?
  20. When does germination take place?
05/03/2014 12:52 miprimerzarzablog #. SOCIAL AND NATURAL SCIENCE No hay comentarios. Comentar.

TECH TRASH

Old computer monitors and televisions use materials that are diffcult to handle and properly recycle.

Picture a wasteland of old computer monitors and TVs, stretching as far as the eye can see. Imagine towers of boxes, all of them filled with broken glass and discarded electronic devices...

Do you want to continue reading? Click here.

05/03/2014 13:02 miprimerzarzablog #. NOTICIAS No hay comentarios. Comentar.

RECYCLART

Recyclart is the art of recycling, reusing, repurposing and upcycling.

Visit the following websites to learn about different art works made with recycled materials:

Recyclart

11 artists doing amazing things with recycled materials

66 Masterpieces made from junks


05/03/2014 13:06 miprimerzarzablog #. ART No hay comentarios. Comentar.

TRASH PEOPLE

05/03/2014 13:09 miprimerzarzablog #. ART No hay comentarios. Comentar.

Repaso temas 8 y 9 de lengua.

REPASO TEMA 8 Y 9

 

* Analiza morfológicamente la siguiente oración:

 

El gatito rubio comió el pienso del plato.

 

LITERATURA

 

  1. ¿Qué es un poema?
  2. ¿Cómo pueden ser los poemas? Explica.
  3. ¿Qué es la rima?
  4. ¿Cómo puede ser la rima? Explica.
  5. ¿Qué es la medida o extensión de un verso?
  6. ¿Todos los versos de un poema tienen el mismo número de sílabas?
  7. ¿Qué reglas hay que tener en cuenta cuando medimos un verso? Explica cuáles son y en qué consisten.
  8. ¿Qué es la sinalefa? Pon un ejemplo.

GRAMÁTICA

  1. ¿Qué es el verbo?
  2. ¿Qué significa conjugar un verbo?
  3. ¿Qué es la conjugación de un verbo?
  4. ¿Cómo pueden ser las formas verbales? Explica y pon un ejemplo de cada.
  5. ¿Qué es la raíz de un verbo? Pon un ejemplo.
  6. ¿Qué es la desinencia de un verbo? Pon un ejemplo.
  7. ¿Cuántos modelos de conjugación existen? ¿Cuáles son? Pon ejemplos.
  8. ¿Las formas verbales tienen número? En caso afirmativo, ¿cuáles? Pon ejemplos si has contestado que sí.
  9. ¿Las formas verbales informan sobre la persona que realiza la acción? En caso afirmativo, ¿cuáles? Pon ejemplos si has contestado que sí.
  10.  ¿Las formas verbales tienen género? En caso afirmativo, ¿cuáles? Pon ejemplos si has respondido que sí.
  11.  ¿Qué son las formas no personales? ¿Cuáles son? Pon ejemplos. ¿Cuáles tienen formas compuestas?

 

ORTOGRAFÍA

 

  1. ¿Qué palabras se escriben con h intercalada? Pon ejemplos.
  2. ¿Qué palabras se escriben con z final? Pon ejemplos.
  3. ¿Qué palabras se escriben con d final? Pon ejemplos.

 

VOCABULARIO

 

  1. ¿Qué son los prefijos? Pon ejemplos.
  2. ¿ Qué son los sufijos? Pon ejemplos.
  3. ¿Qué significado aporta el prefijo des-? ¿Y el prefijo re-? ¿Y el prefijo pre-? Pon un ejemplo de cada.

LECTURA

  1. ¿Qué es una leyenda?
  2. ¿Qué es un relato histórico?
06/03/2014 16:06 miprimerzarzablog #. LENGUA No hay comentarios. Comentar.

Repaso tema 9 de matemáticas.

REPASO TEMA 9: LOS ÁNGULOS

 

  1. ¿Qué es un segmento?
  2. ¿Qué tipos de ángulos conoces? ¿Cuánto miden? Dibújalos.
  3. Traza un ángulo que mida 55º.
  4. Traza un ángulo que mida 135º.
  5. ¿Qué son los ángulos consecutivos? Dibuja un ejemplo.
  6. ¿Qué son los ángulos adyacentes? Dibuja un ejemplo.
  7. Dibuja dos ángulos consecutivos que midan 25º y 130º.
  8. Dibuja dos ángulos adyacentes sabiendo que uno de los ángulos mide 75º
  9. ¿Qué es la mediatriz de un segmento?
  10. Dibuja la mediatriz de un segmento de 4 cm.
  11.  ¿Qué es la bisectriz de un ángulo?
  12.  Dibuja la bisectriz de un ángulo de 65º.
  13.  Halla la bisectriz de un ángulo de 120 º. Después, traza la bisectriz de cada ángulo que se ha formado.
  14.  Sabiendo que los ángulos de un triángulo equilátero miden 60º cada uno, y que todos los lados son iguales. Traza un triángulo equilátero de 4 cm de lado.
  15.   Vuelve a trazar el triángulo de la actividad anterior y halla las mediatrices de los lados del triángulo.

INVERTEBRATES - Characteristics and Main Groups

Click here you see the outline of the characteristics and main groups of invertebrates.


11/03/2014 22:58 miprimerzarzablog #. SOCIAL AND NATURAL SCIENCE No hay comentarios. Comentar.

ARTHROPODS

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The Largest Animal Group

Arthropods are animals with segmented bodies and six or more jointed legs. They are the largest animal group on Earth. In fact, more than three out of four of all animals are arthropods. They are found everywhere – on land, in trees, in freshwater and saltwater, and even underground. Arthropods are generally small. Most are less than 1 cm long. Some arthropods, however, are quite large. The giant king crab, for example, measures over 3.2 m from the tip of one outstretched leg to another. Some of the most familiar arthropods are butterflies, beetles, flies, ants, bees, spiders, scorpions, shrimp, and crabs.

Arthropods are found in every environment including the ocean. Crustaceans, like this crab, are aquatic arthropods.

Six Legs, Eight Legs, Ten Legs, or More!

There are many strange and beautiful arthropods. Most belong to one of three major groups: insects, crustaceans, or arachnids.

Insects are the only arthropods capable of powered flight. Some dragonflies can fly at speeds over 64 kph!

Insects have six legs. They are the only arthropods capable of powered flight. Dragonflies are the most spectacular. Some can fly at speeds over 64 kph! Every year, scientists discover and describe thousands of new arthropod species. Most are new insects.

Spiders, like this tarantula, are arachnids. Arachnids make up the second-largest group of arthropods.

Arachnids have eight legs. Spiders are, perhaps, the best-known arachnid. Most arachnids live on land, although a few live in freshwater. Scorpions, mites, and ticks are also arachnids.

This spiny lobster is a crustacean. Most crustaceans live in the ocean or in freshwater.

Crustaceans have ten or more legs. Most are aquatic, which means they live in water. Most aquatic crustaceans – crabs, lobsters, and shrimp – live in the sea. A few crustaceans live in freshwater streams and lakes. Some, like woodlice, live on land. Both the largest and smallest arthropods in the world are crustaceans.

Arthropods Make Good Eating

Arthropods are an important part of many different food chains. Krill, shrimp, and copepods are just some of the arthropods that many animals rely on for food.

Arthropods are critical to the food chain. They are the major source of food for most other animals and even a few plants. Birds, reptiles, fish, and other arthropods eat them. Even people eat arthropods. In the oceans, arthropods such as krill, copepods, and other crustaceans form the foundation of the food chain on which most fish and sea mammals survive. Even the largest animal in the world, the blue whale (which weighs 108 metric tons), feeds on plankton. Plankton is a floating soup of marine arthropods, plants, and other tiny animals.If you’ve eaten shrimp, crab, or lobster, then you’ve made a meal of an arthropod.

Arthropod Anatomy

All arthropods have jointed legs and a head and segmented body parts called the thorax and abdomen. An arthropod’s body is covered by a shell or a hard outer skin called anexoskeleton. It is made of a material called chitin. The exoskeleton has a special top layer, the cuticle, which is thick and tough. In crustaceans, the exoskeleton is sometimes called the carapace and hides the segmented body parts.

Arthropods are a very diverse group, but they share some basic characteristics. Click below to discover their similar features.

It’s an Arthropod’s Life

Because there are so many different types of arthropods, there are also many different ways in which they develop and grow. Most begin as eggs, hatch into larvae, and then metamorphose into adults.

Outgrowing Their Skins

Having a hard exoskeleton provides good protection. But it can be a disadvantage when an arthropod is growing. Arthropods must shed their exoskeleton and grow a new, larger one. As an arthropod grows, its exoskeleton splits along the back of the thorax. The arthropod can then crawl out of its old exoskeleton. It can take several minutes or up to a few hours for the new exoskeleton to harden. During this time, the arthropod is without its “armor” and can be attacked very easily.

Many arthropods sting or bite when defending themselves. Some have powerful venom that they use to stun or kill their prey. Some of these arthropods are poisonous to people as well as animals.

Making Major Changes

Arachnids – spiders, scorpions, and ticks – hatch from eggs and look like small versions of their adult parents. But many arthropods change dramatically between the time they hatch and the time they reach adulthood. For example, flightless caterpillars (the larval stage of moths and butterflies) turn into winged adults. Ladybugs look like miniature dragons until they metamorphose. Strange little creatures called zoea look like they have come from outer space. They swim about the ocean before settling to the bottom and becoming crabs.

Arthropods and People

Many people do not understand the vital role arthropods play in keeping the world alive and healthy. Life on Earth would end very quickly without arthropods. Arthropods are great recyclers and decomposers and they are a super food source. They also help pollinate the plants that provide food and keep the air and water clean.

Arthropods to Avoid

Arthropods such as flies, lice, fleas, ticks, and mosquitoes can make your life uncomfortable if they bite you. Some insects, arachnids, and millipedes produce poisons that can make people sick or even kill them. Arthropods are also indirectly responsible for many people dying. Certain kinds of mosquitoes are very dangerous. They may carry diseases like malaria and dengue fever. Malaria passed on to people by mosquitoes kills over 1 million people each year- that’s more than any other disease.

11/03/2014 23:02 miprimerzarzablog #. SOCIAL AND NATURAL SCIENCE No hay comentarios. Comentar.

Research Project on Arthropods

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1.- How do we get honey from bees? Explain the process from beehive to table. Why is honey so good for us? What other products do we get from beehives?


2.- Which arthropods are edible? Which ones are eaten in Spain? Which ones are eaten in other countries? Look for recipes that have mollusks as the main ingredient.


3.- What is malaria? How is it transmitted? In what countries is malaria a severe problem? How many people are infected every year? Look for possible measures for prevention and cure.


4.- What are locusts? What type of animal are they? In which countries is there a danger of locusts destroying farmer’s crops? How fast can a swarm of locusts eat their way through a field of crops? What can be done to prevent this from happening?


12/03/2014 11:18 miprimerzarzablog #. SOCIAL AND NATURAL SCIENCE No hay comentarios. Comentar.

17th March: SAINT PATRICK'S DAY

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St. Patrick is the patron saint of Ireland and St. Patrick’s Day falls on 17th March. Although originally a Catholic celebration, it has become more and more secular with parades, music and songs both in Ireland and in countries to which the Irish have emigrated.

This is a selection of website we have selected for you. Happy surfing!!

St. Patrick’s Day

History.com - St. Patrick’s Day

Kaboose - St. Patty’s Day for Kids

Leprechauns


18/03/2014 18:14 miprimerzarzablog #. FESTIVALS No hay comentarios. Comentar.

19th March: FATHER'S DAY

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Father’s DayEl Día del Padre, is observed on the Feast day of Saint Joseph, which is March 19. It is celebrated as a public holiday in some regions of Spain.

Father’s Day is a celebration honoring fathers and celebrating fatherhood, paternal bonds, and the influence of fathers in society. Many countries celebrate it on the third Sunday of June, but it is also celebrated widely on other days. Father’s Day was created to complement Mother’s Day, a celebration that honors mothers and motherhood.

                         

20/03/2014 09:27 miprimerzarzablog #. FESTIVALS No hay comentarios. Comentar.

20 de marzo: PRIMER DÍA DE LA PRIMAVERA 2014

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Inicio astronómico de la primavera de 2014

Según cálculos del Observatorio Astronómico Nacional (Instituto Geográfico Nacional - Ministerio de Fomento), la primavera de 2014 comenzará el jueves 20 de marzo a las 17h 57m hora oficial peninsular, a las 16h 57m en Canarias. Esta estación durará 92 días y 18 horas, y terminará el 21 de junio con el comienzo del verano.

Durante esta primavera se producirán dos eclipses, uno total de Luna (15 de abril) y dos semanas después uno anular de Sol (29 de abril), el primero de ellos será visible en España. En cuanto a los planetas, Marte pasará de ser visible muy brillante toda la noche durante la primera parte de la primavera a ser visible sólo en el cielo vespertino, mientras tanto Saturno pasará de ser visible al final de la noche durante la primera parte de la primavera a verse toda la noche en el mes de mayo y terminará el final de la estación siendo visible en el cielo vespertino, produciéndose su máximo acercamiento anual a la Tierra a mediados de mayo. Durante toda la primavera Júpiter brillará al principio de la noche y Venus al final de la noche. Aunque difícil de predecir, la actividad magnética solar durante esta primavera será probablemente alta, dado que el máximo solar está previsto para abril de 2014.

Por otra parte, el domingo 30 de marzo tendrá lugar el cambio de hora, recuperando el horario de verano.

El inicio de la primavera

El inicio de las estaciones viene dado, por convenio, por aquellos instantes en que la Tierra se encuentra en unas determinadas posiciones en su órbita alrededor del Sol. En el caso de la primavera, esta posición es aquella en que el centro del Sol, visto desde la Tierra, cruza el ecuador celeste en su movimiento aparente hacia el norte. Cuando esto sucede, la duración del día y la noche prácticamente coinciden, y por eso, a esta circunstancia se la llama también equinoccio de primavera. En este instante en el hemisferio sur se inicia el otoño.

 

20/03/2014 14:05 miprimerzarzablog #. NOTICIAS Hay 2 comentarios.

INVERTEBRATES - Questions

  1. What are the main characteristics of invertebrates?
  2. What percentage of the world’s animals are vertebrates?
  3. What is the most numerous group of animals on our planet?
  4. What main groups of invertebrates are there?
  5. What kind of protection have ants and beetles got?
  6. What has an echinoderm got on its body?
  7. Which invertebrate has got a soft body with many segments?
  8. What main groups of arthropods are there?
  9. How many legs have the different groups of arthropods got?
  10. Which type of arthropod can have wings?
  11. What type of mollusk has got long arms?
  12. What is the shape of a snail’s shell?
  13. How do bivalve mollusks get nutrients?
  14. Are jellyfish filter feeders?
  15. How do polyps anchor themselves to the ocean floor?
  16. How many arms has a starfish normally got?
  17. What group of invertebrates do earthworms belong to?
  18. How do sponges feed?
  19. Why has a sea urchin got spikes on its body?
  20. Give examples of some arthropods that are useful for us and some that cause problems.

OPERACIONES SEMANA DEL 24 AL 28 DE MARZO DE 2014

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FECHA: 24 DE MARZO

 32.221 : 39   y    Prueba


FECHA: 25 DE MARZO

   81.398 : 83   y  Prueba

 

FECHA: 26 DE MARZO

  4 x 3 + 2 x 5 – 6 x 3 =

 

  2 x (3 + 4) – 3 x (7 – 4) =

 

  24 - 6 + 2 x 10 =

 

FECHA: 27 DE MARZO

 26.516 :  47 y Prueba

 

 3.987 x 10 =                   

 789,25 : 100 =

 

FECHA: 28 DE MARZO

 3.369,5 x 65=         

 7.895,389 – 685,25=

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29/03/2014 20:29 miprimerzarzablog #. LENGUA Hay 11 comentarios.

OPERACIONES SEMANA DEL 31 DE MARZO AL 4 DE ABRIL

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FECHA: 31 DE MARZO

15.527 : 23   y      Prueba


FECHA: 1 DE ABRIL

17.519 : 63   y      Prueba


FECHA: 2 DE ABRIL

42 + 4 x 3 – 5 x 7 =

5 x 4 – (16 – 12) x 2 =

28 – 5 x 4 + 16 =


FECHA: 3 DE ABRIL

88.386 : 25     y    Prueba

7.897,23 : 100=   

9876,56 x 1000=


FECHA: 4 DE ABRIL

1.768,24 x 34  =            

3.568,69 + 8.957,325=   

31/03/2014 20:16 miprimerzarzablog #. MATEMATICAS No hay comentarios. Comentar.

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