Recursos educativos what página 478

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The states of water
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The three states of water Water has three states: liquid, solid and gas. Rain and rivers are water in a liquid state. Ice and snow are water in a solid state. Water vapour is water in a gaseous state.…
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Water changes state
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The three states of water Water has three states: liquid, solid and gas. Rain and rivers are water in a liquid state. Ice and snow are water in a solid state. Water vapour is water in a gaseous state.…
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Internal forces in the formation of relief
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2.1. Internal forces Below the surface of the Earth, gases and compressed materials put pressure on the crust. They can deform it or make it crack. These internal forces are what cause earthquakes and…
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Reading
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"Tom! Tom!” There was no answer. “Where is that boy?” said Aunt Polly, looking everywhere. She looked under the bed but she only found the cat. “Tom! Where are you” she cried, loudly. She…
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The earth and the Moon
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We live on the planet Earth. The Earth has one satellite. It is called the Moon. The Earth and the Moon are part of the Solar System. The Solar System is made up of the Sun, the planets, satellites and…
- SECUENCIA DIDÁCTICA
- 26 recursos
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Rocks
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What are rocks? Rocks are natural materials that are made up of one or more minerals. For example, marble is made up of one mineral, calcite. Granite is made up of three minerals: quartz, feldspar and…
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Vertebrates
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What are vertebrates? Vertebrates are animals that have bones and a spinal column. They also have a head, torso and limbs. Groups of vertebrates We can classify vertebrates into five groups: Mammals…
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Human beings
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Human beings look different from each other. But human beings are also similar in many ways. Our bodies have three parts: the head, the torso and the limbs. We use our motor system to move. Our motor…
- SECUENCIA DIDÁCTICA
- 21 recursos
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Fishing
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What is fishing Fishing is catching fish and other animals that live in rivers, lakes and seas. Fishermen work in the fishing industry. There are two types of fishing: Freshwater fishing takes place in…
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Air and the atmosphere
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What is air? Air is a mixture of gases. It forms the atmosphere around us. Air is made up of two main gases: nitrogen and oxygen. It also has other gases, including water vapour and carbon dioxide.…
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