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The Middle Ages
EduBook Organización
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Castles and churches In the Middle Ages, the most important buildings were castles and churches. There are still many castles and churches from the Middle Ages in Spain today. We call these old…
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Think about it. Energy transfer
EduBook Organización
- 2938 visitas
Remember what you have studied in this section and answer the questions: Which has more internal energy: a hot body or a cold body? Explain why. With a classmate, discuss why we can start a fire if we…
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True / false. The continental landscape
EduBook Organización
- 2920 visitas
Which of these statements about the continental landscape are true or false?: The abundance of coniferous forest is thanks to the abundance of rainfall. Temperatures are high because of the distance…
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Answer. Properties of matter: mass, volume and density
EduBook Organización
- 2898 visitas
Remember what you have studied in this section and answer the questions: What is mass? What is volume? What is density? What is matter? What two physical properties does matter have? How many kilograms…
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Introduction - Matter and materials
EduBook Organización
- 2884 visitas
Everything around us is made up of matter. Matter can be found in three states: solid, liquid and gas. The air we breathe is a gas, the water in rivers and seas is a liquid, and the rocks are in a solid…
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Introduction - Matter and Materials
EduBook Organización
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All objects around us are made of matter. Matter is anything that occupies space. We find matter in three different states: solid, like ice, liquid, like water, and gas, like water vapour. We can make…
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Castles - Castles
EduBook Organización
- 2658 visitas
Long ago castles were built to protect people from enemies. The first castles were made of wood. They were small and were built on hills. There was a high fence1 all around them. Families lived in…
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Heat and temperature
EduBook Organización
- 2753 visitas
What is heat? Heat makes an object hotter. It always travels from hot objects to cold objects. Sources of heat Sources of heat produce heat. There are artificial sources and natural sources. Some…
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End-of-unit evaluation - The Plant Kingdom
EduBook Organización
- 2727 visitas
Plants are one of the most visible elements in the countryside. They provide colour, greenery and beauty where they live and flourish. Plants are not only decorative, but also essential life-giving…
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Our distant past
EduBook Organización
- 2661 visitas
Aqueduct. In Roman times, aqueducts carried water from the rivers to the cities. Modern Age. The Modern Age started in the 15th century. It was a period of discovery and new inventions. Castles. A…