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Introduction - Matter and materials
EduBook Organización
- 3229 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
- 3176 visitas
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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End-of-unit evaluation - Matter and Materials
EduBook Organización
- 3137 visitas
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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Think about it. Energy transfer
EduBook Organización
- 3138 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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Answer. Properties of matter: mass, volume and density
EduBook Organización
- 3114 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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True / false. The continental landscape
EduBook Organización
- 3085 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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Castles - Castles
EduBook Organización
- 2906 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
- 3014 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
- 2876 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
- 2831 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…
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