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Answer. Elements and compounds 03
EduBook Organización
- 1780 visitas
What is an element? Write the names of some elements and their symbols.
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Explain. Separation of mixtures 03
EduBook Organización
- 1783 visitas
Can we separate water and sand using evaporation? Can water and oil be separated using evaporation? Why/why not?
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Answer. Materials 03
EduBook Organización
- 1780 visitas
Give the names of three natural fibres and a piece of clothing you can make from each of them. Do the same with three artificial fibres.
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Calculate with multiples and submultiples - Matter: Mass, Volume and Den...
EduBook Organización
- 1774 visitas
Problem solving involving measurements is often accompanied by the use of multiples and submultiples of these units. Below are four problems to demonstrate the use of multiples and submultiples and how…
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The Earth's satellite: the Moon
EduBook Organización
- 1778 visitas
3.1. General characteristics of the moon The Moon is the only natural satellite of the Earth. It is 49 times smaller than our planet. As the Moon does not have an atmosphere, the Sun's rays and the…
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Did you know?
EduBook Organización
- 1771 visitas
Hydrocarbons, such as petroleum and its derivates, are the simplest type of organic molecules. They are made up of carbon and hydrogen atoms and come from the remains of organisms that died millions of…
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Choose. Classification of living things
EduBook Organización
- 1789 visitas
Decide what type of organisms the following living things are. cyanobacteria euglena paramecium Penicillium notatum pine Ulva lactuca
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Calculate. Measuring living things
EduBook Organización
- 1783 visitas
To measure living things as small as bacteria or viruses, we use nanometres (a billionth of a metre) and micrometres (a miliionth of a metre). What fraction of a millimetre are a micrometre and a…
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Complete. Ferns
EduBook Organización
- 1774 visitas
Complete the following sentences with the missing words: Ferns are plants. The of ferns are called fronds. Ferns are examples of -flowering plants. The sporangia of ferns that produce are found on the…
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Look. Globalisation
EduBook Organización
- 1779 visitas
Look at the images and answer the questions: What does each of these images show? What aspects of globalisation are they related to?
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