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Recursos educativos
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Final self-evaluation 1.9 - Matter and Materials
EduBook Organización
- 1509 visitas
Put the following process for separating a mixture such as oil and water in the correct order:
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Final self-evaluation 9 - Matter: Mass, Volume and Density
EduBook Organización
- 1509 visitas
Match each concept with a definition: mass scales density metre kilogram litre volume square centimetre
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Initial evaluation 2 - The Universe and our Solar System
EduBook Organización
- 1508 visitas
Complete the following sentences with the missing words: The solar system is found in a galaxy called the . Stars are formed by and produce and . is the closest planet to the Sun and is the farthest.
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The Earth's satellite: the Moon
EduBook Organización
- 1514 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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The depletion of the ozone layer
EduBook Organización
- 1512 visitas
In the 80s, a decrease in the thickness of the ozone layer over Antarctica was detected. This rate of decrease has continued. Scientists believe that the original concentrations of ozone will be…
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Answer. Pollution, the environment and health 1
EduBook Organización
- 1511 visitas
What is acid rain?
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Did you know?
EduBook Organización
- 1502 visitas
When we want water, we just turn on the water tap and out it comes. But water is a very scarce resource. We should not waste or pollute water. Remember, more than 2 billion people do not have access to…
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Final self-evaluation 03 - The Earth's Crust
EduBook Organización
- 1508 visitas
Are the following sentences true or false? The Earth's outermost layer is called the crust. Ocean trenches are long, narrow depressions in the floor of the ocean. The most common elements in the…
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Answer. Classification of living things (1)
EduBook Organización
- 1505 visitas
What does the term biological evolution mean?
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Final evaluation 4 - The Animal Kingdom (II). Vertebrates
EduBook Organización
- 1501 visitas
Review the life cycle of the frog and answer the questions: Why do frogs lay eggs in the water? Do tadpoles and adult frogs have the same system of respiration? Can we consider tadpoles to be adult…
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