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Did you know...
EduBook Organización
- 3035 visitas
The emergence of a global communications network (the Internet) has produced radical changes in our social habits. The social networks created using this new technology enable users to communicate…
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Measurement. Magnitudes and units
EduBook Organización
- 2718 visitas
1.1. Magnitudes Matter has two general properties. It has mass and volume. Mass and volume are magnitudes. Everything that can be measured has a magnitude. Time, length and temperature can all have a…
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Complete. Carbon and oxygen
EduBook Organización
- 2461 visitas
Complete the text with the missing words: is the most characteristic chemical element of living matter. The structural properties of help it to join with other carbon, hydrogen and oxygen atoms. The…
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Complete. Liquid, solid and gas
EduBook Organización
- 2355 visitas
Complete the following sentences: liquid properties volume matter fixed gas one solid The three states of are , and . To measure the of a liquid we use a measuring cylinder. Pure substances are made of…
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Learn. Spontaneous generation - Animal reproduction
EduBook Organización
- 2169 visitas
In ancient times, many people believed that living things could be created spontaneously from decomposing material. Aristotle stated that flies and mosquitoes were produced spontaneously from mud in…
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True/False. Waves and oscillations
EduBook Organización
- 2123 visitas
Answer true or false: Waves transport matter and energy. Electromagnetic waves do not need a natural medium to travel through. A wave is the transmission of an oscillatory or vibratory motion and of…
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Complete. Characteristics of fungi
EduBook Organización
- 2114 visitas
Complete the text with the correct words: parasites individual matter damp spores Fungi live in places and most of them feed on plant or animal . Some are : they feed on live plants or animals. Fungi…
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Physical and chemical changes
EduBook Organización
- 2096 visitas
Energy causes matter to change: Physical changes. The form and state of the substance changes but the composition does not. Chemical changes. These changes give us a substance that is different to the…
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The Universe
EduBook Organización
- 2039 visitas
1.1. The composition of the universe The Universe is everything. It includes all space and time, and all known or still undiscovered forms of energy and matter. In the Universe, there are a lot of…
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Video: English Man in New York
Esl video Organización
- 1 lo usan
- 1579 visitas
This song by Sting is about being oneself, no matter what people say, especially in a different society. Students may use the new vocabulary to talk about manly values: sobriety or aggressiveness? In…
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