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Symmetry
EduBook Organización
1815 visitas
The symmetry that exists between an object and its reflection is similar to the symmetry between our hands. Our hands have the same form, but the order of the fingers is in reverse.
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Match. Definitions of landforms
EduBook Organización
1799 visitas
Match the words to their definitions: : an area of low, flat land with a single river running through it. : the mountain ranges beyond the Meseta. : a mountain range, 400 km in length.
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Match. The Meseta and mountain ranges.
EduBook Organización
1775 visitas
Complete the sentences with the correct answer: The Meseta is divided by . The Meseta occupies . El Peñalara is one of the highest peaks of . The Sistema Central divides the Meseta into . The Meseta…
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Complete. Fertilisation
EduBook Organización
1692 visitas
Complete the following text about sexual reproduction in flowering plants: flowers sexually ovule In general, flowering plants reproduce , by the union of an and a spermatozoid. The sexual organs of the…
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English Bites / Transit of Venus
Xtec Organización
1648 visitas
The transit of Venus is when the planet Venus crosses between the sun and the Earth. It doesn't happen very often, and it has been an important event in times gone past.
- Menos de 15 minutos
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Radial Air Engine
Adrian Aguilar Arnaud Docente
1496 visitas
This is a video of a simple, model oscillating radial air engine I built in 2007. In this video I am running this self-starting engine with an air compressor...
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Answer. The colours of light
EduBook Organización
1591 visitas
What is white light made up of? Why do objects have a particular colour? Give an example. Which three colours can we use to make white light? What name do we give these colours?
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Interpret. Investigate and answer
EduBook Organización
1543 visitas
Look at the list of materials below: gypsum – granite – glass – steel – marble – copper – clay – aluminium Find out what each material is used for. Give one example of an object made from…
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Investigate - Sound
EduBook Organización
1525 visitas
Put an elastic band around two fingers. Ask a classmate to ping your elastic band by pulling it back then letting it go. What can you see? Does the elastic band move? What can you hear?
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Science Please! / The internal combustion engine
Xtec Organización
1446 visitas
Do the words 'auto mechanics' make you curious? Actually, it's a cinch. A car is made up of: wheels, seats, fuzzy dice, a body and an engine.
- Menos de 15 minutos
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