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- Biosfera para octavo
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Final evaluation 1.6 - Matter and Materials
EduBook Organización
- 1947 visitas
How are the following concepts related to each other?: atom, molecule, element, compound, pure substance, mixture, homogeneous mixture and heterogeneous mixture.
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Calculate. Distances in the Universe 5
EduBook Organización
- 1943 visitas
If Neptune is located 30 AU (astronomical units) away from the Sun, how many kilometres are there between them? km.
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Other components of our Solar System
EduBook Organización
- 1941 visitas
4.1. Satellites Satellites are small bodies that do not move around the Sun. They move around other bodies in the Solar System. Most satellites are spherical, such as the Moon, although there are also…
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Final self-evaluation 4 - The Universe and our Solar System
EduBook Organización
- 1946 visitas
Complete the sentences with the missing words: are bodies that orbit planets. The planet nearest to the Sun is . The planet farthest from the Sun is . The four planets are Jupiter, Saturn, Uranus and…
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Did you know?
EduBook Organización
- 1945 visitas
Perspiring is really important. It is a mechanism for regulating our body temperature. When we sweat from the heat or doing exercise, the water that our skin excretes evaporates on contact with the air…
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Answer. Clay
EduBook Organización
- 1952 visitas
The sedimentary rock clay can be described as a very plastic material but it is not a synthetic material like plastic. Where does clay come from? How would you classify clay? What do we use clay for?
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Final evaluation 4 - The Earth, a Living Planet
EduBook Organización
- 1952 visitas
Give three examples of primary elements and three examples of secondary elements. What is the difference between them?
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Classify. Classification of invertebrates
EduBook Organización
- 1956 visitas
Which group does each organism belong to? tapeworm flatworm jellyfish anemone coral sponge
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Choose. Adaptation of birds
EduBook Organización
- 1949 visitas
Decide if the following characteristics of birds are adaptations for flight: Hornlike beak without teeth. Light skeleton. Internal fertilisation. Aerodynamic shape. Warm-blooded. Respiratory system…