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The earth and the Moon
EduBook Organización
- 4387 visitas
Globe. Globes represent the Earth in its true form, as a sphere. Orbit. To move round a planet or star. The Earth orbits the Sun. Hemisphere. The Earth has two hemispheres: the northern hemisphere and…
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How to…Find the exact location of places
EduBook Organización
- 3849 visitas
Parallels and meridians form an imaginary grid over the surface of the Earth. Any place on the planet can be precisely located by identifying its latitude and longitude. Measuring parallels Each…
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The movements of the Earth and the seasons
EduBook Organización
- 3703 visitas
The planet Earth is round, like a ball. We call this shape a sphere. We use imaginary lines to study it. The Earth moves in two ways. It orbits (moves around) the Sun and it rotates on an imaginary line…
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The Earth (I)
EduBook Organización
- 3332 visitas
The planet Earth is round, like a ball. We call this shape a sphere. We use imaginary lines to study it. The Earth moves in two ways. It orbits (moves around) the Sun and it rotates on an imaginary line…
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The arm and leg bones
EduBook Organización
- 2679 visitas
Arms Our arms are joined to our body by the two bones that form our shoulder: the clavicle and the scapula. The upper arm only has one bone, called the humerus. The forearm has two parallel bones,…
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Select. The mountain ranges surrounding the Meseta
EduBook Organización
- 2166 visitas
Match each characteristic with the correct mountain range: It is located to the north of the Meseta. ➝ It separates the Meseta from the Guadalquivir river basin. ➝ It runs parallel to the Bay of…
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Work and energy. Machines
EduBook Organización
- 3709 visitas
2.1. Forces do work A force does work on a body when it displaces it (figure 1). This is because it changes its energy. For example, if we apply a force to a moving object, the velocity of this object…