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Learn that gravity is a force of attraction which acts on Earth towards the centre of the planet, and that the size of the force of gravity
السمات:
Earth Space Gravity planet Intel انتل |
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3D render image of Moon:The Moon is Earth's only natural satellite and the fifth largest satellite in the Solar System. The average centre-to-centre distance from the Earth to the Moon is 384,403 kilometres (238,857 mi), about thirty times the diameter of the Earth.
السمات:
Moon Astronomy galaxy planets satellite universe astrophysics |
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3D render image of Pluto:Pluto, formal designation 134340 Pluto, is the second-largest known dwarf planet in the Solar System (after Eris) and the tenth-largest body observed directly orbiting the Sun. Classified as a planet from its 1930 discovery until 2006, Pluto is now considered the largest...
السمات:
pluto drawf palnet kuper belt Astronomy galaxy planets stars universe astrophysics |
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Vector generated Image of Mass of Electron Apparatus: Many years ago in the early days of Radio, the “Magic Eye Tube” was a popular and very effective method of indicating that the radio station was properly tuned in. The ‘fan shaped ’illumination became narrower as the tuning improved...
السمات:
mass electron apparatus mass electron electron |
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Vector generated Image of Savart's Tone Wheel: Savart’s Tone Wheel is a set of 4x 73mm diameter aluminum toothed discs with a centre spindle that can be held in a whirling machine or in an electric motor chuck. The toothed discs are 2mm thick and the spindle is 40mm long and 10mm...
السمات:
savart's tone wheel tone wheel toothed discs |
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Painting of Apical meristem for Stem:The apical meristem, or growing tip, is a completely undifferentiated meristematic tissue found in the buds and growing tips of roots in plants. Its main function is to begin growth of new cells in young seedlings at the tips of roots and shoots (forming...
السمات:
Apical meristem shoot apical meristem meristerm |
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Vector generated image of Vernier Caliper:Vernier scale, this makes it possible to directly obtain a more precise measurement. Vernier calipers can measure internal dimensions (using the uppermost jaws in the picture at right), external dimensions using the pictured lower jaws, and depending on...
السمات:
materials Tools white blank Vernier Caliper |
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