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Choose. What matter is made up of
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All matter is made up of basic units called:
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Final self-evaluation 1.10 - Matter and Materials
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Match each property with the correct definition: Hardness Elasticity Fragility Water resistance Lightness Electrical conductivity
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Final evaluation 9 - The Universe and our Solar System
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Define the words: comet asteroid satellite meteorite
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Initial evaluation 5 - The Earth and the Moon
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Write the names of the Earth's layers.
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Answer. The Earth's satellite 03
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How are lunar craters created? Why don't they disappear from the Moon's surface?
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Answer. Effects of the Moon on the Earth 06
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When does a spring tide occur? And a neap tide?
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Final evaluation 4 - The Earth and the Moon
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List the Earth's layers and their characteristics.
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Initial evaluation 4 - The Atmosphere
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Write the names of these meteorological instruments:
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Answer. The atmosphere 2
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Is it possible to breathe in the upper layers of the atmosphere? Why/why not?
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The formation of the Earth atmosphere
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In the beginning, our planet had no atmosphere. As the Earth cooled, various gases were produced. These gases formed the first atmosphere. Oxygen appeared when the first plants began to produce oxygen…