science 5th block 1 class 1
DESCRIPTION
PPP for the book Science.ec, Unit 1 The Earth and its Expressions.TRANSCRIPT
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The Earth and its Expressions
Block 1
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The Milky Way is our galaxy. This is a picture of the Milky Way taken from Earth.
The Milky Way
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This is a picture of the Sun in the Milky Way. The Sun is the center of
the Solar System.
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The Solar System is where our planet is. There is no other planet with (comfirmed) life around here.
The Solar System
(is a Dwarf Planet)
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In the past people thought that the Earth was flat and that it had edges, and you could fall if you advanced too far into the extreme of the Earth.
A Flat Planet
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And other people believed that volcanoes erupted or the Earth moved beacuse their Gods were angry.
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Aristotle (384-322 B.C.) thought that the Earth was the center of the Universe. Nicolaus Copernicus (1473-1543) proposed that the Sun was the center of the Universe, not the Earth. Galileo Galilei (1564-1642) improved the telescope and used it to confirmed his idea that the Earth and other planets revolved around the Sun.
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In 1946 the Space Age began. USA and Russia started a race to see which country could send the first person into space.
Space Age
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7. Basement
In November 3rd, 1957 Laika was the first living being who traveled into space on the Sputnik II.
Laika
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Now with technology we can predict the weather and communicate with anybody around the world.
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Sputnik 1… the first Earth orbiting artificial satellite.