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THE MYSTERIES OF THE UNIVERSE (3ºPrimaria)

eliss23

Created on December 14, 2021

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Transcript

The Moon is the Earth´s satellite

The EARTH

Mysteries of the Universe

Representing the Earth

PLANETS

THE EARTH IS A PLANET

Our Solar System has eight planets, which orbit the Sun. The Earth is the planet where we live. It is the third closest planet to the Sun. The Earth is spherical in shape, but flatter at the poles. The oceans and seas cover three-quarters of the Earth's surface.

THE EARTH'S SPHERES

PLANETS

SUN

Mercury

Venus

Mars

EARTH

Jupiter

Neptune

Saturn

Uranus

THE EARTH MOVES THROUGH THE SPACE

The Earth is constantly moving, but we don't notice it.

REVOLUTION

ROTATION

The Earth rotates on its axis. One complete rotation takes 24 hours ( 1 day). It causes the change between day and night.

The Earth also orbits the Sun. One complete orbit takes 365 days and 4 hours (1 year)It causes the four seasons: spring, summer, autumn and winter.

The earth's spheres

GEOSPHERE

The solid part of the planets; continents and islands

HYDROSPHERE

All the water on the planet: rivers, seas, oceans...

IMPORTANT!

ATMOSPHERE

The layer of air that surrounds the Earth. It consists of gases.

THE MOON IS THE EARTH'S SATELLITE

The Moon is the only natural satellite that orbits the Earth.We can see the Moon from the Earth because the Sun illuminates it.

MOON PHASES

The Moon is constantly moving.It rotates on its axis and it orbits the Earth. Both these movements take 28 days. We always see the same side of the Moon.

MOON PHASES

Earth´s axis

REPRESENTING THE EARTH

Northern Hemisphere

GLOBES

Poles

A globe is a sphere that represents the entire surface of the Earth.

Equator

Southern Hemisphere

WORLD MAPS

A world map represents the entire Earth on a flat surface. It shows us all the continents and oceans.

WHAT IS A MAP?

Maps can represent the whole of the Earth or part of it: continents, countries, regions...

Physical

Political

Thematic

it represents the relief

it represents the countries, the borders...

it represents theclimate, the nature...

They can be

HOW DO WE READ MAPS?