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Unit 1EARTH AND UNIVERSE
Blanca Fernández Martín
1. The universe
Solar System
Planets and others celestial bodies orbiting the Sun
1. The universe
The Sun The Milky Way
A giant mass of gas in the shape
of a sphere.
Lots of stars and systems together.
It is our galaxy.
2. The Solar System
PlanetsCelestial bodies that orbit around the Sun.
Inner planets
Outer planets
2. The Solar System
Inner planets
They are closest the Sun.They are the smallest.
They are made of rocks and metals.
2. The Solar System
Outer planets
They are furthest the Sun.They are the largest.
They are made of gas.They have many satellites.
2. The Solar SystemThe Moon
The Earth only natural satellite.Its rotation and revolution last 28 days.
3. Earth's movements
Rotation
Earth spins on its axis. It takes 1
day and causes days and nights.
Earth orbits around the Sun. It takes 1 year and causes
the seasons.
Revolution
4. Earth
AtmosphereLayer of gases.
It makes life possible on Earth.
Components:- Nitrogen- Oxygen
- Water vapour
4. Earth
Hydrosphere: Layer of water.
4. Earth
GeosphereLayer of rocks and minerals inside the
Earth. Parts:- core
- mantle- crust
An interviewFINAL TASK
