the universe science 1º eso – unit 1 i.e.s. “luis de góngora” (córdoba); dept. biology and...
TRANSCRIPT
THE UNIVERSETHE UNIVERSE
Science 1º ESO – Unit 1Science 1º ESO – Unit 1
I.E.S. “Luis de Góngora” (Córdoba); Dept. Biology and Geology I.E.S. “Luis de Góngora” (Córdoba); Dept. Biology and Geology
Bilingual Educational Project.Bilingual Educational Project.
WHAT IS THE UNIVERSE?WHAT IS THE UNIVERSE?
The answer is quite simple: The answer is quite simple: The universe The universe is the whole of everything that existsis the whole of everything that exists..
In the universe we can distinguish two In the universe we can distinguish two types of elements:types of elements: ““WHAT”? WHAT”? MatterMatter and and EnergyEnergy ““WHERE”? WHERE”? SpaceSpace and and TimeTime
CLUSTERS OF GALAXIESCLUSTERS OF GALAXIES
We live in a cluster of galaxies called We live in a cluster of galaxies called “LOCAL GROUP”“LOCAL GROUP”
GALAXIESGALAXIES
A GALAXY is made up of gas, dust, A GALAXY is made up of gas, dust, and hundreds of thousands of millions and hundreds of thousands of millions of starsof stars
TYPES OF GALAXIESTYPES OF GALAXIES
According to its shape, a galaxy can be…According to its shape, a galaxy can be…
ELLIPTICALELLIPTICALSPIRALSPIRALIRREGULARIRREGULAR
STARS, STARS, STARS…STARS, STARS, STARS…A star isA star is a big ball of gas that emits its own a big ball of gas that emits its own
lightlight If you look at the skyIf you look at the sky, you can see hundreds , you can see hundreds
of bright spots: They are the starsof bright spots: They are the starsLook at them carefully!Look at them carefully! All of them seem to All of them seem to
be very similar, but two characteristics can be very similar, but two characteristics can be used to distinguish them:be used to distinguish them:
COLOURCOLOUR: : It depends on the surface’s It depends on the surface’s temperaturetemperature
BRIGHTNESSBRIGHTNESS: It depends on its : It depends on its distance and sizedistance and size
CONSTELLATIONSCONSTELLATIONS
A constellation isA constellation is a group of stars that , a group of stars that , when seen from Earth, seem to form a when seen from Earth, seem to form a picture in the night sky. picture in the night sky.
THE SOLAR SYSTEMTHE SOLAR SYSTEM The solar system is the The solar system is the
whole of celestial bodies whole of celestial bodies that orbit around the that orbit around the sun:sun:
PlanetsPlanets:: Rocky planetsRocky planets: :
Mercury, Venus, Mercury, Venus, Earth, MarsEarth, Mars
Gaseous planetsGaseous planets: : Jupiter, Saturn, Jupiter, Saturn, Uranus, NeptuneUranus, Neptune
Dwarf planetsDwarf planets: Ceres, : Ceres, Pluto, ErisPluto, Eris
SatellitesSatellites, like the Moon, like the Moon AsteroidsAsteroids CometsComets
A photo of the night sky. A photo of the night sky. If this place is on the southern hemisphere…If this place is on the southern hemisphere…
Why are stars seen as lines?Why are stars seen as lines?Which direction the west is in?Which direction the west is in?