Download Unit 11: space,stars and planets The word in English The meaning

Unit 11: space,stars and planets
The word in
English
nebulae
galaxy
orbit
asteroids
lump
comets
meteors
dust
glow
The
meaning in
Arabic
‫غمامة‬
‫مجرة‬
‫مدار‬
‫كويكب‬
‫كتلة‬
‫مدنب‬
‫ظاهرة جوية‬
‫غبار‬
‫متوهج‬
Remember the following.
*Space is the area beyond the earth ‘s atmosphere .
*There is no air in the space.
*There are great clouds of gas and dust in space,
these clouds are called nebulae.
*The force of gravity pulls gas and dust particles
together.
*The band of stars are called milky way.
* An island of stars spinning through space is called
galaxy.
*There are many other galaxies in space.
*Bodies that go around the sun are called planets.
*Plants go round the sun in fixed paths called orbits.
*The earth has one moon.
*The sun and all the planets and moons make up the
solar system.
*An asteroid is a lump of rocky material in space.
*There are more than 400000 asteroids.
*Asteroids are going around the sun in their own
orbits like small planets.
* Meteorites are pieces of rock which don’t burn up
completely before falling to the ground .
*The sun is a star in our solar system.
*The sun is 330000 times bigger than the earth.
*The sun diameter is 1384000km.
*The sun is made of gas and dust.
*Temperature in the centre of the sun is 14000000c.
*The temperature on the surface of the sun is 6000c
*Mercury is one of the smallest planets in the solar
system.
*Mercury is almost half size of the earth.
* Mercury has high temperature because it is close
to the sun.
*Venus is the closet planet to the earth.
*Venus is about the same size of the earth.
*Venus is always covered in thick white clouds.
*There is no life on venus.
*Mars contains less air and water than the earth.
*Mars takes two years to go around the sun.
*Jupiter is a very big planet.it’s ten times as big as
the earth.
*Jupiter has 16 moons.
*Jupiter can be seen as red planet in the sky at night
because it’s surrounded by a cloud belt which has a
red spot.
*Saturn is the second biggest planet, it’s surrounded
by hundreds of narrow rings.
*Saturn has 15 moons and it’s very hot.
*Uranus has five moons,and it’s blue-green colour.
*Neptune is almost the same size as Uranus,it’s very
cold and its temperature is -200c.
Pluto is a very small planet it’s cold and very far from
the sun.