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    ERASMUS PLUS-  ORIONS- Entry Test

                                               EARTH SCIENCE

1.Stars are bodies

a. formed from gaseous oxygen and helium
b. gaseous high temperature that own light shine
c . incandescent solids
d. made of materials in the molten state

2.The stars with surface temperatures have higher absolute colors

a. white
b. yellow
c. Blue
d. Light Blue

3-The outer part of the solar atmosphere is named
to. radiative zone
b. solar corona
c. chromosphere
d. ionosphere

4.Sun Power originates
a .in a radiation zone
b. in the convection zone
c. in the photosphere
d. in the nucleus

5.The difference between one season and the other depends

a. the length of day and night
b. the distance of the Earth from the Sun.
c. from different angle of sunlight on the earth's surface
d. From different  speed of the motion of revolution