1.What causes seasons? 2.Describe causes of Lunar Eclipse and Solar Eclipse? 3.Describe contributions of Copernicus, Newton and Einstein. 4.How many

1.      What causes seasons?

2.      Describe causes of Lunar Eclipse and Solar Eclipse?

3.      Describe contributions of Copernicus, Newton and Einstein.

4.      How many types of spectrum are there? Describe their differences.

5.      How many electromagnetic radiations? List one application of each one.

6.      What is structure of the Sun?

7.      List motion of each planet (rotation and revolution).

8.      Explain one method of detecting extra-solar planets.

9.      List one possible reason of creating magnetic field in planet.

10.  What are typical properties of terrestrial planets and Jovian planets?