Available Answers

1. 1.

   Tick (√) the correct statement and put a cross (x) against the wrong one.

   1. A planet is a huge ball of gases that has heat and light of its own.
   2. Satellites are small heavenly bodies that revolve around the planets.
   3. The outer surface of the earth is called crust.
   4. The movement of the earth around the sun is called rotation.
2. 2.

   Fill in the blanks. Choose from the box.

   equator

   star

   Spring

   galaxy

   core

   revolution

   rotation

   planet

   1. A ______________ is a huge ball of gases which gives off its own heat and light.
   2. A ______________ is a group of billions of stars.
   3. the inside of the earth is called the ______________.
   4. The ______________ is an imaginary line around the earth, exactly halfway between the poles.
   5. The movement of the earth around the sun is called ______________.
   6. Holi marks the coming of ______________.
3. 3.

   Match the columns.

   1. our galaxy	a. Mercury
   2. planet nearest to the sun	b. innermost portion of the earth
   3. planet with rings	c. natural satellite of the earth
   4. moon	d. solar year
   5. core	e. the Milky way
   6. complete revolution of the earth around the sun	f. Saturn

    

4. 4.

   Name them.

   1. A planet called the evening star.
   2. A planet that is covered with red dust, so it appears red in the sky.
   3. An instrument which helps us to see distant planets.
   4. Home to all living things.
   5. This is formed when hot molten material is thrown out of the earth.
5. 5.

   What is the difference between a star and a planet?
6. 6.

   What do we mean by solar system?