A – Tick the correct answer :- [ 4 ×½= 2 ]
In the solar system , the sun is ________
a. at the centre b . in the corner c . over the wall
2. Comets are huge lumps of ____________
a. paper pieces b. snowy and rocky dust c. saw dust
3. Planets do not have ____________ of their own.
a. light b. heat c. light and heat
4. Several million galaxies make up the _______________
a. Earth b. Mars c. Universe
B – Write true or false :- [ 4 ×½= 2 ]
The moon has light and heat of its own.
Saturn has 32 known satellites.
A shooting star is a meteor.
Asteroid is not a heavenly body.
C – Write meaning of the following words :- [ 2×1= 2 ]