worksheet11 &12

DAV PUBLIC SCHOOL,CSPU,BBSR-21

TOPIC :SOLAR SYSTEM&OBSERVING THE SKY

Name :                                       Section:        Roll No:

Q1. 1-The following is (are) example(s) of celestial body (ies).

i)Sun        ii)Moon iii)Stars          iv)All of the above

2-The following is (are) true about Sun.

i)It is made up of gases                ii)It has its own heat and light

iii)Sun is a star                             iv)All of the above

3-The different group of stars is known as

i)Constellations                ii)Celestial bodies       iii)Asteroids                iv)Comet

4-The following constellation consists of seven main stars.

i)Ursa major         ii)Ursa minor               iii)Hercules                  iv)Lyra

5-The ‘Pole star’ is

i)North star                      ii)South star     iii)East star                  iv)West star

6-The following planet(s) has(have) ring around it(them)

i)Jupiter    ii)Saturn          iii)Uranus        iv)All of the above

7-The sun is ___ million km away from the earth.

i)100         ii)150   iii)200              iv)250

8-The correct ascending order of distance of planets from sun is

i)Mars, Earth, Jupiter, Saturn                   ii)Earth, Mars, Jupiter, Saturn

iii)Earth, Mars, Saturn, Jupiter     iv)Earth, Jupiter, Mars, Saturn

9-The following planet is considered as ‘Earth’s-twin’

i)mars       II)Mercury       iii)Venus                     iv)Saturn

10-The following planet is nearest to the Sun.

i)Mars       ii)Mercury       iii)Venus          iv)Saturn

Q10. State whether the following statements are true or false

a)The planet nearest to us is Jupiter.

b)All the stars are at the same distance from us.

c)The planets do not emit light of their own.

d)The planet keep changing their position with respect to stars.

e)The planet venus appears in the eastern sky before sun rise.

f)The planet in which the earth revolves around the sun is called equatorial planet of   earth.

Q11.Circle the odd one out

a)Mercury,venus,satrun,Earth      b)Jupiter,Earth,Uranus,Moon

c) Jupiter, Satrun, mars, Neptune             d)Demos,phobous,neptune,Ganymede

e) Jupiter,Earth,Uranus,pluto

Q12.Fill in the blanks with correct answer

a)...................... has one moon

b)..........................was the first man to land on moon.

c)The .................... is at the centre of solar system.

d)......................... takes 12 year to orbit around the sun.

Q13, Math the constellation according to season in northern hemisphere

i)Summer                     a)Orion

ii) Winter                     b) Scorpio

iii) spring                     c)Andromeda

iv)Autumn                   d)Leo

Q14.Answer the following questions

a) Which celestial body dominate the day sky?

b) Which celestial body dominate the night  sky?

c) What is apparent movement of sun?

d) Why pole star  remain fixed in the northern hemisphere?

e)Write five uses of solar energy.

f) What is revolution of earth and what are the effects of revolution?

Q15.Complete the following table(This question is optional)

	Gaseous /Rocky	No of Moon	Rotation Period	Revolution	Distance from sun	Ring planet Yes/NO	Diametre
Mercury
Venus
Earth
Mars
Jupiter
strun
Urnus
Neptune