Exercise 3

SECTION A



1.  Which of the following is the centre of the Solar System ?

A. Sun

B. Pluto

C. Earth

D. Moon 


2.  Which of the following is not a planet ?

A. Earth

B. Jupiter

C. Comet

D. Mercury 


3.  Which of the following are the constituents of the Solar System?

I. Natural satellites

II. Asteroid

III. Meteors

IV. Moon

A. I and II only

B. II and IV only

C. I,II, and IV only

D. I,II,III and IV 



4.  Diagram1 shows an object that can be seen in the night sky.



Name the object.

A. Mars

B. Moon

C. Comet

D. Meteor 



5.  The following information is about a constituents of the Solar System.

· Made up of stones and metals

· Also known as a small planet

What are the objects mentioned above ?

A. Comets

B. Meteors

C. Asteroid

D. Natural satellites 


6.  Which of the following statements about comets is true ?

A. Comets are planet.

B. Comets do not move around the Sun.

C. Comets have their own natural satellites.

D. Comets have their own orbits when they move around the Sun.

 

7.  Objects X can be found in various shapes and sizes. They form smaller rocks when they collide       with each other. They can be found between the orbits of Mars and Jupiter. What is object X ?

A. Comets

B. Meteors

C. Asteroids

D. Natural satellite 


8.  Objects P can be found between the orbits of Mars and Jupiter. Predict objects P.

A. Stars

B. Comets

C. Asteroid

D. Natural satellites
 

9.  Which of the following is the Earth’s natural satellite?

A. The Moon

B. The Sun

C. Mars

D. Pluto 

Diagram 2 shows a planet. 













10.  State the name of the planet shown.

A. Saturn

B. Jupiter

C. Venus

D. Earth 




SECTION B


The figure shows the Solar System.







The Earth is the third closet planet from the Sun.

a) If the Earth was nearer to the Sun, how would this affect its temperature?

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b) How would this affect the living things ?

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c) If the Earth was further away from the Sun , how would this affect its temperature?

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d) How would this affect the living things?

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e) What can you conclude about the placement of the Earth ? ___________________________________________________________________________________________________________________________________________________________________________________________________




1 comment:

Su Yuan said...

Thank you teacher.