Exercises
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1. The document contains a worksheet with objective questions and answers about the solar system. It asks about the order of planets from the sun, characteristics of planets, how temperature is affected by distance from the sun, and more. 2. An enrichment section contains additional questions about graphs of planetary distances, identifying planets, determining suitability for life, and reasons for temperature extremes. 3. The key is provided with answers to all the objective questions and enrichment questions.
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Exercises
- 1. Worksheet Objective Questions 1. The diagram below shows the Earth, planet R and S arranged in the correct order. SUN EARTH R S What are planet R and S ? R S A. Mars Jupiter B. Venus Jupiter C. Saturn Venus D. Jupiter Mars 2. The planets below are some of the planets in the Solar System. Which of the following is the correct sequence of the planets from the furthest to the nearest to the Sun ? A. Pluto Saturn Mars Venus
- 2. B. Pluto Mar Saturn Venus C. Venus Mars Saturn Pluto D. Venus Saturn Mars Pluto 3. What happens when the distance of a planet of a planet from the Sun increases ? A. The planet becomes hotter. B. The planet becomes colder. C. The planet shrinks. D. The planet expands 4. What is the motion of the planets in the Solar system ? A. All the planets move around the Sun. B. Only the large planets move around the Sun. C. The planets and Sun move around the Earth. D. The earth and planets move around the planet mercury. 5. Which of the following shows correctly the planets in order of their distance from the Sun , starting with the nearest and ending with the furthest . A. Venus, Mercury, Mars ,Earth, Saturn, Jupiter , Neptune, Uranus , Pluto B. Mercury, Venus, Earth, Mars , Jupiter , Saturn, Uranus , Neptune, Pluto C. Mars, Mercury, Venus, Earth, Jupiter , Saturn, Uranus , Neptune, Pluto D. Mercury, Mars, Venus, Earth, Saturn, Jupiter , , Neptune, Pluto , Uranus 6. Which of these planets are nearer to the Sun than Mars ? I . Jupiter II . Venus III. Earth IV. Neptune A.I and II only B.II and III only C.I,II and III only D.II,III and IV only 7. Which of the these statement are true ? I. The planets which are nearer to the Sun are very hot.
- 3. II. The planets which are further away from the sun are very cold. III. The Earth is the only planet which is not too hot or too cold. A.I and II only B.I and III only C.II and III only D.I,II and III 8. What are the characteristics of the Earth that enables it to support life ? I Has a suitable temperature II Has Moon III Has water IV Has air A. I and II only B. II and IV only C. I,II and III only D. I,III and IV only 9. What will happen to the Earth if its orbit suddenly changes and moves the Earth nearer to the Sun ? I The Earths temperature will fall. II There will be weather changes everywhere. III The polar caps will start to melt. IV The levels of the oceans will rise. A. I and III only B. II and IV only C. I,II and III only
- 4. D. I,II,III and IV 10. Why is the planet Mercury unsuitable for living things ? A. It is too far from the Earth. B. It is too small to support life. C. It does not receive the Suns energy. D. Its surface temperature is too hot. 11. Why is the planet Pluto unsuitable for life ? A. It is too far away from the Sun to receive its energy. B. It has a moon almost the same size as itself. C. It has an orbit different from the other planets D. It rotates about its own axis. 12. What will happen to the Earth if it is placed further from the Sun ? A. Receives more sunlight. B. Water on it will be frozen. C. More living things will reproduce. D. Water on it will dry up. 13. Which of the following is the biggest planet in the Solar System ? A. Pluto B. Earth C. Jupiter D. Mercury 14. The smallest planet in the Solar Syetem is A. Pluto B. Venus C. Uranus D. Mercury
- 5. 15. The planet further from the Sun in the Solar System is A. Mars B. Pluto C. Saturn D. Mercury _____________________________________________________________________________ _
- 6. Enrichment Worksheet 1. The bar graph below shows the distance of planets X,Mars,Y Saturn and Z. a) What is the trend of the distance of planets X,Mars,Y,Saturn and Z? ____________________________________________________________ b) Name planets X, Y and Z. i. X : _______________ ii. Y : _______________ iii. Z : _______________
- 7. c) Which of the above planets is the nearest and furthest to the Sun ? ___________________________________________________________ 2. a) Name the following planets i) W : _______________________ ii) X : _______________________ iii) Y : _______________________ iv) Z : _________________________
- 8. b) Which of the planets W , X , Y and Z is suitable for humans ? ________________________________________________________________ c) State the reason why the planet mentioned in question b is suitable for humans ? _______________________________________________________________ d) Which of the planet below is too hot for living things to live in ? Why ? _________________________________________________________________ e) Which of the planet below is too hot ? Why ? _______________________________________________________________ f) Which of the planet below is too cold ? Why ? _______________________________________________________________
- 9. Answer Objective 1.A 2.A 3.B 4.A 5.B 6.B 7.D 8.D 9.D 10. D 11.A 12.B 13.C 14.A 15.B Enrichment work 1. a) increases b) i) Earth ii) Jupiter iii) Uranus c) X is the nearest and Z is the furthest. 2. a) i) Mercury ii) Venus iii) Earth iv) Neptune b) Planet Y c) It has air for humans to breathe. d) Planet W and X, because the planet is too near the Sun. e) Planet Z,because the planet is too far from the Sun.