Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 7th

Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Science Term 3 Answers Guide chapter 2 - Universe and Space [Latest edition]

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Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Science Term 3 Answers Guide chapter 2 - Universe and Space - Shaalaa.com
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Chapter 2: Universe and Space

Evaluation
Evaluation [Pages 40 - 41]

Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Science Term 3 Answers Guide Chapter 2 Universe and Space Evaluation [Pages 40 - 41]

Choose the correct answers

Evaluation | Q I. 1. | Page 40

The moon takes ______ days to complete one revolution around the Earth

  • 25

  • 26

  • 27

  • 28

Evaluation | Q I. 2. | Page 40

If the Moon is appeaing in the sky today near the star Karthikai , the position of the Mon after 27 days is near the star

  • Bharani

  • Karthikai

  • Rohini

  • Asvini

Evaluation | Q I. 3. | Page 40

Telescope was invented by______.

  • Han Lippershey

  • Galilio

  • Nicolus Coppernicus

  • Ptolomy

Evaluation | Q I. 4. | Page 40

The galaxy containing young and hot stars is______.

  • elliptical galaxy

  • irregular galaxy

  • cluster

  • spiral galaxy

Evaluation | Q I. 5. | Page 40

With the launch of this satellite, ISRO became capable of launching 4 ton heavy satellites.

  • GSAT- 13

  • GSAT- 14

  • GSAT- 17

  • Way par GSAT- 19 

Fill in the blanks.

Evaluation | Q II. 1. | Page 40

Waxing of moon means______.

Evaluation | Q II. 2. | Page 40

Heliocentric model is proposed by ______.

Evaluation | Q II. 3. | Page 40

______ is the prevailing model of Evolution of the Universe.

Evaluation | Q II. 4. | Page 40

______ is a large constellation which covers a large part of the sky.

Evaluation | Q II. 5. | Page 40

______ is the first satellite launched by India.

Evaluation | Q III. 1. | Page 40

True or False – If False give the correct answer 

On a full moon day, when the Sun is setting in the west, moon rises in the West.

  • True

  • False

Evaluation | Q III. 2. | Page 40

True or False – If False give the correct answer

The word crescent refers to the phases where the moon is less than half illuminated.

  • True

  • False

Evaluation | Q III. 3. | Page 40

True or False – If False give the correct answer

Galilio accepted the Geo-centric model.

  • True

  • False

Evaluation | Q III. 4. | Page 40

True or False – If False give the correct answer

Our Milky Way galaxy is identified as an elliptical galaxy

  • True

  • False

Evaluation | Q III. 5. | Page 40

True or False – If False give the correct answer

The planet Venus in our solar system doesn’t have a moon.

  • True

  • False

Evaluation | Q IV. | Page 40

Match the following

1. Rohini GSLV-Mark III
2. GSAT-14 GSLV Mark III M1
3. GSAT-19 SLV-3
4. Chandrayaan-2 PSLV-XL C25
5. Mangalyaan GSLV-D5

Analogy

Evaluation | Q V. 1. | Page 40

Older stars: elliptical galaxies:: younger stars: ______.

Evaluation | Q V. 2. | Page 40

Nearest galaxy: Andromeda:: Nearest star: ______

Very short answer

Evaluation | Q VI. 1. | Page 40

The word______ refers to the phases where the moon is less than half illuminated

  • cresent

  • gibbous

Evaluation | Q VI. 2. | Page 40

______ and ______ planets never appear in the mid-night sky.

Evaluation | Q VI. 3. | Page 40

Number of days taken by the Mars to orbit around the Sun.

Evaluation | Q VI. 4. | Page 40

In which phase does the size of the planet Venus is small?

Evaluation | Q VI. 5. | Page 40

The only evidence of the big bang theory is?

Evaluation | Q VI. 6. | Page 40

The galaxy which contains abundant amount of gas and dust is ______.

Evaluation | Q VI. 7. | Page 40

Which country launched the world’s fi rst artifi cial launch vehicle?

Short Answer Questions

Evaluation | Q VII. 1. | Page 41

What is epicyclic model?

Evaluation | Q VII. 2. | Page 41

Name the four different types of galaxies.

Evaluation | Q VII. 3. | Page 41

What is constellation?

Evaluation | Q VII. 4. | Page 41

Give the expansions of PSLV and GSLV

Answer in Detail

Evaluation | Q VIII. 1. | Page 41

Explain the waxing and waning phases in Venus

Evaluation | Q VIII. 2. | Page 41

Write short notes on constellations.

Evaluation | Q IX. | Page 41

HOT Question

Neelan and Mala are having a conversation about our Universe. Neelan is telling our earth will be the only planet in the entire Universe to have a life with. But, Mala is opposing his view by citing certain points. What would be the argument of Mala. Do you support Mala? Justify your stand.

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Chapter 2: Universe and Space

Evaluation
Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Science Term 3 Answers Guide chapter 2 - Universe and Space - Shaalaa.com

Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Science Term 3 Answers Guide chapter 2 - Universe and Space

Tamil Nadu Board Samacheer Kalvi solutions for Class 7th Science Term 3 Answers Guide chapter 2 (Universe and Space) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Tamil Nadu Board of Secondary Education Class 7th Science Term 3 Answers Guide solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. Tamil Nadu Board Samacheer Kalvi textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 7th Science Term 3 Answers Guide chapter 2 Universe and Space are Other Bodies of the Solar System, Sky Watching, Geo Centric Theory, Epicycle Model, Heliocentric Model, Universe, Galaxy and Its Types, Constellation, Moon and Its Phases, Stars and Its Types, Indian Space Research Organization (ISRO), India’s Space Programmes: Chandrayaan – 1, India’s Space Programmes: Mangalyaan (Mars vehicle), India’s Space Programmes: Chandrayaan – 2, Telescope, The Missile Man of India: A.P.J. Abdul Kalam (1931-2015), Indian Scientist.

Using Tamil Nadu Board Samacheer Kalvi Class 7th solutions Universe and Space exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Tamil Nadu Board Samacheer Kalvi Solutions are important questions that can be asked in the final exam. Maximum students of Tamil Nadu Board of Secondary Education Class 7th prefer Tamil Nadu Board Samacheer Kalvi Textbook Solutions to score more in exam.

Get the free view of chapter 2 Universe and Space Class 7th extra questions for Class 7th Science Term 3 Answers Guide and can use Shaalaa.com to keep it handy for your exam preparation

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