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▶ 2: Universe and Space
3: Polymer Chemistry
4: Chemistry in Daily Life
5: Animals in Daily Life
6: Visual Communication
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Solutions for Chapter 2: Universe and Space
Below listed, you can find solutions for Chapter 2 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Science - Term 3 [English] Class 7 TN Board.
Samacheer Kalvi solutions for Science - Term 3 [English] Class 7 TN Board 2 Universe and Space Evaluation [Pages 40 - 41]
Choose the correct answers
The moon takes ______ days to complete one revolution around the Earth
25
26
27
28
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
Telescope was invented by______.
Han Lippershey
Galilio
Nicolus Coppernicus
Ptolomy
The galaxy containing young and hot stars is______.
elliptical galaxy
irregular galaxy
cluster
spiral galaxy
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.
Waxing of moon means______.
Heliocentric model is proposed by ______.
______ is the prevailing model of Evolution of the Universe.
______ is a large constellation which covers a large part of the sky.
______ is the first satellite launched by India.
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
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
True or False – If False give the correct answer
Galilio accepted the Geo-centric model.
True
False
True or False – If False give the correct answer
Our Milky Way galaxy is identified as an elliptical galaxy
True
False
True or False – If False give the correct answer
The planet Venus in our solar system doesn’t have a moon.
True
False
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
Older stars: elliptical galaxies:: younger stars: ______.
Nearest galaxy: Andromeda:: Nearest star: ______
Very short answer
The word______ refers to the phases where the moon is less than half illuminated
cresent
gibbous
______ and ______ planets never appear in the mid-night sky.
Number of days taken by the Mars to orbit around the Sun.
In which phase does the size of the planet Venus is small?
The only evidence of the big bang theory is?
The galaxy which contains abundant amount of gas and dust is ______.
Which country launched the world’s fi rst artifi cial launch vehicle?
Short Answer Questions
What is epicyclic model?
Name the four different types of galaxies.
What is constellation?
Give the expansions of PSLV and GSLV
Answer in Detail
Explain the waxing and waning phases in Venus
Write short notes on constellations.
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.
Solutions for 2: Universe and Space
Samacheer Kalvi solutions for Science - Term 3 [English] Class 7 TN Board chapter 2 - Universe and Space
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Concepts covered in Science - Term 3 [English] Class 7 TN Board chapter 2 Universe and Space are Other Heavenly Bodies of the Solar System, Sky Watching, Geo Centric Theory, Epicycle Model, Heliocentric Model, The Universe, Galaxy and Its Types, Moon and Its Phases, Stars and Their 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 Samacheer Kalvi Science - Term 3 [English] Class 7 TN Board solutions Universe and Space exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Samacheer Kalvi Solutions are essential questions that can be asked in the final exam. Maximum Tamil Nadu Board of Secondary Education Science - Term 3 [English] Class 7 TN Board students prefer Samacheer Kalvi Textbook Solutions to score more in exams.
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