Celestial bodies in space — methodical recommendation. Science State Board, Class 9.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Methodical recommendation:

Theory

Number	Name	Description
1.	Members of solar system	In this theory, we will explain briefly about asteroids and asteroid belt.
2.	Comets	In this theory, we will study and know about the comets and superstitions around it; along with an interesting periodical comet called Halley's comet.
3.	Meteoroids	In this theory, we will study and understand the formation of Meteors and Meteorites.
4.	Satellites	In this theory, we will know about satellites and study its types with examples.
5.	Orbital velocity	In this theory, we will know about the term Orbital velocity and Geostationary in detail.
6.	Calculations of orbital velocity	In this theory, we will learn the formula for orbital velocity and its time period with the help of examples.
7.	Kepler laws	In this theory, we will study about Kepler's three laws of planetary motion with a diagram.
8.	International Space Station	In this theory, we will lean about International Space Station and its international colaborations in detail.
9.	Benefits of ISS	In this theory, we will lean the various ways through which International Space Station is beneficial to people.
10.	Summary	A summary to brief through all the concepts learned about celestial bodies in the previous theories.

Practice Questions

Number	Name	Type	Difficulty	Marks	Description
1.	Minor celestial bodies	Other	easy	2 m.	To know about the other minor celestial objects in the solar system.
2.	Satellites and celestial objects	Other	easy	2 m.	To remember and apply the concepts learned about the artificial satellites around the Earth and also about some heavenly bodies.
3.	Asteroids	Other	easy	2 m.	To familiarize with the definitions of asteroids and comets.
4.	Organisations of countries	Other	easy	2 m.	To know about the major countries in space organisations.
5.	Technology in ISS	Other	easy	2 m.	To practice on the various uses of the International Space Station.
6.	Applications of technology	Other	easy	2 m.	To familiarize with the various technology used in the space station.
7.	Planetary laws	Other	easy	3 m.	To analyse the knowledge about the Kepler's planetary laws.
8.	Size of celestial objects	Other	easy	3 m.	To arrange the celestial objects based on their sizes.
9.	Space organisations	Other	medium	4 m.	To know about the various space organisations and the celestial bodies in the Universe.
10.	Astronomical formula	Other	medium	5 m.	To practice on the various formulas used in Astronomy.
11.	Celestial bodies	Other	medium	4 m.	To get familiarize and practice the concepts learned about comets and asteroids.
12.	Man-made satellites	Other	medium	5 m.	To know about the small celestial bodies like asteroids, comets, and satellites.
13.	Satellites in space	Other	medium	4 m.	To know about the Indian satellites - its examples and practical applications.
14.	Space station	Other	medium	4 m.	To familiarize and practice on the details of space station and celestial bodies.
15.	Velocity of a satellite	Other	medium	3 m.	To workout the problem based on the orbital velocity of a satellite.
16.	Orbital period	Other	medium	3 m.	To workout and solve the problems on orbital period of the satellite in appropriate units.
17.	Speed of a satellite	Other	hard	8 m.	To workout the problem based on the orbital velocity and speed of a satellite at an altitude.
18.	Meteors	Other	hard	4 m.	To practice on the topics of meteoroids, comets, and meteors.
19.	Shooting stars	Other	hard	8 m.	To read and analyse the given statements based on the meteoroids, meteors, and meteorites.

Questions for Teacher Use

Number	Name	Type	Difficulty	Marks	Description
1.	Meteorites	Other	hard	7 m.	To analyse and arrange the steps for the formation of meteorites.
2.	Artificial satellites	Other	hard	6 m.	To reason out the questions based on the meteor formation, largest meteorite, and meteoroid.
3.	Album of satellites	Other	hard	8 m.	A creative activity to make an album using the pictures of artificial satellites from the newspapers or articles.
4.	Collage on celestial objects	Other	hard	10 m.	To make a collage of the pictures of celestial objects and to write about the respective planets in detail.

Tests

Number	Name	Recomended time:	Difficulty	Marks	Description
1.	Training test 1	00:15:00	easy	8 m.	To get trained on the basic concepts of the minor celestial bodies revolving around the Sun in the solar system.
2.	Training test 2	00:15:00	medium	9 m.	To train on the names and applications of artificial satellites and ISS.
3.	Training test 3	00:15:00	medium	10 m.	To practice on the various benefits for people from the technology used in the space station.

Periodic assessments

Number	Name	Recomended time:	Difficulty	Marks	Description
1.	Homework 1	00:20:00	medium	15 m.	To practice on the concept learned about the minor celestial bodies and to workout a problem on orbital period.
2.	Homework 2	00:20:00	medium	8 m.	An interesting activity to make a collage using the different pictures of minor celestial objects in the galaxy.
3.	Homework 3	00:20:00	medium	10 m.	To get trained on the names of space organisations and their satellites.
4.	Progress test 1	00:20:00	hard	15 m.	To check the progress on learning the concept about the satellites along with the reasoning questions of meteors and meteroids.
5.	Progress test 2	00:30:00	hard	10 m.	A creative activity to make a collage on minor celestial objects in space.
6.	Progress test 3	00:20:00	hard	22 m.	To test the progress on the calculating orbital velocity and the speed of a satellite by solving problems with the units of kilometre and seconds.

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