Celestial bodies in space. Science State Board, Class 9: lessons, tests, tasks.

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1.	Members of solar system
2.	Comets
3.	Meteoroids
4.	Satellites
5.	Orbital velocity
6.	Calculations of orbital velocity
7.	Kepler laws
8.	International Space Station
9.	Benefits of ISS
10.	Summary

1.	Minor celestial bodies Difficulty: easy	2
2.	Satellites and celestial objects Difficulty: easy	2
3.	Asteroids Difficulty: easy	2
4.	Organisations of countries Difficulty: easy	2
5.	Technology in ISS Difficulty: easy	2
6.	Applications of technology Difficulty: easy	2
7.	Planetary laws Difficulty: easy	3
8.	Size of celestial objects Difficulty: easy	3
9.	Space organisations Difficulty: medium	4
10.	Astronomical formula Difficulty: medium	5
11.	Celestial bodies Difficulty: medium	4
12.	Man-made satellites Difficulty: medium	5
13.	Satellites in space Difficulty: medium	4
14.	Space station Difficulty: medium	4
15.	Velocity of a satellite Difficulty: medium	3
16.	Orbital period Difficulty: medium	3
17.	Speed of a satellite Difficulty: hard	8
18.	Meteors Difficulty: hard	4
19.	Shooting stars Difficulty: hard	8

1.	Training test 1 Difficulty: easy	8
2.	Training test 2 Difficulty: medium	9
3.	Training test 3 Difficulty: medium	10

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Methodical recommendation

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