Unit Test: Beyond Earth | Science for Class 6 PDF Download

Attempt all questions.
Time: 1 hour 
M.M. 30

• Question numbers 1 to 7 carry 1 mark each.
• Question numbers 8 to 12 carry 2 marks each.
• Question numbers 13 to 15 carry 3 marks each.
• Question number 16 carries 4 marks each.

Q1: What are groups of stars that appear to form patterns like familiar shapes called? (1 Mark)
(i) Galaxies
(ii) Constellations
(iii) Planets
(iv) Satellites

Q2: Which star appears stationary in the North direction and helps in locating the North in the Northern hemisphere? (1 Mark)

Q3: The presence of excessive artificial light at night time is referred to as __________. (1 Mark)

Q4: Which is the closest star to Earth and the main source of energy for our planet? (1 Mark)
(i) Sirius
(ii) Sun
(iii) Proxima Centauri
(iv) Betelgeuse

Q5: How many planets are there in our Solar System, in order of increasing distance from the Sun? (1 Mark)

Q6: Objects that revolve around planets and are smaller in size than planets are called __________. (1 Mark)

Q7: What is the faint band of light visible across the moonless night sky from dark locations? (1 Mark)
(i) A comet
(ii) The Milky Way Galaxy
(iii) An asteroid belt
(iv) A constellation

Q8: Why was Pluto reclassified as a dwarf planet? (2 Marks)

Q9: Why is the night sky better viewed from open dark areas away from cities? (2 Marks)

Q10: Distinguish between the inner and outer planets of the Solar System. (2 Marks)

Q11: What causes the craters on the Moon's surface? (2 Marks)

Q12: Describe how comets form their tails. (2 Marks)

Q13: What are the Big Dipper and the Little Dipper, and how is the Pole Star important for navigation? Also, mention their Indian names. (3 Marks)

Q14: What are constellations, how were they used in the past, and how can we identify some of them in the night sky today? (3 Marks)

Q15: Describe India’s Chandrayaan missions to the Moon and their significance. (3 Marks)

Q16: Describe the structure of our Solar System, including key components and their characteristics. (4 Marks)

You can access the solutions of this Unit Test here.