Chapter 12 Beyond Earth Worksheet

Worksheet: Beyond Earth

Multiple Choice Questions (MCQs)

Q1: What is the main function of stars in ancient navigation?
(a) They provide heat.
(b) They help travelers find their way.
(c) They create light pollution.
(d) They are used for decoration.

Q2: Which constellation is known as “The Hunter”?
(a) Canis Major
(b) Orion
(c) Taurus
(d) Ursa Major

Q3: What do you call the star that remains in the same position in the night sky?
(a) Sirius
(b) Polaris
(c) Betelgeuse
(d) Vega

Q4: How many official constellations are recognized by the International Astronomical Union (IAU)?
(a) 88
(b) 100
(c) 72
(d) 50

Q5: What is the closest star to Earth after the Sun?
(a) Alpha Centauri
(b) Proxima Centauri
(c) Sirius
(d) Betelgeuse

Fill in the Blanks

Q1: The imaginary lines that connect stars to form patterns are called __________.

Q2: The __________ is the star at the center of our Solar System.

Q3: __________ pollution makes it difficult to see stars in big cities.

Q4: The __________ is known as the Red Planet.

Q5: The __________ takes about 27 days to orbit around the Earth.

True or False

Q1: Stars do not emit their own light.

Q2: The Big Dipper is part of the constellation Ursa Major.

Q3: The Milky Way Galaxy contains only our Solar System.

Q4: Asteroids are mostly found between the orbits of Earth and Mars.

Q5: The Sun is the closest star to Earth.

Match the Following