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WorksheetsStars and Galaxies
Total questions: 10
Worksheet time: 3mins
Which of the following galaxies is the location of a solar system?
Elliptical galaxy
Spiral galaxy
Irregular galaxy
Rounded galaxy
Why is the Sun classified as a star?
The Sun is a ball in orange colour.
The Sun has a large body that can reflect light from the universe.
The Sun can produce its own light and heat.
The Sun is the largest object in our solar system.
What is a supernova?
The formation of red super-giant.
The death of a red giant.
An explosion of a red supergiant.
Very bright light emitting from a red giant star.
What is likely to result after the explosion of immense star?
Neutron star
Red supergiant
White dwarf
Black hole
Which statement about a galaxy is true?
A galaxy is classified according to its colour.
A galaxy consists of giant star.
A galaxy releases harmful radioactive rays.
A galaxy is a vast collection of stars, dust, gases and other celestial bodies.
Which of the following statements is not true?
All energies on the Earth originate from the Sun.
The universe is made of all objects in outer space.
The galaxies are located within the universe.
All objects that exist in the universe are permanent.
What is the correct characteristic of a black hole?
Visible from Earth
Formed from a red giant
Has low gravitational pull
Space that does not allow any mass to escape from it
Which of the following star is the hottest?
Blue-coloured star
White-coloured star
Red-coloured star
Yellow-coloured star
How does the Sun get its heat and light?
From burning hydrogen on its surface.
From thermonuclear reactions in its core.
From compression of hydrogen on its core.
From solar flares and prominences on its surface.
Which type of star gives out pulsing electromagnetic waves?
Red giant
Black dwarf
White dwarf
Neutron star
