Science 5

Why does the sun look larger than a blue giant does?

• The sun is an unusually bright yellow star

• Yellow stars like the sun are hotter than a blue giants

• Yellow stars like the sun are bigger than a blue giants

• The sun is much closer to Earth than the nearest blue giant is

Which of this galaxies can be shaped like a sphere or a round ball ?

• Spiral galaxy

• Irregular galaxy

• Elliptical galaxy

• Milky way galaxy

Explain the relation between the Earth and the Milky Way

• Earth orbit the sun within our solar system

• Our solar system located on one of the arms of the milky way

• Earth is part of milky way galaxy

• All of the above

Which of this statement about the outer planets are true ?

• You cannot land on an outer planet like neptune as it core is not solid like that of an inner planet

• The outer planets are referred to as gas giants because they are so dense

• The outer planets tend to have more moons than the inner planets

• You cannot land on an outer planet like saturn because through its core is solid , its surface is not

Why does venus have a higher surface temperature than mercury?

• It’s atmosphere contain 97% carbon dioxide

• Atmosphere produce green house effect

• No atmosphere, doesn’t retain heat

• All of the above

• None of the above

A chunk of frozen gases, rocks , ice and dust

• Planets

• Comet

• Asteroids

• None of the above

A star that is the center of our solar system

• Orbit

• Gas giant

• Sun

• None of the above

The study of objects in space and their properties

• Astrology

• Astronomy

• Astronomer

• None of the above

Huge balls of very hot glowing gases in space that produce their own light and heat

• Planets

• Satellite

• Star

• Galaxy

Don’t have any particular shape , the stars are randomly scattered

• Spiral galaxy

• Barred spiral galaxy

• Irregular galaxy

• Elliptical galaxy