Earth Sci S2 Practice Final

Which of these has no particular shape?

• quasar
• irregular galaxy
• spiral galaxy
• elliptical galaxy

Which of these can be nearly spherical to very elongated?

• quasar
• irregular galaxy
• spiral galaxy
• elliptical galaxy

Which of these has a nucleus of bright stars with arms that circle around it?

• quasar
• irregular galaxy
• spiral galaxy
• elliptical galaxy

Which of these is a luminous object producing energy at a high rate?

• quasar
• irregular galaxy
• spiral galaxy
• elliptical galaxy

Earth is

• A planet similar to Earth in size, mass & density
• A planet with massive volcanoes & canyons with seasons similar to Earth's.
• The planet closest to the Sun, has a heavily cratered hot surface.
• The only planet capable of supporting life.

Mercury is

• A planet similar to Earth in size, mass & density
• A planet with massive volcanoes & canyons with seasons similar to Earth's.
• The planet closest to the Sun, has a heavily cratered hot surface.
• The only planet capable of supporting life.

Mars is

• A planet similar to Earth in size, mass & density
• A planet with massive volcanoes & canyons with seasons similar to Earth's.
• The planet closest to the Sun, has a heavily cratered hot surface.
• The only planet capable of supporting life.

Venus is

• A planet similar to Earth in size, mass & density
• A planet with massive volcanoes & canyons with seasons similar to Earth's.
• The planet closest to the Sun, has a heavily cratered hot surface.
• The only planet capable of supporting life.

A planet with a complex ring system made of dust & icy debris.

• Gas giant
• Saturn
• Jupiter
• Uranus

A large planet with a deep & massive gaseous atmosphere; less dense than terrestrial planets

• Gas giant
• Saturn
• Jupiter
• Uranus