WorksheetsCheck Your Knowledge - Universe and Solar System
Total questions: 10
Worksheet time: 4mins
The age of the observable Universe is about ________________.
13.8 billion years
4.6 billion years
20 billion years
5 billion years
The Earth is about 4.6 billion years.
TRUE
FALSE
The Solar System can be found in the ______________________ of the Milky Way Galaxy.
Orion arm
Sagittarius arm
Norma arm
Perseus arm
A nebula is:
a powerful and luminous stellar explosion.
a newborn star
clouds of gas and dust that occur in interstellar space.
an expansion of stars
Which of the following DOES NOT belong to the group?
Mars
Mercury
Earth
Saturn
The most abundant elements in the Universe are:
Hydrogen and Helium
Carbon and Oxygen
Hydrogen and Oxygen
Carbon and Hydrogen
Heavier elements are formed from stars through the process of:
accretion
nuclear fusion
sweeping
differentiation
In the Nebular hypothesis, planetesimals form through the process of:
sweeping
differentiation
nuclear fusion
nuclear fission
It is a process where massive objects are attracting more matter by gravity.
Accretion
Sweeping
Differentiation
Nuclear fusion
A process where an object develops into compositionally distinct layers; the denser materials of a planet sink to the center, while less dense materials rise to the surface.
Differentiation
Sweeping
Accretion
Nuclear fusion
