How many planets are there in our solar system?

How old is our solar system?

The boundary where two plates move away from each other is called a:

The formation of the Hawaiian Islands is attributed to:

The process of one tectonic plate descending beneath another at a convergent plate boundary is called:

The San Andreas Fault in California is an example of which type of plate boundary?

The theory of plate tectonics is supported by evidence from:

The theory of plate tectonics provides an explanation for the occurrence of:

What is the largest planet in our solar system?

What is the main driving force behind plate tectonics?

What is the most important factor that determines the life span of a star?

What is the name given to a binary star system where the two stars are close enough to each other that they orbit around a common center of mass?

What is the name given to a star that has a mass less than 0.08 times that of the sun?

What is the name given to a star that has a mass of 8 times or more than the sun?

What is the name given to a star that has exhausted all of its fuel and has collapsed to a point of infinite density?

What is the name given to a star that is brighter than a main sequence star of the same temperature?

What is the name given to a star that is in the process of forming?

What is the name given to the phenomenon where a star's light is bent by the gravity of a massive object?

What is the name given to the point in a star's life cycle when it is stable and fusing hydrogen into helium in its core?

What is the name given to the process by which a star exhausts its fuel and dies?

What is the name given to the process by which a star fuses heavier and heavier elements until it reaches iron?

What is the name given to the process by which a star's outer layers are ejected into space?

What is the name given to the remnant of a supernova explosion?

What is the name given to the stage in a star's life cycle when it is burning helium instead of hydrogen?

What is the name of the asteroid belt located between Mars and Jupiter?

What is the name of the dwarf planet that was discovered in 2005?

What is the name of the force that holds our solar system together?

What is the name of the largest volcano in our solar system, located on Mars?

What is the name of the process by which a planet's atmosphere is lost to space?

What is the name of the region of the solar system that contains icy objects beyond Neptune's orbit?

What is the process by which new oceanic crust is formed at a divergent plate boundary called?

What is the process by which planets form called?

What is the process by which stars generate energy?

Which layer of the Earth is broken into plates in plate tectonics theory?

Which of the following features is NOT commonly associated with convergent plate boundaries?

Which of the following is not a gas giant planet in our solar system?

Which of the following is not a planet in our solar system?

Which planet has the hottest surface temperature in our solar system?

Which planet has the largest rings in our solar system?

Which planet has the largest volcano in our solar system?

Which planet has the longest day in our solar system?

Which planet has the most moons in our solar system?

Which planet has the shortest year in our solar system?

Which planet is closest in size to Earth?

Which planet is sometimes called the "evening star" or "morning star" because of its brightness?

Which scientist is credited with the development of the theory of plate tectonics?

Which tectonic plate is responsible for the formation of the Himalayan mountain range?

Which type of plate boundary is associated with the formation of mountain ranges?

Which type of plate boundary is associated with the occurrence of earthquakes?

Which type of plate boundary is characterized by the sliding or grinding of two plates past each other?