Earth and Space Science Unit 1 Test Review

Front

What is the primary process that powers the Sun and allows it to emit energy?

Back

Nuclear fusion

Front

Which element is primarily fused in the Sun’s core during its main sequence phase?

Back

Hydrogen

Front

What form of energy from the Sun reaches Earth and supports life?

Back

Radiation

Front

What is the expected final stage of the Sun’s life cycle?

Back

White dwarf

Front

Which process in stars is responsible for the creation of elements heavier than hydrogen?

Back

Nuclear fusion

Front

What is the main element produced when hydrogen nuclei fuse in the Sun’s core?

Back

Helium

Front

What is the life cycle of a star like the Sun?

Back

Nebula → Main Sequence → Red Giant → White Dwarf

Front

What is the main source of elements heavier than iron in the universe?

Back

Supernova explosions

Front

Which law describes the elliptical orbits of planets around the Sun?

Back

Kepler’s First Law

Front

What is the term for a planet outside our solar system?

Back

Exoplanet