Solar System Test Review 24-25

Front

What is the region of the solar system that is just beyond the orbit of Neptune and contains small bodies made of ice and dwarf planets?

Back

Kuiper Belt

Front

What is a rocky object in space that measures 50 miles across, rotates once every 18 hours, and is three times farther from the Sun than Earth?

Back

An asteroid

Front

What force keeps the planets in orbit around the Sun?

Back

Gravity from the Sun

Front

What is a potential reason a planet further from the Sun than Earth might be unsuitable for life?

Back

Too cold

Front

What are the four outer planets of the solar system that have atmospheres mainly composed of hydrogen and helium called?

Back

Gas giants

Front

What is the main difference between terrestrial planets and gas giants?

Back

Terrestrial planets are rocky and solid, while gas giants are mostly gaseous with no solid surface.

Front

Name the four terrestrial planets in our solar system.

Back

Mercury, Venus, Earth, Mars

Front

What is the largest planet in our solar system?

Back

Jupiter

Front

What is the significance of the asteroid belt in the solar system?

Back

It separates the terrestrial planets from the gas giants and contains many rocky bodies.

Front

What is the primary component of the Sun's mass?

Back

Hydrogen