ESS1.B Flashcard

Front

What is the primary reason for the differences in temperature between the inner and outer planets?

Back

The inner planets are closer to the Sun.

Front

What is the primary component of the Sun?

Back

Hydrogen.

Front

Which of the following is true about the Kuiper Belt?

Back

It contains many icy bodies and dwarf planets.

Front

What is the primary difference between asteroids and comets?

Back

Comets have tails, while asteroids do not.

Front

What is the primary difference between a meteoroid and a meteorite?

Back

A meteoroid is in space, while a meteorite has hit the Earth's surface.

Front

What are the inner planets of the solar system?

Back

Mercury, Venus, Earth, and Mars.

Front

What are the outer planets of the solar system?

Back

Jupiter, Saturn, Uranus, and Neptune.

Front

What is the asteroid belt?

Back

A region of space between the orbits of Mars and Jupiter where many asteroids are found.

Front

What is a dwarf planet?

Back

A celestial body that orbits the Sun and is similar to a planet but does not clear its orbit of other debris.

Front

What is the difference between a planet and a moon?

Back

A planet orbits a star, while a moon orbits a planet.