Solar System

Front

What are the inner planets of the Solar System?

Back

The inner planets are Mercury, Venus, Earth, and Mars. They are small and rocky.

Front

What are the outer planets of the Solar System?

Back

The outer planets are Jupiter, Saturn, Uranus, and Neptune. They are larger and mostly made of gas.

Front

How do the number of moons differ between inner and outer planets?

Back

Inner planets have few or no moons, while outer planets have many moons.

Front

What is the main difference in composition between inner and outer planets?

Back

Inner planets are composed mostly of rock and metal, while outer planets are composed mostly of gases.

Front

Which planet is closest in size to Earth?

Back

Venus is closest in size to Earth.

Front

What is a comet?

Back

A comet is a small celestial body made of ice, dust, and rocky material that, when close to the Sun, displays a visible atmosphere or coma and sometimes a tail.

Front

What is an asteroid?

Back

An asteroid is a small rocky body that orbits the Sun, primarily found in the asteroid belt between Mars and Jupiter.

Tags

NGSS.MS-ESS1-3

Front

What is the role of the Sun in the Solar System?

Back

The Sun is the central star of the Solar System, providing light and heat that supports life on Earth.

Tags

NGSS.MS-ESS2-4

Front

What is a planet?

Back

A planet is a celestial body that orbits a star, is spherical in shape, and has cleared its orbit of other debris.

Tags

NGSS.MS-ESS1-3

Front

What is the difference between a star and a planet?

Back

A star generates its own light and heat through nuclear fusion, while a planet does not produce its own light and reflects the light of a star.