ESS Final ( Practice Test IV)

Front

What are meteoroids?

Back

Meteoroids are small rocky or metallic bodies in outer space, often considered fragments of asteroids or comets, and are thought to be fragments of the moon or Mars that were ejected during impacts.

Front

Which planet is the smallest in the solar system?

Back

Mercury is the smallest planet in the solar system.

Front

What is a meteorite?

Back

A meteorite is a meteoroid that survives its passage through the Earth's atmosphere and lands on the Earth's surface.

Front

Why is Venus referred to as 'Earth's twin'?

Back

Venus is referred to as 'Earth's twin' because of its similar size, composition, and proximity to Earth.

Front

What is a dwarf planet?

Back

A dwarf planet is a celestial body that orbits the Sun and is similar to a planet but does not clear its orbital path of other debris. Pluto is an example of a dwarf planet.

Front

What is the difference between a meteoroid, meteor, and meteorite?

Back

A meteoroid is a small rocky or metallic body in space, a meteor is the flash of light produced when a meteoroid enters the Earth's atmosphere, and a meteorite is a meteoroid that reaches the Earth's surface.

Front

What is the significance of asteroids in the solar system?

Back

Asteroids are remnants from the early solar system and can provide insights into the formation of planets and the history of our solar system.

Front

What are the main components of the solar system?

Back

The main components of the solar system include the Sun, eight planets, their moons, dwarf planets, asteroids, comets, and meteoroids.

Front

What is the largest planet in the solar system?

Back

Jupiter is the largest planet in the solar system.

Front

What is the role of gravity in the solar system?

Back

Gravity is the force that keeps planets in orbit around the Sun and governs the motion of celestial bodies.