Our Solar System

Front

What is the main reason Mercury has a shorter year than Jupiter?

Back

Mercury orbits closer to the sun.

Front

What season occurs in the Northern Hemisphere when the Earth is in Position 3?

Back

Summer.

Front

What is a comet?

Back

A ball of ice and dust with a tail of gas and dust pointing away from the sun.

Front

Which planet has the smallest pull of gravity?

Back

Mercury.

Front

What is one of the main differences between the outer and inner planets?

Back

The outer planets are gas planets.

Front

Define the term 'inner planets'.

Back

The inner planets are the four planets closest to the sun: Mercury, Venus, Earth, and Mars, which are rocky and smaller.

Front

Define the term 'outer planets'.

Back

The outer planets are the four planets farthest from the sun: Jupiter, Saturn, Uranus, and Neptune, which are gas giants.

Front

What is the significance of a planet's distance from the sun?

Back

A planet's distance from the sun affects its orbital period and temperature.

Front

What is an asteroid?

Back

A small rocky body that orbits the sun, primarily found in the asteroid belt between Mars and Jupiter.

Front

What is the difference between a meteor and a meteorite?

Back

A meteor is a small particle from space that burns up upon entering Earth's atmosphere, while a meteorite is a meteor that survives its passage through the atmosphere and lands on Earth.