Solar System Explorer Review

Front

What keeps the planets in their orbits around the Sun?

Back

The Sun's gravitational pull.

Front

What is the effect of the Sun's gravity on the planets in our solar system?

Back

It keeps the planets in their orbits.

Front

How long does it take for the Earth to complete one rotation?

Back

24 hours.

Front

Which planets take less time to orbit the Sun: those closer or farther from it?

Back

Planets that are closer to the Sun take less time to orbit.

Front

Which planet would have a longer year: a planet farther from the Sun or one closer?

Back

A planet farther from the Sun would have a longer year.

Front

What is the relationship between a planet's distance from the Sun and its orbital period?

Back

The farther a planet is from the Sun, the longer its orbital period.

Front

What is the primary reason Earth and other planets orbit the Sun?

Back

The Sun's mass creates a gravitational pull that keeps the planets in orbit.

Front

What is the term for the movement of a planet around the Sun?

Back

Revolution.

Front

What is the term for the spinning of a planet on its axis?

Back

Rotation.

Front

How long does it take for Earth to complete one revolution around the Sun?

Back

365 days.