The period of Earth's rotation is equivalent to __________.

Earth turns on its axis from __________.

The Earth's revolution is completed every __________ days.

Which of the planets take longest time to complete its revolution?

Leap year happens every _____ years.

How does earth sustain life? I - it revolves around the sun II - it has water and air III - it has enough temperature IV - it has only one moon

Why is Venus the hottest planet?

Which planet in the solar system has no moon?

What causes day and night?

During leap year, how many days are there in February?

Jupiter has a huge storm in its atmosphere called the great __________.

The word planet comes from the Greek word __________.

On March 21, __________ occurs wherein the length of day and night are equal.

The four inner planets are also called __________.

Jupiter has a total of 67 moons, including __________, the largest moon in the solar system.

The planet Mercury is also called the "red planet".

Uranus is the only planet that rotates on its side.

The rotation of the Earth causes the four season to occur.

A leap year occurs every four years.

Spring equinox occurs on September 23.