All planets in our solar system __________ counterclockwise around the Sun while each also __________ on its own axis.

Which of the following is usually burned up in the Earth’s atmosphere?

Which planet is known for its rings?

Which of the following is typically the largest of the four?

Clouds are buoyant masses of __________.

If a theory withstands many well-designed experiments over time, it may become accepted as a scientific law, a concise statement in words or mathematical equations that describes __________.

A(n) __________ is the blocking of the light of one celestial body by another.

The best-known feature of the Moon’s surface are the craters, which are believed to have been formed by __________.

The high temperatures on Venus are caused by

From Earth, we see only one side of the Moon because the Moon’s movement about Earth is __________, meaning its period of rotation is the same as its period of revolution.