Earth Science Final 2

The moon turns on its axis every 24 hours.

Mercury was named after the Roman ________ god.

A _______ occurs when a planet travels directly between the sun and Earth.

Saturn's rings are very thick.

An object with a mass of 60 kilograms on Earth would have a mass of ____ kilograms on the moon.

Jupiter is the _______ planet.

It takes Jupiter about ____ Earth years to orbit the sun.

What would happen if the air around us was more than 25% oxygen?

Which of the following shows the phases of the moon in the proper order? (Not all phases are listed)

Mars was named after the Roman god of _________.

Mercury's orbit takes about 88 earth days.

The oxygen molecules we breathe have 2 atoms of oxygen. Ozone molecules have ____ atoms of oxygen.

All astronomers agree that Pluto should be classified as a planet.

Mercury's diameter is about _______ miles.

An object with a weight of 60 pounds on Earth would have a weight of ____ pounds on the moon.

The gravity of the moon is about ____ the gravity of Earth.

Mercury has ____ moon(s).

The ozone layer _________.

Most of Venus' atmosphere consists of nitrogen.

Neptune is named for the Roman god of __________.

Mercury is one of the easiest planets to see with the naked eye.

Venus was named for the Roman god of _________.

Superior planets are planets that _________.

Saturn was named for the Roman god of __________.

About ____% of the air around us is nitrogen.

The troposphere is where weather occurs.