Earth and Space Science 9-weeks test

A(n) ____ is a natural object that orbits a planet.

• asteroid

• moon

• comet

• dwarf planet

• planetesimal

The Earth is divided into two halves called ___.

• hemispheres

• equators

• lithospheres

• poles

• cryospheres

The Jovian planets are ___.

• gaseous planets, including Mercury, Venus, Earth, and Mars

• the inner planets planets, including Mercury, Venus, Earth, and Mars

• gaseous planets, like Jupiter, Saturn, Uranus, and Neptune

• the inner planets, including Jupiter, Saturn, Uranus, and Neptune

The terrestrial planets are ___.

• gaseous planets, including Mercury, Venus, Earth, and Mars

• the inner planets planets, including Mercury, Venus, Earth, and Mars

• gaseous planets, like Jupiter, Saturn, Uranus, and Neptune

• the inner planets, including Jupiter, Saturn, Uranus, and Neptune

Match the term to the description

• atmosphere

• only the frozen water on Earth

• hydrosphere

• all the water on Earth

• geosphere

• the solid part of Earth

• biosphere

• any place where life exists

• cryosphere

• the gases that surround Earth

A(n) ___ is a small, rocky body that orbits the sun.

• moon

• comet

• meteor

• asteroid

The north star is also called ____.

• Polaris

• Canis major

• Andromeda

• Alpha Centauri

_____ clouds are tall clouds that grow vertically and span all three altitudes and bring violent thunderstorms and heavy rain.

• Cumulus

• Cirrus

• Stratus

• Cumulonimbus

A ___ is a phase of the moon that occurs when the moon cannot be seen because the illumatinated portion of the moon is facing away from Earth.

• full moon

• gibbous moon

• new moon

• quarter moon

A nebula is

• a large cloud of dust and gas in space

• a ball of hot gas, mostly hydrogen and helium, that undergoes nuclear fusion

• an exploding star

• a system of millions and billions of stars held together by gravity

• a system of planets that orbit a single star